CN220071957U - Processing system for strengthening middling grading dissociation - Google Patents
Processing system for strengthening middling grading dissociation Download PDFInfo
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- CN220071957U CN220071957U CN202321185912.1U CN202321185912U CN220071957U CN 220071957 U CN220071957 U CN 220071957U CN 202321185912 U CN202321185912 U CN 202321185912U CN 220071957 U CN220071957 U CN 220071957U
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- middling
- vertical mill
- dissociation
- grading
- outlet
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- 238000010494 dissociation reaction Methods 0.000 title claims abstract description 23
- 230000005593 dissociations Effects 0.000 title claims abstract description 23
- 238000005728 strengthening Methods 0.000 title claims abstract description 7
- 238000000227 grinding Methods 0.000 claims abstract description 15
- 239000012141 concentrate Substances 0.000 claims abstract description 8
- 239000004576 sand Substances 0.000 claims abstract description 6
- 238000000498 ball milling Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000002708 enhancing effect Effects 0.000 claims description 6
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 2
- 238000007599 discharging Methods 0.000 claims 1
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 1
- 239000011707 mineral Substances 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 6
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- WUUZKBJEUBFVMV-UHFFFAOYSA-N copper molybdenum Chemical compound [Cu].[Mo] WUUZKBJEUBFVMV-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Abstract
The utility model provides a treatment system for strengthening middling grading dissociation, and relates to the technical field of middling regrinding. The treatment system comprises a classifying cyclone, wherein a pulp pump pool on the classifying cyclone is communicated with a tailing outlet of a concentrate treatment device through a pipeline; a vertical mill, wherein an inlet of the vertical mill is communicated with a sand setting outlet of the classifying cyclone; the overflow outlet of the grading cyclone and the ore discharge outlet of the vertical mill are communicated with the middling pump pool; and the ball-milling pump pool is communicated with the outlet of the middling pump pool and is used for participating in the grinding and floating circulation. The utility model uses the vertical mill to replace the traditional ball mill for grinding, the middling is graded in advance by adopting the grading cyclone and the vertical mill is matched for regrinding, thus realizing the selective intensified dissociation of middling and improving the overall metal recovery rate.
Description
Technical Field
The utility model relates to the technical field of middling regrinding, in particular to a processing system for strengthening middling grading dissociation.
Background
In order to improve the recovery rate of nonferrous metals, middling regrinding is one of the effective methods, in the existing middling regrinding process, closed circulation is required to be formed, and the problem of low treatment efficiency exists when the middling regrinding process is directly treated by a ball mill.
Disclosure of Invention
The utility model aims to provide a treatment system for strengthening the graded dissociation of middlings, wherein a vertical mill is used for replacing a traditional ball mill for grinding, the middlings are graded in advance by adopting a grading cyclone and are regrinded by matching with the vertical mill, so that the selective strengthened dissociation of the middlings is realized, and the overall metal recovery rate is improved.
The technical scheme of the utility model is realized as follows:
the technical scheme of the utility model provides a processing system for strengthening middling grading dissociation, which comprises the following components:
a classifying cyclone, wherein a pulp pump pool on the classifying cyclone is communicated with a tailing outlet of the concentrate treatment device through a pipeline;
a vertical mill, wherein an inlet of the vertical mill is communicated with a sand setting outlet of the classifying cyclone;
the overflow outlet of the grading cyclone and the ore discharge outlet of the vertical mill are communicated with the middling pump pool;
and the ball-milling pump pool is communicated with the outlet of the middling pump pool and is used for participating in the grinding and floating circulation.
In some embodiments of the utility model, the vertical mill is a GS1120 large vertical mill for selectively and strongly dissociating middling.
In some embodiments of the present utility model, the installed power of the vertical mill is 1200kwh, and the number of the vertical mills is 1.
In some embodiments of the utility model, the classifying cyclone is a 150mm diameter cyclone.
In some embodiments of the utility model, the grinding medium of the vertical mill is steel balls, the steel ball grading is 20 mm:15mm=1:1, the medium filling rate is 30-40%, the grinding concentration is 40%, and the ore discharge fineness is 80%.
In some embodiments of the utility model, the number of classifying cyclones is 25 groups, normally 15-17 groups.
Compared with the prior art, the technical scheme of the utility model has at least the following advantages or beneficial effects:
(1) In the utility model, the strong dissociation of the middling adopts a vertical mill to grind, thereby solving the problems of low fine fraction grinding efficiency and poor dissociation effect of the traditional ball mill. The cooperation process of the preliminary classification and the first-stage regrinding of the vertical mill effectively avoids the overgrinding phenomenon of fine particles in middlings, the concentrate is filtered and dehydrated, the copper-molybdenum separation index is improved to a certain extent, and the metal recovery rate is 1 percentage point. The integral dissociation degree is improved, so that the recovery rate of noble metals such as associated gold, silver and the like is also improved by 1 percent.
(2) The preliminary classification can effectively avoid overgrinding of fine fraction components in middlings, and simultaneously save the processing capacity of the vertical mill.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a process diagram of a system for enhancing the staged dissociation of middlings according to an embodiment of the utility model;
FIG. 2 is a block diagram of a processing system for enhancing the staged dissociation of middlings in accordance with an embodiment of the utility model.
Detailed Description
Examples
Referring to fig. 1 and 2, a processing system for enhancing the staged dissociation of middlings includes:
a classifying cyclone, wherein a pulp pump pool on the classifying cyclone is communicated with a tailing outlet of the concentrate treatment device through a pipeline;
a vertical mill, wherein an inlet of the vertical mill is communicated with a sand setting outlet of the classifying cyclone;
the overflow outlet of the grading cyclone and the ore discharge outlet of the vertical mill are communicated with the middling pump pool;
and the ball-milling pump pool is communicated with the outlet of the middling pump pool and is used for participating in the grinding and floating circulation.
After the coarse concentrate is subjected to the primary separation operation, the primary concentrate enters the secondary concentrate, the primary tailings directly enter a slurry pump pool on a classification cyclone, overflow enters a middling pump pool after classification, settled sand enters the middling pump pool in a form of ore discharge of a vertical mill after forced dissociation of the vertical mill, and the classification overflow and the ore discharge of the vertical mill are pumped to a slurry pump pool of a ball mill by a middling pump to participate in a grinding flotation cycle. The utility model uses the vertical mill to replace the traditional ball mill for grinding, the middling is graded in advance by adopting the grading cyclone and the vertical mill is matched for regrinding, thus realizing the selective intensified dissociation of middling and improving the overall metal recovery rate.
In some embodiments of the utility model, the vertical mill is a GS1120 large vertical mill for selectively and strongly dissociating middling.
In some embodiments of the present utility model, the installed power of the vertical mill is 1200kwh, and the number of the vertical mills is 1.
In some embodiments of the utility model, the classifying cyclone is a 150mm diameter cyclone.
In some embodiments of the utility model, the grinding medium of the vertical mill is steel balls, the steel ball grading is 20 mm:15mm=1:1, the medium filling rate is 30-40%, the grinding concentration is 40%, and the ore discharge fineness is 80%.
In the embodiment, the vertical mill can realize the intensified dissociation of coarse fraction in middlings through reasonable steel ball polar configuration adjustment and medium filling rate optimization.
In some embodiments of the utility model, the number of classifying cyclones is 25 groups, normally 15-17 groups.
In the above embodiment, the cyclone group has a treatment capacity of about 150t/h, a pulp concentration of 20% and a pulp volume of 750m 3 And/h, the classification efficiency is 54%. The grading overflow fineness (-200 mesh accounts for 90 percent) and the sand setting fineness is 60 percent. The preliminary classification can effectively avoid overgrinding of fine fraction components in middlings, and simultaneously save the processing capacity of the vertical mill.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. A processing system for enhancing the staged dissociation of a middling material, comprising:
the slurry pump pool on the grading cyclone is communicated with the tailing outlet of the concentrate treatment device through a pipeline;
the inlet of the vertical mill is communicated with the sand setting outlet of the classifying cyclone;
the overflow outlet of the grading cyclone and the ore discharge outlet of the vertical mill are communicated with the middling pump pool;
the ball-milling pump pool is communicated with the outlet of the middling pump pool and is used for participating in the grinding and floating circulation.
2. The system for processing the intensified intermediate ore classification dissociation as claimed in claim 1, wherein the vertical mill is a GS1120 large vertical mill for selectively intensified intermediate ore dissociation.
3. A treatment system for enhancing the staged dissociation of a mineral material as claimed in claim 2, wherein the installed power of the vertical mill is 1200kwh and the number of vertical mills is 1.
4. A treatment system for enhancing the staged dissociation of a medium ore as claimed in claim 3, wherein said staged cyclones are 150mm cyclones.
5. The processing system for strengthening middling grading dissociation as claimed in claim 3, wherein the grinding medium of the vertical mill is steel balls, the steel balls have a grading of 20 mm:15mm=1:1, the medium filling rate is 30-40%, the grinding concentration is 40%, and the ore discharging fineness is 80%.
6. The system of claim 4, wherein the number of classifying cyclones is 25, and the number of classifying cyclones is normally opened 15-17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321185912.1U CN220071957U (en) | 2023-05-16 | 2023-05-16 | Processing system for strengthening middling grading dissociation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321185912.1U CN220071957U (en) | 2023-05-16 | 2023-05-16 | Processing system for strengthening middling grading dissociation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220071957U true CN220071957U (en) | 2023-11-24 |
Family
ID=88819945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321185912.1U Active CN220071957U (en) | 2023-05-16 | 2023-05-16 | Processing system for strengthening middling grading dissociation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220071957U (en) |
-
2023
- 2023-05-16 CN CN202321185912.1U patent/CN220071957U/en active Active
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