CN219637056U - Precious metal mine drainage water resource utilization system - Google Patents
Precious metal mine drainage water resource utilization system Download PDFInfo
- Publication number
- CN219637056U CN219637056U CN202321000033.7U CN202321000033U CN219637056U CN 219637056 U CN219637056 U CN 219637056U CN 202321000033 U CN202321000033 U CN 202321000033U CN 219637056 U CN219637056 U CN 219637056U
- Authority
- CN
- China
- Prior art keywords
- water
- reverse osmosis
- metal mine
- precious metal
- mine drainage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003657 drainage water Substances 0.000 title claims abstract description 12
- 239000010970 precious metal Substances 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 18
- ONIBWKKTOPOVIA-UHFFFAOYSA-N Proline Chemical compound OC(=O)C1CCCN1 ONIBWKKTOPOVIA-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000001728 nano-filtration Methods 0.000 claims abstract description 11
- 238000004064 recycling Methods 0.000 claims abstract description 9
- 238000004062 sedimentation Methods 0.000 claims abstract description 8
- 239000004576 sand Substances 0.000 claims abstract description 6
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 6
- 239000013505 freshwater Substances 0.000 claims description 9
- 238000000889 atomisation Methods 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 8
- 230000008020 evaporation Effects 0.000 claims description 8
- 229910000510 noble metal Inorganic materials 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 abstract description 10
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract description 6
- 238000005065 mining Methods 0.000 abstract description 6
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 239000011780 sodium chloride Substances 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 description 3
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 238000011033 desalting Methods 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a precious metal mine drainage water recycling system which comprises a high-density sedimentation tank, a sand filter tank, an ultrafiltration device, an RO reverse osmosis device, a nanofiltration device, an HPRO high-pressure reverse osmosis device, a forced circulation evaporator and a forced circulation crystallizer which are sequentially communicated. The utility model can recycle the mixed salt and sodium chloride in the drain water of the metal mining area, and the treated water can be directly discharged or recycled.
Description
Technical Field
The utility model relates to a precious metal mine drainage water resource utilization system, and belongs to the technical field of mine water resource treatment.
Background
The water consumption and the water discharge of noble metal mining areas are increased year by year, so that the development and the utilization of unconventional water resources are realized, the requirements of social and economic development are met, the bearing capacity of the water environment is fully considered, the water resources are effectively protected, the water resources can be continuously utilized, and the sustainable development of the social and economic development is met; and secondly, reasonably developing water resources to meet the continuous development demands of cities so as to realize comprehensive utilization of the water resources. As industrial water households, mining enterprises have the function of head soldiers in the whole water-saving work, so that the mining enterprises have good economic benefits, reduce water environment pollution and have very important economic and social benefits.
Disclosure of Invention
The utility model aims to provide a precious metal mine drainage water recycling system which can recycle mixed salt and sodium chloride in drainage water of a metal mining area, and the treated water can be directly discharged or recycled.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a noble metal mine drainage water recycling system comprises a high-density sedimentation tank, a sand filter tank, an ultrafiltration device, an RO reverse osmosis device, a nanofiltration device, an HPRO high-pressure reverse osmosis device, a forced circulation evaporator and a forced circulation crystallizer which are sequentially communicated.
In the precious metal mine drainage water recycling system, the system further comprises a solar mechanical atomization evaporation pond, and a water inlet of the solar mechanical atomization evaporation pond is communicated with a concentrated water outlet of the nanofiltration device.
In the noble metal mine drainage water recycling system, the system further comprises a reuse water tank, the fresh water outlet of the RO reverse osmosis device is communicated with the water inlet of the reuse water tank, and the fresh water outlet of the HPRO high-pressure reverse osmosis device is communicated with the water inlet of the reuse water tank.
Compared with the prior art, the method can recover the mixed salt and sodium chloride in the drain water of the metal mining area, and the treated water can be directly discharged or recycled.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
Reference numerals: 1-high density sedimentation tank, 2-sand filter tank, 3-ultrafiltration device, 4-RO reverse osmosis device, 5-nanofiltration device, 6-HPRO high pressure reverse osmosis device, 7-forced circulation evaporator, 8-forced circulation crystallizer, 9-solar energy mechanical atomization evaporation pond, 10-reuse pond.
The utility model is further described below with reference to the drawings and the detailed description.
Detailed Description
Embodiments of the utility model: a noble metal mine drainage water recycling system comprises a high-density sedimentation tank 1, a sand filter tank 2, an ultrafiltration device 3, an RO reverse osmosis device 4, a nanofiltration device 5, an HPRO high-pressure reverse osmosis device 6, a forced circulation evaporator 7 and a forced circulation crystallizer 8 which are sequentially communicated.
The system also comprises a solar mechanical atomization evaporation pond 9, and a water inlet of the solar mechanical atomization evaporation pond 9 is communicated with a concentrated water outlet of the nanofiltration device 5.
The system also comprises a reuse water tank 10, wherein the fresh water outlet of the RO reverse osmosis device 4 is communicated with the water inlet of the reuse water tank 10, and the fresh water outlet of the HPRO high-pressure reverse osmosis device 4 is communicated with the water inlet of the reuse water tank 10.
The working principle of one embodiment of the utility model is as follows: the drain water is pumped to the high-density sedimentation tank 1 through the drainage pump of the underground central water pump room. Adding a flocculating agent PAC and a flocculating agent PAM into a mixing tank and a flocculating tank of a high-density sedimentation tank 1 respectively, mixing, performing flocculation reaction, reacting to generate larger alum flowers, then entering the sedimentation tank for solid-liquid separation, filtering the separated supernatant fluid in a sand filter tank 2, pre-desalting the filtered supernatant fluid in an ultrafiltration device 3, purifying water in an RO reverse osmosis device 4 (with a recovery rate of 70%), recycling the produced fresh water after the produced fresh water reaches the standard, and separating monovalent salt and divalent salt in a nanofiltration device 5 (with a recovery rate of 65%).
The concentrated nanofiltration water is sent into a solar mechanical atomization evaporation pond 9 for salt burning, and the main components of the mixed salt are calcium chloride and a small amount of calcium sulfate. Desalting the nanofiltration produced water by an HPRO high-pressure reverse osmosis device 6 (HPRO, recovery rate is 50%), and then delivering HPRO fresh water (Cl < - > is less than or equal to 300 mg/L) into a reuse water tank 10 for reuse; and (3) sequentially sending the HPRO concentrated water into a forced circulation evaporator 7 and a forced circulation crystallizer 8 to prepare the refined industrial salt industrial dry salt first-grade product which accords with GB/T5462-2015 industrial salt.
Claims (3)
1. The utility model provides a noble metal mine drain water resource utilization system which characterized in that, including high density sedimentation tank (1), sand filter (2), ultrafiltration device (3), RO reverse osmosis unit (4), nanofiltration unit (5), HPRO high pressure reverse osmosis unit (6), forced circulation evaporator (7) and forced circulation crystallizer (8) that communicate in proper order.
2. The precious metal mine drainage water recycling system according to claim 1 is characterized by further comprising a solar mechanical atomization evaporation pond (9), wherein a water inlet of the solar mechanical atomization evaporation pond (9) is communicated with a concentrated water outlet of the nanofiltration device (5).
3. The precious metal mine drainage water recycling system according to claim 2, further comprising a reuse water tank (10), wherein the fresh water outlet of the RO reverse osmosis device (4) is communicated with the water inlet of the reuse water tank (10), and the fresh water outlet of the HPRO high-pressure reverse osmosis device (6) is communicated with the water inlet of the reuse water tank (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321000033.7U CN219637056U (en) | 2023-04-27 | 2023-04-27 | Precious metal mine drainage water resource utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321000033.7U CN219637056U (en) | 2023-04-27 | 2023-04-27 | Precious metal mine drainage water resource utilization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219637056U true CN219637056U (en) | 2023-09-05 |
Family
ID=87822291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321000033.7U Active CN219637056U (en) | 2023-04-27 | 2023-04-27 | Precious metal mine drainage water resource utilization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219637056U (en) |
-
2023
- 2023-04-27 CN CN202321000033.7U patent/CN219637056U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |