CN207958056U - A kind of heavy metal waste water treatment system - Google Patents
A kind of heavy metal waste water treatment system Download PDFInfo
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- CN207958056U CN207958056U CN201721610774.1U CN201721610774U CN207958056U CN 207958056 U CN207958056 U CN 207958056U CN 201721610774 U CN201721610774 U CN 201721610774U CN 207958056 U CN207958056 U CN 207958056U
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- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 23
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 20
- 239000010814 metallic waste Substances 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 239000002351 wastewater Substances 0.000 claims abstract description 48
- 238000001704 evaporation Methods 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims abstract description 10
- 238000004062 sedimentation Methods 0.000 claims abstract description 10
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 9
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 8
- 238000005189 flocculation Methods 0.000 claims abstract description 7
- 230000016615 flocculation Effects 0.000 claims abstract description 7
- 238000001764 infiltration Methods 0.000 claims abstract description 7
- 239000012528 membrane Substances 0.000 claims abstract description 7
- 230000007062 hydrolysis Effects 0.000 claims description 8
- 238000006460 hydrolysis reaction Methods 0.000 claims description 8
- 230000020477 pH reduction Effects 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000002033 PVDF binder Substances 0.000 claims description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 4
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 17
- 238000013461 design Methods 0.000 abstract description 10
- 239000010865 sewage Substances 0.000 abstract description 6
- 230000001112 coagulating effect Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 239000010949 copper Substances 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 238000005530 etching Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 238000009388 chemical precipitation Methods 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical group S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical group [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000005115 demineralization Methods 0.000 description 1
- 230000002328 demineralizing effect Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- -1 suspended matter Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model is related to sewage disposal system technical fields, and in particular to a kind of heavy metal waste water treatment system.System includes pH regulating reservoirs, coagulating basin, flocculation basin, sedimentation basin, biochemical treatment system, ultrafiltration system, counter-infiltration system and the evaporating, concentrating and crystallizing device being sequentially communicated by waste water flow direction, the counter-infiltration system includes the level-one RO devices and multistage RO systems by waste water flow direction setting, the level-one RO systems are equipped with the first treated water outlet and the first concentrated water exports, first treated water outlet is communicated with reuse pool, the first concentrated water outlet and the multistage RO system connectivities.The heavy metal waste water treatment system and method for the utility model are using reliable for operation, economical rationality as principle, use " ultrafiltration+multi-stage reverse osmosis " for " bi-membrane method " water treatment technology of core, program reasonable design, it is stable, production water quality meet the requirements, and each device have the advantages that it is easy for installation, easy to use, easy to operate, easy to maintain.
Description
Technical field
The utility model is related to sewage disposal system technical fields, and in particular to a kind of heavy metal waste water treatment system.
Background technology
Copper-containing wastewater is a kind of waste water generated by the industry such as metallurgy, electronics, include mainly printed circuit board etch waste water,
Electroplating wastewater etc..Copper content is up to 0.1~35g/L in copper-containing wastewater, substantially exceeds sewage drainage standard (GB8978-1996),
If direct emission would seriously pollute the environment.Copper-containing wastewater is handled therefore, it is necessary to take the necessary measures.
In existing Copper Wastewater Treatment Technologies, ion-exchange, the precipitation method, absorption method and electrolysis be using it is more,
More ripe robust techniques.But there is also numerous deficiencies, such as electrolysis, although the effect of removal heavy metal copper ion is also
Well, but in processing procedure, a large amount of electric energy can be consumed in the processing procedure of especially a large amount of waste water, energy consumption compared with
Greatly, it is difficult to meet the requirement for the energy-saving and emission-reduction advocated at present；The precipitation method, the precipitation method are commonly divided into chemical precipitation and physics again
Precipitation, chemical precipitation are exactly that a large amount of alkali is added into waste water, make waste water in alkalinity, then generate the sediment of indissoluble, pass through
It filters out, physical method is that flocculant is added into heavy metal-containing waste water, and flocculant is mostly colloid, largely similar using its surface
Charge adsorption heavy metal ion removes after then leaning on gravitational settling through the methods of filtering；Ion-exchange and absorption method, although behaviour
Make simple, energy consumption is small, but the problem that while being handled there is also single method is ineffective.
Invention content
In order to overcome shortcoming and defect existing in the prior art, the purpose of this utility model is to provide a kind of costs
Low, zero-emission, water outlet can reach the heavy metal waste water treatment system of originally water quality standard.
The purpose of this utility model is achieved through the following technical solutions：
A kind of heavy metal waste water treatment system includes the pH regulating reservoirs, coagulating basin, flocculation being sequentially communicated by waste water flow direction
Pond, sedimentation basin, biochemical treatment system, ultrafiltration system, counter-infiltration system and evaporating, concentrating and crystallizing device, the counter-infiltration system are pressed
Waste water flow direction includes the level-one RO devices being sequentially communicated and multistage RO systems, and the level-one RO systems are equipped with the first treated water outlet
It is exported with the first concentrated water, first treated water outlet is communicated with reuse pool, the first concentrated water outlet and the multistage RO
System connectivity.
Wherein, the multistage RO systems include the two level RO devices being sequentially communicated and SRO devices by waste water flow direction, described
Disc tube reverse osmosis (dt-ro) film is equipped in SRO devices.
Wherein, the two level RO devices are equipped with the second treated water outlet and the second concentrated water and export, and the SRO devices are equipped with the
Three treated water outlets and the outlet of third concentrated water, second treated water outlet and third treated water outlet with level-one RO devices
Water inlet is connected to, and the second concentrated water outlet is connected to the water inlet of SRO devices, and the third concentrated water outlet and the evaporation are dense
The water inlet of contracting crystallization apparatus is connected to.
Wherein, the biochemical treatment system by waste water flow direction include be sequentially communicated hydrolysis acidification pool, contact-oxidation pool,
The ponds MBR and MBR produce pond.
Wherein, the ultrafiltration system includes the carbon filter being sequentially communicated and UF filter devices by waste water flow direction.
Wherein, PVDF filter membranes are equipped in the UF filter devices, the molecular cut off of the UF filter devices is
14000-16000 dalton.
Wherein, the evaporating, concentrating and crystallizing device is multi-effect evaporator.
Wherein, it is flowed to by waste water, wastewater equalization pond, the concentrated water evaporating, concentrating and crystallizing is additionally provided with before the pH regulating reservoirs
Device is equipped with condensation-water drain, and the condensation-water drain is connected to the water inlet of wastewater equalization pond.
Wherein, it is flowed to by waste water, readjustment pond is additionally provided between the sedimentation basin and the biochemical treatment system.
The beneficial effects of the utility model are：The heavy metal waste water treatment system and method for the utility model can to run
It leans on, economical rationality is that principle uses " ultrafiltration+multi-stage reverse osmosis " for " double films of core using relevant design standard and specification
Method " water treatment technology, program reasonable design, stable, production water quality are met the requirements, and each device has installation
Convenient, easy to use, easy to operate, easy to maintain advantage and stable, energy-saving and environmental protection, high degree of automation, economy
The features such as practical.
Description of the drawings
Fig. 1 is the system schematic of the utility model；
Reference numeral is：1- wastewater equalization ponds, 2-pH regulating reservoirs, 3- coagulating basins, 4- flocculation basins, 5- sedimentation basins, 6- readjustments
Pond, 7- hydrolysis acidification pools, 8- contact-oxidation pools, the ponds 9-MBR, 10-MBR productions pond, 11- carbon filters, 12-UF filter devices, 13-
Level-one RO devices, 14- reuse pools, 15- two level RO devices, 16-SRO devices, 17- evaporating, concentrating and crystallizing devices
Specific implementation mode
For the ease of the understanding of those skilled in the art, the utility model is made into one with reference to embodiment and attached drawing 1
The explanation of step, the content that embodiment refers to not are the restriction to the utility model.
Embodiment 1
By waste water flow direction include the pH regulating reservoirs 2 being sequentially communicated, mixed as shown in Figure 1, a kind of heavy metal waste water treatment system
Solidifying pond 3, flocculation basin 4, sedimentation basin 5, biochemical treatment system, ultrafiltration system, counter-infiltration system and evaporating, concentrating and crystallizing device 17, institute
It includes by the level-one RO devices 13 and multistage RO systems of waste water flow direction setting to state counter-infiltration system, and the level-one RO systems are equipped with the
One treated water outlet and the outlet of the first concentrated water, first treated water outlet are communicated with reuse pool 14, and first concentrated water goes out
Mouth and the multistage RO system connectivities.
Wherein, the multistage RO systems include the two level RO devices 15 being sequentially communicated and SRO devices 16, institute by waste water flow direction
It states and is equipped with disc tube reverse osmosis (dt-ro) film in SRO devices 16.
Wherein, the two level RO devices 15 are equipped with the second treated water outlet and the second concentrated water exports, and the SRO devices 16 are set
There are third treated water outlet and the outlet of third concentrated water, second treated water outlet to be filled with level-one RO with third treated water outlet
13 water inlet connection is set, the second concentrated water outlet is connected to the water inlet of SRO devices 16, the third concentrated water outlet and institute
State the water inlet connection of evaporating, concentrating and crystallizing device 17.
Wherein, the biochemical treatment system by waste water flow direction include be sequentially communicated hydrolysis acidification pool 7, contact-oxidation pool 8,
The ponds MBR 9 and MBR produce pond 10.
Wherein, the ultrafiltration system includes the carbon filter 11 being sequentially communicated and UF filter devices 12 by waste water flow direction.
Wherein, PVDF filter membranes are equipped in the UF filter devices 12, the molecular cut off of the UF filter devices 12 is
14000-16000 dalton.
Wherein, the evaporating, concentrating and crystallizing device 17 is multi-effect evaporator.
Wherein, it is flowed to by waste water, wastewater equalization pond 1 is additionally provided with before the pH regulating reservoirs 2, the concentrated water is concentrated by evaporation knot
Brilliant device 17 is equipped with condensation-water drain, and the condensation-water drain is connected to the water inlet of wastewater equalization pond 1.
Wherein, it is flowed to by waste water, readjustment pond 6 is additionally provided between the sedimentation basin 5 and the biochemical treatment system.
It is now directed to each device effect of the present embodiment and total process flow illustrates：
(a) in pH regulating reservoirs 2, PH adjustings and demulsification are carried out using sodium hydroxide and complexing agent, adjustment pH value control exists
11-12, waste water are transferred in coagulating basin 3 and PAC are added in coagulating basin 3, and mixed water enters flocculation basin 4 and PAM shapes are added
At the floccule body for being more easy to precipitation, reduce part COD, SS, the water after flocculation enter in sedimentation basin 5 and precipitated (heavy metal CU2+,
Ni2+ is precipitated with precipitation form)；
(b) in sedimentation basin 5, the body refuse of bulky grain is periodically scraped body refuse the bottom of to using mechanical mud scraper by shallow layer settling
It is deposited in portion's bucket, supernatant enters next link；
(c) supernatant of sedimentation basin 5 is 6-9 through adjusting back pond 6 to adjust pH, subsequently into hydrolysis acidification pool 7.In hydrolysis acid
Change in pond 7, the main hydrolysis acidification using anaerobic reaction acts on, and changes the molecular structure of macromolecular compound, makes water
The small molecule of dissolubility improves the biodegradability of sewage, creates conditions for Aerobic Process for Treatment；
(d) production waste water is flowed into from hydrolysis acidification pool 7 in contact-oxidation pool 8.Under aerobic condition, heterotroph and der Pilz are attached
It the syntrophism on filler and forms biomembrane, the sorrow of no sludge bulking.The oxygen needed for biological growth is provided by aerating system,
By the biomembrane of culture, organic matter of sewage is adsorbed, is absorbed, useless Organic substance in water is made to be eventually converted into H2O、CO2And N2
Equal inorganic molecules, to make sewage achieve the purpose that purification；
(e) it considers that raw water fluctuation is larger, to ensure the water outlet of system energy stably reaching standard, increases after contact-oxidation pool 8
The ponds MBR 9；A kind of new technology being combined using MBR membrane separation techniques and biochemical processing, instead of two in traditional handicraft
Heavy pond.It can be efficiently separated by solid-liquid separation, and stable clear liquid is obtained.Meanwhile and high concentration can be maintained in biological tank
Biomass, excess sludge is few, and the very effective removal ammonia nitrogen of energy goes out aqueous suspension and turbidity close to zero.The present embodiment is adopted simultaneously
It is MBR belt material hollow-fibre membranes, avoids the fracture of wire of conventional film, blocks the short problem of service life, it can be with direct-on-line medicine
It washes, simple operation, a large amount of artificial, the polluter in next further degrading waste water need to be impregnated in medicine pond by reducing；
(f) production waste water enters from the ponds MBR 9 in MBR productions pond 10, plays cushioning effect；
(g) the CODcr contents in MBR productions pond 10 are lower less than 60mg/L, the content of ammonia nitrogen, generally less than 5mg/L, SS
Content is extremely low, is generally less than less than 2mg/L；Such waste water can be used as the influent source of reuse water system.For further purified water
Matter achievees the purpose that zero-emission, MBR produce the production waste water in pond 10 and enter carbon filter 11 through raw water pump pressurization, go in water removal
The impurity such as suspended matter, colloid, it is ensured that enter the water quality of UF filter devices 12.Through treated the concentrated water of UF filter devices 12
Containing higher salinity, unsuitable direct reuse to production, it is necessary to carry out desalting processing.Using reverse osmosis unit desalination, go
Extra heavy metal ion in water removal, organic matter, salinity, achieve the purpose that purification, and to meet workshop water requirement, RO fresh water is sent
It is back to workshop again to plant area's water purification system.It is dense that the backwash water of carbon filter 11/UF devices enters pH regulating reservoirs 2, UF
Pond 10 can be produced into MBR by shrinking.Enter evaporating, concentrating and crystallizing device 17 after the concentrated decrement of RO concentrated waters, crystalline solid is packaged transfer office
It sets.
The targeted wastewater source of the present embodiment is in the etching solution of the processes such as production line etching, development striping, etching solution master
It is sulfuric acid to want ingredient<20%, acetic acid 5-15%, remaining ingredient are water, therefore estimate that etching waste component is copper sulphate, copper acetate.
Pollution factor is mainly PH：2-11；COD:2200mg/L；SS：9mg/L；Cu:123mg/L；T-N：39mg/L.
The running cost (including medicament expense, electricity cost, labour cost and consumptive material expense) of the present embodiment is about 0.39~
10.89 yuan/ton of water, relatively directly evaporation can save the cost of 70%-80%, and handling result reaches national integrated wastewater discharge mark
Accurate (GB8978-1996),《Pollutant emission standard is electroplated》(GB21900-2008)；《Electroplating Wastewater Treatment engineering legislation》
(HJ2002-2010)、《Environmental Engineering Design handbook》；《Code for structural design of water supply and sewerage engineering》(GBJ69-84)、《Concrete
Code for structural design》(GBJ10-89)、《Code for design of low voltage power distribution installations and wiring systems》(GBJ54-83)、《Industrial enterprise illuminates
Design standard》(GBJ50034-92)、《General electrical equipment design specification》(GBJ50055-93)、《Rubber lining chemical industry equipment》
(HGJ32-90)、《Water treatment facilities manufacturing technology condition》(JB/T2932-1999)、《Reverse osmosis water treating equipment》(CJ/
T119-2000)、《Code for design of indutrial water softening and demineralization》(GBJ109-87)、《Water and Waste Water Engineering construction inspection rules》
(GB1328-1995) standards such as.
Above-described embodiment is the preferable implementation of the utility model, and in addition to this, the utility model can be with other sides
Formula realizes that any obvious replacement is in the protection model of the utility model without departing from the concept of the premise utility
Within enclosing.
Claims (9)
1. a kind of heavy metal waste water treatment system, it is characterised in that：Include pH regulating reservoirs, the coagulation being sequentially communicated by waste water flow direction
Pond, flocculation basin, sedimentation basin, biochemical treatment system, ultrafiltration system, counter-infiltration system and evaporating, concentrating and crystallizing device, the reverse osmosis
Permeable system includes the level-one RO devices being sequentially communicated and multistage RO systems by waste water flow direction, and it is net that the level-one RO devices are equipped with first
Change water out and the outlet of the first concentrated water, first treated water outlet is communicated with reuse pool, the first concentrated water outlet and institute
State multistage RO system connectivities.
2. a kind of heavy metal waste water treatment system according to claim 1, it is characterised in that：The multistage RO systems are by useless
For flow to two level RO devices and SRO devices including being sequentially communicated, the SRO devices are interior to be equipped with disc tube reverse osmosis (dt-ro) film.
3. a kind of heavy metal waste water treatment system according to claim 2, it is characterised in that：The two level RO devices are equipped with
Second treated water outlet and the outlet of the second concentrated water, the SRO devices are equipped with third treated water outlet and third concentrated water exports, described
Second treated water outlet is connected to the water inlet of level-one RO devices with third treated water outlet, second concentrated water outlet with
The water inlet of SRO devices is connected to, and the third concentrated water outlet is connected to the water inlet of the evaporating, concentrating and crystallizing device.
4. a kind of heavy metal waste water treatment system according to claim 1, it is characterised in that：The biochemical treatment system is pressed
Waste water flow direction includes the hydrolysis acidification pool being sequentially communicated, contact-oxidation pool, the ponds MBR and MBR productions pond.
5. a kind of heavy metal waste water treatment system according to claim 1, it is characterised in that：The ultrafiltration system presses waste water
Flow direction includes the carbon filter being sequentially communicated and UF filter devices.
6. a kind of heavy metal waste water treatment system according to claim 5, it is characterised in that：It is set in the UF filter devices
There are PVDF filter membranes, the molecular cut off of the PVDF filter membranes is 14000-16000 dalton.
7. a kind of heavy metal waste water treatment system according to claim 1, it is characterised in that：The evaporating, concentrating and crystallizing dress
It is set to multi-effect evaporator.
8. a kind of heavy metal waste water treatment system according to claim 1, it is characterised in that：It is flowed to by waste water, the pH
Be equipped with wastewater equalization pond before regulating reservoir, the evaporating, concentrating and crystallizing device is equipped with condensation-water drain, the condensation-water drain with
The water inlet of wastewater equalization pond is connected to.
9. a kind of heavy metal waste water treatment system according to claim 1, it is characterised in that：It is flowed to by waste water, it is described heavy
Readjustment pond is equipped between shallow lake pond and the biochemical treatment system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721610774.1U CN207958056U (en) | 2017-11-27 | 2017-11-27 | A kind of heavy metal waste water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201721610774.1U CN207958056U (en) | 2017-11-27 | 2017-11-27 | A kind of heavy metal waste water treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108017230A (en) * | 2017-11-27 | 2018-05-11 | 广东莞绿环保工程有限公司 | A kind of heavy metal waste water treatment system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108017230A (en) * | 2017-11-27 | 2018-05-11 | 广东莞绿环保工程有限公司 | A kind of heavy metal waste water treatment system and method |
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