CN106145444A - A kind of heavy metal-polluted water treatment system - Google Patents
A kind of heavy metal-polluted water treatment system Download PDFInfo
- Publication number
- CN106145444A CN106145444A CN201610623722.1A CN201610623722A CN106145444A CN 106145444 A CN106145444 A CN 106145444A CN 201610623722 A CN201610623722 A CN 201610623722A CN 106145444 A CN106145444 A CN 106145444A
- Authority
- CN
- China
- Prior art keywords
- heavy metal
- tank
- water treatment
- treatment system
- polluted water
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 238000005345 coagulation Methods 0.000 claims abstract description 16
- 230000015271 coagulation Effects 0.000 claims abstract description 16
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 15
- 238000005189 flocculation Methods 0.000 claims abstract description 14
- 230000016615 flocculation Effects 0.000 claims abstract description 14
- 238000011084 recovery Methods 0.000 claims abstract description 11
- 238000001471 micro-filtration Methods 0.000 claims abstract description 7
- 239000012528 membrane Substances 0.000 claims abstract description 6
- 239000006148 magnetic separator Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 239000010865 sewage Substances 0.000 abstract description 15
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 14
- 230000007423 decrease Effects 0.000 abstract description 3
- 239000002352 surface water Substances 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 150000002736 metal compounds Chemical class 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000002906 microbiologic effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000001828 Gelatine Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000001079 digestive effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical class O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention discloses a kind of heavy metal-polluted water treatment system, include neutralization pond, coagulation reaction tank, flocculation tank, separate tank and recovery system successively, described neutralization pond, coagulation reaction tank are provided with agitator and measuring pump, the bottom of described neutralization pond is connected with coagulation reaction tank, described separate tank is provided with baffle plate, described baffle plate is provided with microfiltration membranes, and the top of described separate tank is provided with drainpipe, and the bottom of described separate tank is connected with recovery system by screw rod conveyor.The heavy metal-polluted water treatment system of the present invention.Improve heavy metal removing rate in sewage, improve discharge water reach the above standard of surface water V class, decrease mud discharging, it is achieved operate continuously, automate, install convenient, take up an area less, low cost.
Description
Technical field
The present invention relates to field of sewage treatment equipment, particularly relate to a kind of heavy metal-polluted water treatment system.
Background technology
Sewage has the heavy metals such as a lot of copper, iron, zinc, magnesium, they or be dissolved in sewage, or be suspended in sewage
In.Traditional effluent purification method is to first pass through filtration or flocculation, and the suspended material in sewage is removed, then dirty by activity again
Mud method, water spray considers bed process, and the microbial treatment method such as anaerobism is made a return journey the dissolved matter in decontamination water.Remove suspended material general
The flocculant selected is the inorganic flocculating agents such as aluminum sulfate, ferric sulfate, ferrous sulfate, or polyacrylamide, aluminium polychloride etc.
High polymer coagulant.These flocculants can remove the suspended material in sewage effectively, but can not remove deliquescent dirt
Dye thing.Deliquescent pollutant can be removed by the method for microorganism, but microbial treatment method has limitation very much, need to adjust
Save the conditions such as pH, temperature, dissolved oxygen amount.Further, polluter is the nutrient of microorganism, and the amount of nutrient is too much all can shadow or very few
Ring the purified treatment ability of microorganism.Other salt content or the too much sewage of oil content will also result in microbiological treatment rate fall
Low, it is necessary to pre-process.In order to maintain these treatment conditions, microbial treatment method needs adjustment tank, aeration tank, stillpot,
Mud send-back system, the equipment such as digestive shelf.In order to install these equipment, need very big floor space.Microbiological treatment in a word
Need various operating cost and the higher costs of investment such as medicament expense, personal services, the electricity charge.Use the micro-of activated sludge process
Although biological treatment can remove a part of heavy metal, but the mud producing can shine into secondary pollution problems.
Content of the invention
The technical problem to be solved in the present invention is that the technical problem existing for prior art, and the present invention provides one
Kind floor space is little, low cost, the heavy metal-polluted water treatment system not resulting in secondary pollution.
For solving above-mentioned technical problem, the technical scheme that the present invention proposes is:
A kind of heavy metal-polluted water treatment system, include successively neutralization pond, coagulation reaction tank, flocculation tank, separate tank with
And recovery system, described neutralization pond, coagulation reaction tank are provided with agitator and measuring pump, the bottom of described neutralization pond and coagulating
Pond connects, and is provided with baffle plate in described separate tank, and described baffle plate is provided with microfiltration membranes, and the top of described separate tank is provided with drainpipe,
The bottom of described separate tank is connected with recovery system by screw rod conveyor.
It is as a further improvement on the present invention:
Described drainpipe is connected with filter.
Described recovery system includes magnetic separator and forcing press.
Being provided with agitator in described separate tank, described separate tank is connected with magnetic separator.
All of connection pipeline is equipped with valve.
Described flocculation tank and separate tank are provided with image capture device.
Compared with prior art, it is an advantage of the current invention that:
The heavy metal-polluted water treatment system of the present invention, by putting into flocculation aid, magnetic agent etc. in sewage, utilizes and neutralizes
Pond, coagulation reaction tank, flocculation tank and separate tank, be that in sewage, the heavy metal in dissolved state is changed into by chemical reaction
Water-fast heavy metal compound, then make sediment remove from the aqueous solution by filtration and separation, solve heavy metal to ring
The harm in border.The isolated heavy metal compound of the present invention can reclaim and isolate heavy metal again, and magnetic agent can be with Reusability.
The present invention improves heavy metal removing rate in sewage, improves discharge water and reaches the above standard of surface water V class, decreases mud row
Put, it is achieved operate continuously, automate, install convenient, take up an area less, low cost.
Brief description
Fig. 1 is the structural representation of the present invention.
Marginal data:
1st, neutralization pond；2nd, coagulation reaction tank；3rd, flocculation tank；4th, separate tank；41st, baffle plate；42nd, microfiltration membranes；43rd, draining
Pipe；44th, screw rod conveyor；45th, storage area；46th, metal area；5th, recovery system；6th, agitator；7th, measuring pump；8th, filter.
Detailed description of the invention
Below in conjunction with Figure of description and concrete preferred embodiment, the invention will be further described, but not therefore and
Limit the scope of the invention.
As it is shown in figure 1, the heavy metal-polluted water treatment system of the present embodiment, include that the 2nd, neutralization pond the 1st, coagulation reaction tank wads a quilt with cotton successively
Solidifying reaction tank the 3rd, separate tank 4 and recovery system 5, neutralization pond the 1st, coagulation reaction tank 2 is provided with agitator 6 and measuring pump 7.Neutralization pond
The bottom of 1 is connected with coagulation reaction tank 2, is provided with agitator 6 in separate tank 4.Being provided with baffle plate 41 in separate tank 4, baffle plate 41 will divide
It is divided into storage area 45 and metal area 46 from pond.Baffle plate 41 is provided with microfiltration membranes 42, and the top of separate tank 4 is provided with drainpipe 43, row
Water pipe 43 is connected with filter 8.Recovery system 5 includes magnetic separator and forcing press, and screw rod conveyor is passed through in the bottom of separate tank 4
44 are connected with magnetic separator.All of connection pipeline is equipped with valve.The present invention improves heavy metal removing rate in sewage, promotes
Discharge water reaches the above standard of surface water V class, decreases mud discharging, it is achieved operate continuously, automate, install convenient, account for
Ground less, low cost.
In the present embodiment, flocculation tank 3 and separate tank 4 are provided with image capture device.
The heavy metal-polluted water treatment system of the present invention, the course of work is as follows:
Sewage enters neutralization pond 1, and the measuring pump 7 in neutralization pond 1 is conveyed into highly basic, is stirred with agitator 6 simultaneously, stirs
Coagulation reaction tank 2 is entered after mixing uniformly.Measuring pump 7 in coagulation reaction tank 2 adds flocculation aid and magnetic in coagulation reaction tank 2
Agent, is stirred by agitator 6 simultaneously, and the sewage after stirring enters flocculation tank 3, is in dissolved form in sewage by chemical reaction
The heavy metal of state is changed into water-fast heavy metal compound.Flocculation aid can select polyacrylamide, activated silicic acid, gelatine
Deng magnetic agent employing Nanoscale Iron ceramic particle.Enter separate tank 4 after reaction fully to separate, the used micro-filtration of the water after separation
Film 42 enters storage area 45, can not pass through microfiltration membranes 42 in cotton-shaped heavy metal compound, stay metal area 46.After separation
Water enters filter 8 by drainpipe 43, the discharge up to standard of the water after filtration.Pass through screw rod transmission in cotton-shaped heavy metal compound
Machine 44 enters magnetic separator and separates, then is discharged by forcing press press filtration.
Image capture device in flocculation tank 3 and separate tank 4 can monitor response situation and separating effect in real time, with
Just it is adjusted.
Above-mentioned simply presently preferred embodiments of the present invention, not makees any pro forma restriction to the present invention.Although the present invention
Disclosed above with preferred embodiment, but it is not limited to the present invention.Therefore, every without departing from technical solution of the present invention
Content, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should fall
In the range of technical solution of the present invention protection.
Claims (6)
1. a heavy metal-polluted water treatment system, it is characterised in that: include neutralization pond (1), coagulation reaction tank (2), flocculation successively
Reaction tank (3), separate tank (4) and recovery system (5), described neutralization pond (1), coagulation reaction tank (2) be provided with agitator (6) and
Measuring pump (7), the bottom of described neutralization pond (1) is connected with coagulation reaction tank (2), is provided with baffle plate (41) in described separate tank (4),
Described baffle plate (41) is provided with microfiltration membranes (42), and the top of described separate tank (4) is provided with drainpipe (43), described separate tank (4)
Bottom be connected with recovery system (5) by screw rod conveyor (44).
2. heavy metal-polluted water treatment system according to claim 1, it is characterised in that: described drainpipe (43) and filter
(8) connect.
3. heavy metal-polluted water treatment system according to claim 1, it is characterised in that: described recovery system (5) includes magnetic
Seperator and forcing press.
4. heavy metal-polluted water treatment system according to claim 3, it is characterised in that: it is provided with in described separate tank (4) and stir
Mixing device (6), described separate tank (4) is connected with magnetic separator.
5. heavy metal-polluted water treatment system according to claim 1, it is characterised in that: all of connection pipeline is equipped with valve
Door.
6. heavy metal-polluted water treatment system according to claim 1, it is characterised in that: described flocculation tank (3) and point
It is provided with image capture device from pond (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610623722.1A CN106145444A (en) | 2016-07-26 | 2016-07-26 | A kind of heavy metal-polluted water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610623722.1A CN106145444A (en) | 2016-07-26 | 2016-07-26 | A kind of heavy metal-polluted water treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106145444A true CN106145444A (en) | 2016-11-23 |
Family
ID=57328496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610623722.1A Pending CN106145444A (en) | 2016-07-26 | 2016-07-26 | A kind of heavy metal-polluted water treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106145444A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106396203A (en) * | 2016-12-08 | 2017-02-15 | 青岛云峰环保科技有限公司 | Sewage treatment system and sewage treatment method |
| CN107244774A (en) * | 2017-06-27 | 2017-10-13 | 广东工业大学 | A kind of purifier and its implementation |
| CN108706767A (en) * | 2018-05-31 | 2018-10-26 | 江苏天航水处理有限公司 | Heavy metal-polluted water process reaction unit |
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161123 |
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| RJ01 | Rejection of invention patent application after publication |