CN207775032U - Electroplating wastewater zero processing unit - Google Patents
Electroplating wastewater zero processing unit Download PDFInfo
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- CN207775032U CN207775032U CN201721926449.6U CN201721926449U CN207775032U CN 207775032 U CN207775032 U CN 207775032U CN 201721926449 U CN201721926449 U CN 201721926449U CN 207775032 U CN207775032 U CN 207775032U
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Abstract
The utility model is related to field of industrial waste water treatment,Specifically a kind of electroplating wastewater zero processing unit,Including regulating reservoir,Regulating reservoir connects micro-electrolysis device by the first booster pump,Micro-electrolysis device connects the first water tank,First water tank connects the second booster pump,Second booster pump connects removing heavy metals system,Removing heavy metals system connects third booster pump,Third booster pump connects biochemical system,Biochemical system connects flat ceramic membrane cisterna,Flat ceramic membrane cisterna top connects suction pump,Suction pump connects counter-infiltration system,Counter-infiltration system concentrated water output end connects reaction chamber,Lye is equipped in reaction chamber,Reaction chamber connects tubular ceramic membrane pond by the 4th booster pump,Tubular ceramic membrane cisterna output end connects the second water tank,Second water tank connects secondary film concentrator by the 5th booster pump,Secondary film concentrator concentrated water output end connects vapo(u)rization system.The utility model realizes the zero-emission of electroplating wastewater.
Description
Technical field
The utility model is related to field of industrial waste water treatment, specifically a kind of electroplating wastewater zero processing unit.
Background technology
Electroplating wastewater refers to the draining of technique productions and cleaning plating piece in electroplating process.Electroplating wastewater is in acidity, and PH is on 2 left sides
The right side includes organic matter and heavy metal, and biochemical is poor, and B/C is acid strong than 0.1 or so, and salt content is high, containing each heavy metal species,
Biochemical is poor, becomes the difficult point of wastewater treatment.
Traditional method is that electroplating wastewater is added alkali neutralization, then removes heavy metal, is emitted into sewage treatment plant.With ring
Guaranteed request it is stringent, parcel plating enterprise relocation is to far from urban district, and because that can not access sewage network, environment receiving is limited, it is desirable that
For sewage zero-discharge.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of existing technologies, and provides a kind of electroplating wastewater zero
Processing unit.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution：
A kind of electroplating wastewater zero processing unit, including regulating reservoir, regulating reservoir connect light electrolysis by the first booster pump
Device, micro-electrolysis device connect the first water tank, and the first water tank connects the second booster pump, and the second supercharging pump output terminal connection is except a huge sum of money
Category system, removing heavy metals system bottom output end connect third booster pump, and third booster pump connects biochemical system, and biochemical system is defeated
Outlet connects flat ceramic membrane cisterna, and flat ceramic membrane cisterna top connects suction pump, and suction pump output terminal connects counter-infiltration system, instead
Osmosis system concentrated water output end connects reaction chamber, and lye is equipped in reaction chamber, and reaction chamber connects tubular type by the 4th booster pump and makes pottery
Porcelain membrane cisterna, tubular ceramic membrane cisterna output end connect the second water tank, and the second water tank connects secondary film concentration by the 5th booster pump and sets
Standby, secondary film concentrator concentrated water output end connects vapo(u)rization system.
The micro-electrolysis device is iron carbon filler in a fixed container.
Flat ceramic membrane material is one kind in aluminium oxide, zirconium oxide or silicon carbide.
Ceramic membrane working method is inner pressed or external-compression type.
The form that ceramic membrane filters liquid is cross-current flow or dead-end filtration mode.
Between ceramic membrane filtering accuracy is 0.01 μm to 5 μm.
The material of tubular ceramic membrane is one kind in aluminium oxide, zirconium oxide or silicon carbide.
The cross-flow rate of circulating flow of tubular ceramic membrane is between -5 meter per second of 1 meter per second.
Secondary film concentrator refers to reverse osmosis or electrodialysis plant.
The advantageous effect that the utility model is reached is：
The utility model realizes the zero-emission of electroplating wastewater.
The utility model can effectively remove COD in waste water, and the total amount of waste water is greatly reduced：
For the COD in removal waste water, the method being combined with biochemistry using light electrolysis, light electrolysis can remove 20% or more
COD, biochemical can be improved to B/C ratios 0.3 or more, PH can be improved to 7 or so, saved caustic dosage, reduce
Salt content in water, then with Wastewater by Biochemical Treatment, COD can be down to 100 or less；
To reduce the total amount of waste water, the first step uses ceramic membrane with the reverse osmosis method being combined, can be by waste water
4 times of concentration or more.Second step can be further dense by concentrated water using the method that tubular ceramic membrane is combined with secondary film concentrator
4 times of contracting or more, total cycles of concentration can reach 20 times or more.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the utility model；
In figure：1- regulating reservoirs, the first booster pumps of 2-, 3- micro-electrolysis devices, the first water tanks of 4-, the second booster pumps of 5-, 6- are removed
Heavy metal system, 7- third booster pumps, 8- biochemical systems, 9- flat ceramic membrane cisternas, 10- suction pumps, 11- counter-infiltration systems, 12-
Reaction chamber, the 4th booster pumps of 13-, 14- tubular ceramic membrane cisternas, the second water tanks of 15-, the 5th booster pumps of 16-, bis- film concentrations of 17-
Equipment, 18- vapo(u)rization systems.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Specific embodiment 1：
As shown in Figure 1, a kind of electroplating wastewater zero processing unit, including regulating reservoir 1, regulating reservoir 1 pass through the first supercharging
2 connection micro-electrolysis device 3 of pump, micro-electrolysis device 3 is iron carbon filler in a fixed container.Micro-electrolysis device 3 connects
First water tank 4, the first water tank 4 connect the second booster pump 5, and 5 output end of the second booster pump connects removing heavy metals system 6.Except a huge sum of money
6 bottom output end connection third booster pump 7 of category system, third booster pump 7 connects biochemical system 8.8 output end of biochemical system connects
Flat ceramic membrane cisterna 9,9 top of flat ceramic membrane cisterna connect suction pump 10, and 10 output end of suction pump connects counter-infiltration system 11.Instead
11 concentrated water output end of osmosis system connects reaction chamber 12, is equipped with lye in reaction chamber 12, reaction chamber 12 passes through the 4th booster pump 13
Tubular ceramic membrane pond 14 is connected, 14 output end of tubular ceramic membrane cisterna connects the second water tank 15, and the second water tank 15 passes through the 5th supercharging
The 16 secondary film concentrator 17 of connection of pump, 17 concentrated water output end of secondary film concentrator connect vapo(u)rization system 18.
Flat ceramic membrane material is aluminium oxide；Ceramic membrane working method is inner pressed；Ceramic membrane filters liquid
Form be cross-current flow；Between ceramic membrane filtering accuracy is 0.01 μm to 5 μm.
The material of tubular ceramic membrane is aluminium oxide；The cross-flow rate of circulating flow of tubular ceramic membrane is between -5 meter per second of 1 meter per second.
Secondary film concentrator 17 selects reverse osmosis or electrodialysis plant.
The workflow of the utility model is：
Electroplating wastewater is collected into regulating reservoir 1 first, waste water COD after mixing is 1105, PH 1.43, and conductivity is
17ms/cm。
Waste water is sent into micro-electrolysis device 3 through the first booster pump 2, after the processing of micro-electrolysis device 3, COD 833, PH are
7.43, conductivity 15ms/cm.Enter the first water tank 4 by micro-electrolysis device treated waste water, is sent through the second booster pump 5
Enter removing heavy metals system 6, waste water removes enters biochemical system 8 after heavy metal through third booster pump 7, useless after biochemical treatment
Water COD is 92.06, conductivity 14.73ms/cm, PH 7.29.
Waste water by biochemical treatment flows into ceramic membrane pond 9, by suction pump 10 by water after flat ceramic membrane filtration
It is sent into counter-infiltration system 11, by 11 filtered fresh water reuse of counter-infiltration system, concentrated water enters reaction chamber 12, set in reaction chamber
There is lye, be sent to tubular ceramic membrane cisterna 14 after adding alkali to soften through the 4th booster pump 13 and be filtered, filtered water flows to the
In two water tanks 15, it is sent to secondary film concentrator 17 by the 5th booster pump 16 and carries out thickening filtration, fresh water reuse, concentrated water enters
Vapo(u)rization system 18 finally crystallizes into solid salt, realizes wastewater zero discharge.
Claims (9)
1. a kind of electroplating wastewater zero processing unit, which is characterized in that including regulating reservoir, regulating reservoir is connected by the first booster pump
Micro-electrolysis device is connect, micro-electrolysis device connects the first water tank, and the first water tank connects the second booster pump, and the second supercharging pump output terminal connects
Removing heavy metals system is connect, removing heavy metals system bottom output end connects third booster pump, and third booster pump connects biochemical system, raw
Change system output and connect flat ceramic membrane cisterna, flat ceramic membrane cisterna top connects suction pump, and suction pump output terminal connects reverse osmosis
Permeable system, counter-infiltration system concentrated water output end connect reaction chamber, are equipped with lye in reaction chamber, reaction chamber is connected by the 4th booster pump
Take-over type ceramics membrane cisterna, tubular ceramic membrane cisterna output end connect the second water tank, and the second water tank is connected secondary by the 5th booster pump
Film concentrator, secondary film concentrator concentrated water output end connect vapo(u)rization system.
2. electroplating wastewater zero processing unit according to claim 1, which is characterized in that the micro-electrolysis device is iron
Carbon filler is in a fixed container.
3. electroplating wastewater zero processing unit according to claim 1, which is characterized in that flat ceramic membrane material is oxygen
Change one kind in aluminium, zirconium oxide or silicon carbide.
4. electroplating wastewater zero processing unit according to claim 1, which is characterized in that ceramic membrane working method
For inner pressed or external-compression type.
5. electroplating wastewater zero processing unit according to claim 1, which is characterized in that ceramic membrane filters liquid
Form be cross-current flow or dead-end filtration mode.
6. electroplating wastewater zero processing unit according to claim 1, which is characterized in that ceramic membrane filtering accuracy
Between 0.01 μm to 5 μm.
7. electroplating wastewater zero processing unit according to claim 1, which is characterized in that the material of tubular ceramic membrane is
One kind in aluminium oxide, zirconium oxide or silicon carbide.
8. electroplating wastewater zero processing unit according to claim 1, which is characterized in that the cross-flow of tubular ceramic membrane follows
Circulation speed is between -5 meter per second of 1 meter per second.
9. electroplating wastewater zero processing unit according to claim 1, which is characterized in that secondary film concentrator referred to
It is reverse osmosis or electrodialysis plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721926449.6U CN207775032U (en) | 2017-12-29 | 2017-12-29 | Electroplating wastewater zero processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721926449.6U CN207775032U (en) | 2017-12-29 | 2017-12-29 | Electroplating wastewater zero processing unit |
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| Publication Number | Publication Date |
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| CN207775032U true CN207775032U (en) | 2018-08-28 |
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| CN201721926449.6U Active CN207775032U (en) | 2017-12-29 | 2017-12-29 | Electroplating wastewater zero processing unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107963789A (en) * | 2017-12-29 | 2018-04-27 | 山东泰禾环保科技股份有限公司 | Electroplating wastewater zero treatment process and its device |
-
2017
- 2017-12-29 CN CN201721926449.6U patent/CN207775032U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107963789A (en) * | 2017-12-29 | 2018-04-27 | 山东泰禾环保科技股份有限公司 | Electroplating wastewater zero treatment process and its device |
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