CN213727068U - Bauxite grinding system - Google Patents
Bauxite grinding system Download PDFInfo
- Publication number
- CN213727068U CN213727068U CN202021841628.1U CN202021841628U CN213727068U CN 213727068 U CN213727068 U CN 213727068U CN 202021841628 U CN202021841628 U CN 202021841628U CN 213727068 U CN213727068 U CN 213727068U
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- Prior art keywords
- mill
- material separating
- stage material
- tank
- classifier
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- 229910001570 bauxite Inorganic materials 0.000 title claims abstract description 14
- 238000000227 grinding Methods 0.000 title abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 35
- 238000002156 mixing Methods 0.000 claims abstract description 20
- 239000004576 sand Substances 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 238000009826 distribution Methods 0.000 claims description 12
- 238000003801 milling Methods 0.000 claims description 2
- 239000003814 drug Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a bauxite ore grinding system, include: the device comprises a mill, a classifier, a blending tank, a first-stage material separating box and a second-stage material separating box which are connected in sequence through pipelines; the first feeding hole arranged on the mill is connected with the discharging hole arranged on the classifier through a sand return chute, and the discharging hole arranged on the mill is connected with the feeding hole arranged on the classifier through an ore discharge chute; and the second-stage material separating box is connected with the sand return chute through a pipeline. Adopt the utility model discloses can reduce the viscosity of bauxite ore pulp, reduce the mill and pound the mill, improve overflow weir throughput, finally improve the mill productivity.
Description
Technical Field
The utility model belongs to the metallurgical equipment field, concretely relates to bauxite ore grinding system.
Background
The existing bauxite has the characteristics of high water content, high viscosity, high organic matter content, poor settling property and the like, and the bauxite with high viscosity is directly ground by a grinding machine in the process of grinding the bauxite into ore pulp, so that the problems of sticking steel balls, difficulty in passing an overflow weir and the like exist, the flow is difficult to pass, the productivity is low, and the labor intensity of workers is high.
Disclosure of Invention
To the not enough of above-mentioned prior art existence, the utility model provides a can reduce ore grinding system of bauxite ore pulp viscosity.
The utility model discloses a realize through following technical scheme.
A bauxite ore milling system, the system comprising: the device comprises a mill, a classifier, a blending tank, a first-stage material separating box and a second-stage material separating box which are connected in sequence through pipelines; the first feeding hole arranged on the mill is connected with the discharging hole arranged on the classifier through a sand return chute, and the discharging hole arranged on the mill is connected with the feeding hole arranged on the classifier through an ore discharge chute; and the second-stage material separating box is connected with the sand return chute through a pipeline.
Furthermore, control valves are arranged on pipelines connected with the blending tank and the first-stage distributing box, the first-stage distributing box and the second-stage distributing box, and the second-stage distributing box and the sand return chute.
Further, a second feeding hole arranged on the mill is connected with an ore supply device.
Furthermore, a control valve arranged on a pipeline connected with the secondary material distribution box and the sand return chute is a flow control valve.
Furthermore, the blending tank is a cylindrical tank, and the primary material distribution box and the secondary material distribution box are rectangular boxes.
Further, a stirrer is arranged on the blending tank.
The beneficial effects of the utility model are that, adopt the utility model discloses can reduce the viscosity of bauxite ore pulp, ore pulp viscosity is fallen to about 270 centipoises by about 430 centipoises, reduces the mill and pounces and grinds, improves overflow weir throughput, finally improves the mill productivity and improves to about 90t/h by 60t/h, promotes about 50%.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a bauxite ore grinding system includes: the device comprises a grinder 1, a classifier 2, a blending tank 3, a primary material separating box 4 and a secondary material separating box 5;
a first feed port arranged on the upper part of the side wall of the mill 1 is connected with a discharge port arranged on the upper part of the side wall of the classifier 2 through a sand return launder 6, a discharge port arranged on the lower part of the side wall of the mill is connected with a feed port arranged on the lower part of the side wall of the classifier 2 through an ore discharge launder 7, specifically, the upper end of the sand return launder 6 is connected with a discharge port arranged on the upper part of the side wall of the classifier, the lower end of the sand return launder 6 is connected with a first feed port arranged on the upper part of the side wall of the mill 1, the upper end of the ore discharge launder 7 is connected with a discharge port arranged on the lower part of the side wall of the mill, the lower end of the ore discharge launder 7 is connected with a feed port arranged on the lower part of the side wall of the classifier, and the ore discharge launder 7 and the sand return launder 6 have the same structure; a second feeding hole arranged at the top of the mill 1 is connected with an ore supply device 8;
the blending tank 3 is a cylindrical tank, and the primary material separating tank 4 and the secondary material separating tank 5 are rectangular tank bodies; the upper end of the blending tank 3 is provided with a feed inlet and a water inlet, the feed inlet is used for introducing a medicament, the blending tank 3 is provided with a stirrer, the stirrer comprises a stirring rod and a power device connected with the stirring rod, the stirring rod is arranged in the blending tank, and the power device (which can be a motor) is arranged outside the blending tank; a discharge port formed in the side wall of the blending tank 3 is connected with a feed port formed in the side wall of one side of the first-stage material separating box 4 through a pipeline, a discharge port formed in the side wall of the other side of the first-stage material separating box 4 is connected with a feed port formed in the side wall of one side of the second-stage material separating box 5 through a pipeline, and a discharge port formed in the side wall of the other side of the second-stage material separating box 5 is connected with the upper end of the sand return chute 6 through a pipeline;
control valves are arranged on pipelines connected with the blending tank and the first-stage material separating box, the first-stage material separating box and the second-stage material separating box, and the second-stage material separating box and the sand return chute; wherein, the control valve arranged on the pipeline connecting the secondary material separating box and the sand return launder is a flow control valve 9.
The preparation tank 3 is used for preparing medicament, for example, 5% viscosity reducer, and the flow control valve 9 is used for controlling the adding flow of the viscosity reducer and measuring the flow rate.
The specific production process operation is as follows:
step (1): the blending tank 3 is in a standby state;
step (2): closing a control valve connected between the blending tank 3 and the first material distribution box 4, opening a stirrer on the blending tank, injecting clear water and adding a medicament;
and (3): opening a control valve connected between the blending tank 3 and the first material distribution box 4 and a control valve connected between the first material distribution box 4 and the second material distribution box 5, and enabling the medicament to sequentially enter the first-stage material distribution box 4 and the second-stage material distribution box 5;
and (4): opening the flow control valve 9, and after the flow rate is measured, enabling the medicament to enter the sand return flow groove 6;
and (5): the agent enters the mill 1 through the sand return flow groove 6 and is mixed with bauxite in the mill 1 for grinding;
and (6): ground ore pulp enters the grader 2 through an ore discharge chute 7 for grading, and finally, a pulp groove 10 for storing qualified ore pulp is discharged through a discharge port arranged at the bottom of the grader 2.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention. It should be noted that other modifications and equivalents may be made by those skilled in the art in light of the teachings of the present disclosure to achieve the same purpose, and should be construed as within the scope of the present disclosure.
Claims (6)
1. A bauxite ore milling system, the system comprising: the device comprises a mill, a classifier, a blending tank, a first-stage material separating box and a second-stage material separating box which are connected in sequence through pipelines; the first feeding hole arranged on the mill is connected with the discharging hole arranged on the classifier through a sand return chute, and the discharging hole arranged on the mill is connected with the feeding hole arranged on the classifier through an ore discharge chute; and the second-stage material separating box is connected with the sand return chute through a pipeline.
2. The system of claim 1, wherein the pipelines connecting the blending tank and the first-stage material separating tank, the first-stage material separating tank and the second-stage material separating tank, and the second-stage material separating tank and the sand return launder are provided with control valves.
3. The system of any one of claims 1 to 2, wherein the mill is provided with a second feed inlet connected to the ore feed means.
4. The system of claim 2, wherein the control valve arranged on the pipeline connecting the secondary distribution box and the sand return launder is a flow control valve.
5. The system of any one of claims 1-2, wherein the blending tank is a cylindrical tank, and the primary distribution box and the secondary distribution box are rectangular boxes.
6. The system of any one of claims 1-2, wherein an agitator is provided on the surge tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021841628.1U CN213727068U (en) | 2020-08-28 | 2020-08-28 | Bauxite grinding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021841628.1U CN213727068U (en) | 2020-08-28 | 2020-08-28 | Bauxite grinding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213727068U true CN213727068U (en) | 2021-07-20 |
Family
ID=76842771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021841628.1U Active CN213727068U (en) | 2020-08-28 | 2020-08-28 | Bauxite grinding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213727068U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113953025A (en) * | 2021-10-11 | 2022-01-21 | 中铝中州铝业有限公司 | Method for grinding viscous bauxite |
-
2020
- 2020-08-28 CN CN202021841628.1U patent/CN213727068U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113953025A (en) * | 2021-10-11 | 2022-01-21 | 中铝中州铝业有限公司 | Method for grinding viscous bauxite |
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