CN113716717A - Mineral slurry water treatment method and mineral slurry water treatment system - Google Patents
Mineral slurry water treatment method and mineral slurry water treatment system Download PDFInfo
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- CN113716717A CN113716717A CN202110915489.5A CN202110915489A CN113716717A CN 113716717 A CN113716717 A CN 113716717A CN 202110915489 A CN202110915489 A CN 202110915489A CN 113716717 A CN113716717 A CN 113716717A
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- water
- ore
- screening
- water treatment
- treatment system
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 239000002002 slurry Substances 0.000 title claims abstract description 42
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 26
- 239000011707 mineral Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000012216 screening Methods 0.000 claims abstract description 41
- 239000002562 thickening agent Substances 0.000 claims abstract description 17
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 239000010802 sludge Substances 0.000 claims description 11
- 238000004062 sedimentation Methods 0.000 claims description 8
- 239000013505 freshwater Substances 0.000 claims description 6
- 230000001376 precipitating effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 4
- 239000012141 concentrate Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
Abstract
The invention discloses a method and a system for treating mineral mud water, wherein the system for treating the mineral mud water comprises a cyclone, a first screening machine and a thickener, wherein the cyclone is used for carrying out cyclone separation on the mineral mud water to obtain overflow and underflow, the overflow refers to a material leaving from the upper part of the cyclone, and the underflow refers to a material leaving from the bottom of the cyclone; the first screening machine is used for screening the underflow to obtain ores and primary screening muddy water; the concentrator is used for right the prescreening ore deposit muddy water with the overflow is concentrated and is obtained first clear water and slime. Wherein, in some embodiments, the ore is gangue. The advantage of above-mentioned scheme lies in, at first acquires the ore fast through swirler, first screening machine, and remaining prescreening ore slurry also can add in the concentrator in addition and concentrate with the overflow together, has increased substantially the clear water recycle who goes out in the ore slurry water.
Description
Technical Field
The disclosure relates to the field of mineral treatment, in particular to a mineral mud water treatment method and a mineral mud water treatment system.
Background
To the best of the applicant's knowledge, some plants recapture the water and ore by means of multi-stage concentration + pressure filtration dehydration. However, the process is relatively complex, and a plurality of thickeners are needed to realize high recovery rate of the ore slurry water.
Disclosure of Invention
The present disclosure provides a method and a system for treating mineral slurry to solve at least one of the drawbacks of the prior art.
In a first aspect, the present disclosure provides a method for treating ore slurry, comprising
Separating ore mud and water by using a swirler to obtain overflow and underflow;
screening the bottom flow to obtain ore and primary screening ore slurry;
and concentrating the primary screened ore slurry and the overflow to obtain first clear water and ore slurry.
In some embodiments, further comprising: and precipitating the slime to obtain second clear water and precipitated slime.
In a second aspect, there is provided a mine mud water treatment system comprising
The cyclone is used for carrying out cyclone separation on the ore mud water to obtain overflow and underflow;
the first screening machine is used for screening the underflow to obtain ores and primary screening muddy water;
and the concentrator is used for concentrating the primary screened ore slurry and the overflow to obtain first clear water and ore slurry.
In some embodiments, the settling pond is used for settling the slime to obtain second clear water and settled slime.
In some embodiments, the system further comprises a first container for storing the first fresh water and the second fresh water.
In some embodiments, a first pump is included for delivering sludge from the thickener to the settling tank.
In some embodiments, the system further comprises a third pump, a slurry container and a fourth pump, wherein the third pump is used for conveying the slurry obtained from the thickener to the slurry container, and the fourth pump is used for conveying the slurry in the slurry container to the sedimentation tank.
In some embodiments, further comprising a second container and a second pump;
a second container for storing the primary screened ore muddy water obtained from the first screening machine,
and the second pump is used for conveying the primarily screened muddy water from the first screening machine to the thickener.
In some embodiments, the first screen machine is a high frequency screen; the screening frequency of the first screening machine is 20-30 Hz; and/or the size of the screen hole of the first screening machine is 0.1-0.5 mm.
In some embodiments, the ore is gangue.
Has the advantages that: firstly, the ore slurry is primarily screened by the cyclone and the first screening machine, the minerals in the ore slurry are screened out, and the residual primarily screened ore slurry and overflow can enter the thickener to recover clear water in the ore slurry. The operation is relatively simple and convenient, and the consumed resources on manpower and equipment are reduced.
Drawings
Fig. 1 is a mineral mud water treatment system according to an embodiment of the present disclosure.
Fig. 2 is a mine mud water treatment method according to an embodiment of the disclosure.
The labels in the figure are: 1. a swirler; 2. a first screening machine; 3. a second container; 4. a thickener; 5. a first container; 6. a slurry container; 7. a sedimentation tank.
Detailed Description
It should be understood that the exemplary embodiments described herein should be considered in descriptive sense only and not for purposes of limitation. Descriptions of features or aspects within each exemplary embodiment should generally be considered as available for similar features or aspects in other exemplary embodiments.
The foregoing description is provided with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the invention as defined by the claims. It includes various specific details to assist in this understanding, but these details should be construed as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that changes and modifications of the various embodiments described herein can be made without departing from the scope of the invention, which is defined by the appended claims. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.
The terms and words used in the following description and claims are not limited to the written meaning, but are used only by the inventor to allow a clear and consistent understanding of the invention. Accordingly, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present invention are provided for illustration only and not for the purpose of limiting the invention as defined by the appended claims.
Throughout the description and claims of this specification, the words "comprise" and "contain" and variations of the words, for example "comprising" and "comprises", mean "including but not limited to", and are not intended to (and do not) exclude other components, integers or steps.
Features, integers or characteristics described in conjunction with a particular aspect, embodiment or example of the invention are to be understood to be applicable to any other aspect, embodiment or example described herein unless incompatible therewith.
It is to be understood that the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. In the present invention, the expression "or" comprises any and all combinations of the words listed together. For example, "a or B" may comprise a or B, or may comprise both a and B.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present specification and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Fig. 1 is a mineral mud water treatment system according to an embodiment of the present disclosure. As shown in fig. 1, the mineral mud water treatment system comprises a cyclone 1, a first screening machine 2 and a thickener 4, wherein the cyclone 1 is used for performing cyclone separation on mineral mud water to obtain an overflow flow and an underflow flow, the overflow flow refers to materials leaving from the upper part of the cyclone, and the underflow flow refers to materials leaving from the bottom of the cyclone; the first screening machine 2 is used for screening the underflow to obtain ores and primary screening muddy water; the thickener 4 is used for concentrating the prescreened ore slurry and the overflow to obtain first clear water and ore slurry. Wherein, in some embodiments, the ore is gangue. The advantage of above-mentioned scheme lies in, at first obtains the ore fast through swirler 1, first screening machine 2, and remaining prescreening muddy water also can add in the concentrator in addition and concentrate with the overflow together, has increased substantially the clear water recycle who muddy water.
In order to further improve the recycling rate of the clear water, optionally, the mineral mud water treatment system further comprises a sedimentation tank 7 for sedimentating the mineral mud to obtain second clear water and sedimentary mineral mud.
In some embodiments, a first container 5 is further included for storing the first fresh water and the second fresh water. Optionally, the first container 5 is barrel-shaped. It should be understood that the shape of the first container 5 is not limited to a barrel shape, and other configurations such as a square shape, a pentagram shape, etc. are possible.
In some embodiments, a third pump for conveying the sludge obtained from the thickener 4 to the sludge container 6, and a fourth pump for conveying the sludge in the sludge container 6 to the sedimentation tank 7 are further included. The third pump can be selected as an underflow pump, and the fourth pump can be selected as a slurry pump. The shape of the slime container 6 can be one of a barrel shape, a cuboid shape and a conical shape.
Although the slurry is delivered to the slurry reservoir 6 and then to the settling tank 7 as shown in figure 1, in alternative embodiments the slurry treatment system further comprises a first pump which delivers slurry obtained from the thickener 4 directly to the settling tank 7. And the additional addition of the slime container 6 or the pump body is not needed. In some embodiments, a plurality of thickeners are used together for processing, and the different ore slurry water is far away from the sedimentation tank, so that the ore slurry water needs to be concentrated and then transported. The using quantity of the high-lift high-power sludge pumps is reduced, and the maintenance and operation cost is reduced; the pump flow can be flexibly adjusted according to the size of the slime, the underflow concentration and the water balance; the flow speed of the high-concentration slime in the pipeline can be conveniently controlled, and the pipeline blockage accident caused by the low flow speed can be avoided.
In some embodiments, a second container 3 and a second pump;
a second container 3 for storing the primary screening muddy water obtained from the first screening machine 2,
and the second pump is used for conveying the primary screened muddy water from the first screening machine 2 to the thickener 4. The second pump may be selected to be a slurry pump.
In some embodiments, first sizer 2 is a high frequency screen; the screening frequency (namely the vibration frequency of the screen surface) of the first screening machine 2 is 24 Hz; and/or the screen hole size of the first screening machine 2 is 0.3 mm.
A method for treating ore mud water comprises
Step S11, separating ore mud and water by using a cyclone 1 to obtain overflow and underflow;
s12, screening the underflow to obtain ore and primary screening muddy water;
and step S13, concentrating the primary screened ore slurry and the overflow to obtain first clear water and ore slurry.
In some embodiments, further comprising: and step S14, precipitating the slime to obtain second clear water and precipitated slime.
According to the scheme, the thickener is adopted at first, so that the occupied area of construction is reduced, and the construction investment is reduced. In addition, the traditional complex process (multi-stage concentration and filter pressing dehydration) is simplified, the equipment utilization rate is reduced, the washing water full circulation is also realized, and the discharge amount of the existing ore mud water is 3000m3Day, 500m slime3The amount of returned water in the sedimentation tank is more than 2250m3The recycling rate of the ore mud water is more than or equal to 90 percent every day, and the equipment and people are reducedThe input of force realizes low investment and low production cost.
The above examples are only for illustrating the technical solutions of the present disclosure, and not for limiting the same. Although the present disclosure has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present disclosure. All other embodiments made by those skilled in the art without any inventive step are within the scope of the present disclosure.
Claims (10)
1. The method for treating the ore slurry is characterized by comprising the following steps
Separating ore mud and water by using a swirler to obtain overflow and underflow;
screening the bottom flow to obtain ore and primary screening ore slurry;
and concentrating the primary screened ore slurry and the overflow to obtain first clear water and ore slurry.
2. The method for treating mine mud water according to claim 1, further comprising:
and precipitating the slime to obtain second clear water and precipitated slime.
3. A mineral mud water treatment system is characterized by comprising
The cyclone is used for carrying out cyclone separation on the ore mud water to obtain overflow and underflow;
the first screening machine is used for screening the underflow to obtain ores and primary screening muddy water;
and the concentrator is used for concentrating the primary screened ore slurry and the overflow to obtain first clear water and ore slurry.
4. The mineral mud water treatment system of claim 3, further comprising
And the sedimentation tank is used for settling the slime to obtain second clear water and settled slime.
5. The mineral mud water treatment system of claim 4, further comprising a first container for storing the first fresh water and the second fresh water.
6. The mineral mud water treatment system of claim 4, further comprising a first pump for delivering the mineral mud obtained from the thickener to the settling tank.
7. The sludge water treatment system as claimed in claim 4, further comprising a third pump for delivering the sludge obtained from the thickener to the sludge container, and a fourth pump for delivering the sludge in the sludge container to the sedimentation tank.
8. The mineral mud water treatment system of claim 3, further comprising a second reservoir and a second pump;
a second container for storing the primary screened ore muddy water obtained from the first screening machine,
and the second pump is used for conveying the primarily screened muddy water from the first screening machine to the thickener.
9. The mineral mud water treatment system of any one of claims 3 to 8, wherein the first screening machine is a high frequency screen; the screening frequency of the first screening machine is 20-30 Hz; and/or the size of the screen hole of the first screening machine is 0.1-0.3 mm.
10. The mine mud water treatment system of any one of claims 3 to 8, wherein the ore is gangue.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110915489.5A CN113716717A (en) | 2021-08-10 | 2021-08-10 | Mineral slurry water treatment method and mineral slurry water treatment system |
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| CN202110915489.5A CN113716717A (en) | 2021-08-10 | 2021-08-10 | Mineral slurry water treatment method and mineral slurry water treatment system |
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|---|---|---|---|---|
| CN103301679A (en) * | 2013-06-26 | 2013-09-18 | 南京梅山冶金发展有限公司 | Tailing dewatering method |
| CN107020201A (en) * | 2017-06-14 | 2017-08-08 | 淮南矿业(集团)有限责任公司 | A kind of thickener underflow coarse slime recovery system |
| CN109622209A (en) * | 2018-12-26 | 2019-04-16 | 湖南柿竹园有色金属有限责任公司 | A kind of beneficiation method of high clay content low grade wolfram |
| CN110216007A (en) * | 2019-05-29 | 2019-09-10 | 煤炭科学研究总院唐山研究院 | The method for handling oil shale mine muddy water |
| CN110526535A (en) * | 2019-08-26 | 2019-12-03 | 山东森鹏工业自控设备制造有限公司 | A kind of dry row's technique of tailing circulation and stress |
| CN110560258A (en) * | 2019-09-23 | 2019-12-13 | 山东科技大学 | device and process for selecting ultra-clean coal from jigging overflow coal slime through physical cyclone recovery |
-
2021
- 2021-08-10 CN CN202110915489.5A patent/CN113716717A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103301679A (en) * | 2013-06-26 | 2013-09-18 | 南京梅山冶金发展有限公司 | Tailing dewatering method |
| CN107020201A (en) * | 2017-06-14 | 2017-08-08 | 淮南矿业(集团)有限责任公司 | A kind of thickener underflow coarse slime recovery system |
| CN109622209A (en) * | 2018-12-26 | 2019-04-16 | 湖南柿竹园有色金属有限责任公司 | A kind of beneficiation method of high clay content low grade wolfram |
| CN110216007A (en) * | 2019-05-29 | 2019-09-10 | 煤炭科学研究总院唐山研究院 | The method for handling oil shale mine muddy water |
| CN110526535A (en) * | 2019-08-26 | 2019-12-03 | 山东森鹏工业自控设备制造有限公司 | A kind of dry row's technique of tailing circulation and stress |
| CN110560258A (en) * | 2019-09-23 | 2019-12-13 | 山东科技大学 | device and process for selecting ultra-clean coal from jigging overflow coal slime through physical cyclone recovery |
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Application publication date: 20211130 |