CN206014571U - A kind of process complete set of equipments of the nickeliferous waste liquid of PCB factories - Google Patents
A kind of process complete set of equipments of the nickeliferous waste liquid of PCB factories Download PDFInfo
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- CN206014571U CN206014571U CN201620592239.7U CN201620592239U CN206014571U CN 206014571 U CN206014571 U CN 206014571U CN 201620592239 U CN201620592239 U CN 201620592239U CN 206014571 U CN206014571 U CN 206014571U
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Abstract
The utility model discloses a kind of process complete set of equipments of the nickeliferous waste liquid of PCB factories, the complete set of equipments includes collecting tank, three-dimensional electricity decomposer, reactive tank, pressure filter, filtrate receiver, electric flocculation groove, regulating tank, tube type filter membrance group, produces tank, ion exchange resin and elevator pump；Nickeliferous waste liquid is proceeded in collecting tank, electricity in three-dimensional electrolysis groove is proceeded to by elevator pump to decompose, to in reactive tank, allow nickel to be deposited in sludge again, sludge in reactive tank is entered filter press by sludge pump again carries out filter pressing, and filtrate enters electric flocculation groove, enters back in regulating reservoir plus alkali is adjusted, free nickel ion is precipitated, waste liquid is delivered to tubular type microfiltration module again and filters and removes nickel-containing sludge, and filtering and concentrating liquid enters flocculation sediment again in reactive tank, finally enters ion exchange resin tank process.Nickel almost all can be removed by this utility model, and except nickel effect is good, the dosing for using is few, and the sludge quantity of generation is few, simple to operate the advantages of easily realize automatization, processing procedure mild condition.
Description
Technical field
This utility model is related to a kind of processing equipment of nickeliferous waste liquid, and in particular to a kind of nickeliferous waste liquid of PCB factories.
Background technology
Chemical plating nickel technology is increasingly mature, and range of application is also more and more extensive, but nickel is a kind of poisonous heavy metal, when long
Between contact skin allergy even skin carcinoma, nickel and its compound may be caused to have stimulation to make to application on human skin mucosa and respiratory tract
With can cause tracheitiies even pneumonia, oral nickel that vomiting, diarrhoea etc., generation acute gastroenteritiss and gingivitis occur.Chemical nickel
Liquid is discharged in water and can cause substantial amounts of fish stock death, and the phosphorus in nickel liquid causes body eutrophication, aquatile to be particularly algae
Amount reproduction, destruction water body balance, water resource severe contamination.
Electroplating effluent occurs mainly with plating and PCB industries etc., and nickeliferous waste liquid processing mode has chemical precipitation method, electrolysis
The methods such as method, membrance separation, ion exchange, chemical precipitation method technical maturity, Operation cost comparison are low, but dosage is big, sludge
Processing cost is high；Electrolysis treatment effeciency is high, easy to operate, but to Hypophosphite poor processing effect, nickel process is to necessarily
During degree, electrolytic efficiency is low, and energy consumption rises；Membrance separation initial investment high cost, early stage process are complicated；Ion exchange regeneration frequency
Numerous, adsorbance is limited；High efficiency, low energy consumption, the complete set of equipments of the nickeliferous waste liquid of process simple to operate are reported seldom at present.
Utility model content
The purpose of this utility model is the process complete set of equipments for providing a kind of nickeliferous waste liquid of PCB factories, to solve current skill
The problems such as complex process, poor processing effect in art.
For reaching object above, the technical solution adopted in the utility model is, a kind of process of the nickeliferous waste liquid of PCB factories is complete
Equipment, the complete set of equipments include collecting tank, three-dimensional electricity decomposer, reactive tank, pressure filter, filtrate receiver, electric flocculation groove, regulating tank,
Tube type filter membrance group, produce tank, ion exchange resin tank and elevator pump, pH meter etc..
The nickeliferous waste liquid in workshop is proceeded in collecting tank, adds sodium chloride and adjust pH between 6 ~ 9 in collecting tank, waste liquid
Proceeded to by elevator pump and carry out in three-dimensional electrolysis groove electricity decomposition contact break, the effect for adding sodium chloride is generation chlorine in electrolytic process
And then oxidation of organic compounds and Hypophosphite, with the effect for reaching contact break and removing COD.
Waste liquid after contact break hydro-oxidation sodium, flocculant and agent of recapturing in reactive tank, allow nickel flocculation sediment in sludge,
Sludge in reactive tank is entered filter press by sludge pump again carries out filter pressing, and the filter cake outward transport after filter pressing, filtrate enter filtrate
Groove.
PH value is adjusted in filtrate receiver to 3 ~ 4, filtrate enters electric flocculation groove, in electric flocculation groove electrolytic flocculation, electric flocculation groove is used
Iron staff produces Fe as anode, electrolytic process2+, plus hydrogen peroxide is into Fenton reagent, in the presence of Fenton reagent further contact break and
Remove COD and phosphorus.
Waste liquid is entered back in regulating tank plus alkali adjusts pH to 10 ~ 12, and free nickel ion is precipitated, then will by elevator pump
Waste liquid is delivered to tubular type microfiltration module（TMF）The nickel-containing sludge removed in waste liquid is filtered, filtering and concentrating liquid is entered in reactive tank again
Secondary flocculation sediment.
Filtrate enters produces water tank regulation pH to 4 ~ 6, enters ion exchange resin tank by elevator pump, by cation-adsorption
Further micro nickel is absorbed, nickel discharge of wastewater sewage disposal system up to standard is further except dephosphorization and COD.
Described three-dimensional electrolysis, its device Anodic adopt titanium plate coating, negative electrode to adopt porous graphite, modified between two-stage
Activated carbon grain sub-electrode, big using three-dimensional electrolysis pole surface area, complex ions migration distance is reduced, concentration polarization is reduced,
Improve electrolytic efficiency high, nickeliferous waste liquid complex abolishes efficiency high, while waste liquid phosphorous acid root can be oxidized to phosphate radical,
Electrolysis can also be by part COD oxidation removals.
Described electric flocculation, is that the metal hydroxidess flocculation produced in electrolytic process using soluble metal anode is gone
Water treatment technology except pollutant in water.Generally using ferrum, its elementary process is as follows for anode material：
Anode reaction：Fe+2e → Fe2+
Cathode reaction：2H2O+2e → H2↑+2OH-
Hydrolysis：Fe2++ 2OH-→Fe(OH)2↓
Its electrolytically generated ferrous hydroxide precipitation has good flocculation, absorption property, and electric flocculation technique is using efficiently
Electrolytic flocculation is acted on, and generates the extremely strong high activity flocculation group of adsorptivity, for non-solubility macromolecule organic has preferably
Removal effect, can effectively remove nickel waste liquid complex and macromolecule organic.
Tube type filter membrance (the TMF）, its membrane module employ uniqueness compound film tube：Its pvdf membrane can admirably with
PVDF support inside pipe walls are crosslinked in PE support inside pipe walls and support tube forms powerful combination, and film can not only be removed and seem dense
Turbid suspended solid, fiber etc., while antibacterial and some macromolecular substances can be removed, comparing with general film has the use longevity of film
Life length, filtering accuracy are high, and the pressure loss is less, and anti-soil blocks up the advantages of ability is strong, and mechanical strength is big.
This utility model is a kind of process complete set of equipments of the nickeliferous waste liquid of PCB factories, will be contained using three-dimensional electrolysis and electric flocculation
In nickel waste liquid, complex is thoroughly abolished and flocculation sediment, adds hydrogen peroxide to remove part COD and phosphorus in waste liquid after electric flocculation；Pass through
Tubular type microfiltration module（TMF）Nickel-containing sludge is separated by filtration, waste water finally enters resin cation exchange and removes containing micro
Nickel ion is absorbed, it is ensured that the water of discharge does not contain nickel.Nickel almost all can be removed by this complete set of equipments, and COD is removed
60%, phosphorus ligands 80%, compared to tradition except nickel technological effect is good, the dosing for using is few, and the sludge quantity of generation is few, operation letter
The advantages of list easily realizes automatization, processing procedure mild condition.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Wherein：1- collecting tanks；2- three-dimensional electrolysis grooves；3- reactive tanks；4- filter press；5- filtrate receivers；6- electric flocculation grooves；
7- regulating tanks；8- tube type filter membrance groups；9- produces tank；10- ion exchange resin tanks.
Specific embodiment
By describing architectural feature, technological means and the purpose that realizes and the effect of the present invention in detail, below in conjunction with reality
Apply mode and coordinate accompanying drawing to be described in detail.
The nickeliferous waste liquid in workshop is proceeded in 1 collecting tank, is added sodium chloride and is adjusted pH between 6 ~ 9, give up in 1 collecting tank
Liquid is proceeded to by elevator pump carries out electricity decomposition contact break in 2 three-dimensional electrolysis grooves, the effect for adding sodium chloride is produced in electrolytic process
Chlorine and then oxidation of organic compounds and Hypophosphite, with the effect for reaching contact break and removing COD；
Waste liquid after contact break hydro-oxidation sodium, flocculant and agent of recapturing in 3 reactive tanks, allow nickel flocculation sediment to sludge
In, then sludge in 3 reactive tanks is entered by 4 filter press by sludge pump carry out filter pressing, the filter cake outward transport after filter pressing, filtrate are entered
5 filtrate receivers；
PH value is adjusted in 5 filtrate receivers to 3 ~ 4, and filtrate enters 6 electric flocculation grooves, in 6 electric flocculation groove iron staffs as anode,
Electrolytic process produces Fe2+, plus hydrogen peroxide formation Fenton reagent, further contact break and removing COD and phosphorus in the presence of Fenton reagent；
Waste liquid is entered back in 7 regulating tanks plus alkali adjusts pH to 10 ~ 12, and free nickel ion is precipitated, then passes through elevator pump
Waste liquid is delivered to 8 tubular type microfiltration modules（TMF）The nickel-containing sludge removed in waste liquid is filtered, filtering and concentrating liquid enters 3 reactive tanks
In flocculation sediment again.
Filtrate enters 9 and produces tank regulation pH to 4 ~ 6, enters 10 ion exchange resin tanks by elevator pump, by cation
Micro nickel is further absorbed by absorption, and nickel discharge of wastewater sewage disposal system up to standard is further except dephosphorization and COD.
The three-dimensional electrolysis, its device Anodic adopt titanium plate coating, negative electrode to adopt porous graphite, modified living between two-stage
Property carbon granule sub-electrode, big using three-dimensional electrolysis pole surface area, reduce complex ions migration distance, reduce concentration polarization, carry
High electrolytic efficiency is high, and nickeliferous waste liquid complex abolishes efficiency high, while waste liquid phosphorous acid root can be oxidized to phosphate radical, electricity
Solution can also be by part COD oxidation removals.
The electric flocculation, is that the metal hydroxidess flocculation produced in electrolytic process using soluble metal anode is removed
The water treatment technology of pollutant in water.Generally using ferrum, its elementary process is as follows for anode material：
Anode reaction：Fe+2e → Fe2+
Cathode reaction：2H2O+2e → H2↑+2OH-
Hydrolysis：Fe2++ 2OH-→Fe(OH)2↓
Its electrolytically generated ferrous hydroxide precipitation has good flocculation, absorption property, and electric flocculation technique is using efficiently
Electrolytic flocculation is acted on, and generates the extremely strong high activity flocculation group of adsorptivity, for non-solubility macromolecule organic has preferably
Removal effect, can effectively remove nickel waste liquid complex and macromolecule organic.
Tube type filter membrance (the TMF）, its membrane module employ uniqueness compound film tube：Its pvdf membrane can admirably with
PVDF support inside pipe walls are crosslinked in PE support inside pipe walls and support tube forms powerful combination, and film can not only be removed and seem dense
Turbid suspended solid, fiber etc., while antibacterial and some macromolecular substances can be removed, comparing with general film has the use longevity of film
Life length, filtering accuracy are high, and the pressure loss is less, and anti-soil blocks up the advantages of ability is strong, and mechanical strength is big.
This utility model is a kind of process complete set of equipments of the nickeliferous waste liquid of PCB factories, will be contained using three-dimensional electrolysis and electric flocculation
In nickel waste liquid, complex is thoroughly abolished and flocculation sediment, adds hydrogen peroxide to remove part COD and phosphorus in waste liquid after electric flocculation；Pass through
Tubular type microfiltration module（TMF）Nickel-containing sludge is separated by filtration, waste water finally enters resin cation exchange and removes containing micro
Nickel ion is absorbed, it is ensured that the water of discharge does not contain nickel.Nickel almost all can be removed by this complete set of equipments, and COD is removed
60%, phosphorus ligands 80%, compared to tradition except nickel technological effect is good, the dosing for using is few, and the sludge quantity of generation is few, operation letter
The advantages of list easily realizes automatization, processing procedure mild condition.
Embodiments of the invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited.Every using this
The conversion of the made structure of bright and accompanying drawing content, material and purposes, is included within the scope of the present invention.
Claims (1)
1. the process complete set of equipments of the nickeliferous waste liquid of a kind of PCB factories, it is characterised in that the complete set of equipments includes collecting tank, three-dimensional electricity
Decomposer, reactive tank, pressure filter, filtrate receiver, electric flocculation groove, regulating tank, tube type filter membrance group, product tank, ion exchange resin
Tank and elevator pump, pH meter；The nickeliferous waste liquid in workshop is proceeded in collecting tank, adds sodium chloride medicament, waste liquid to pass through in collecting tank
Elevator pump is proceeded to, using three-dimensional electrolysis by Complexes In Solution elder generation contact break；Useless after contact break
Liquid hydro-oxidation sodium, flocculant and agent of recapturing in reactive tank, allow nickel to be deposited in sludge, then by sludge pump by reactive tank
Sludge enters filter press carries out filter pressing, and the filter cake outward transport after filter pressing, filtrate enter filtrate receiver；In filtrate receiver, pH value is to 3 ~ 4
Filtrate enter electric flocculation groove, in electric flocculation groove electrolytic flocculation, add Fenton reagent, further contact break and remove COD and phosphorus；Useless
Liquid is entered back in regulating tank plus alkali adjusts pH to 10 ~ 12, free nickel ion is precipitated, then is delivered to waste liquid by elevator pump
Tubular type microfiltration module filters the nickel-containing sludge removed in waste liquid, and filtering and concentrating liquid enters flocculation sediment again in reactive tank；Filtrate
Enter and produce water tank regulation pH to 4 ~ 6, ion exchange resin tank is entered by elevator pump, further will be micro by ion exchange
Nickel is absorbed, and nickel discharge of wastewater sewage disposal system up to standard is further except dephosphorization and COD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620592239.7U CN206014571U (en) | 2016-06-17 | 2016-06-17 | A kind of process complete set of equipments of the nickeliferous waste liquid of PCB factories |
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|---|---|---|---|
| CN201620592239.7U CN206014571U (en) | 2016-06-17 | 2016-06-17 | A kind of process complete set of equipments of the nickeliferous waste liquid of PCB factories |
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| CN206014571U true CN206014571U (en) | 2017-03-15 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108409003A (en) * | 2018-04-04 | 2018-08-17 | 深圳市深投环保科技有限公司 | The processing method and system of salt-containing organic wastewater after the recycling of PCB waste water copper |
| CN108545870A (en) * | 2018-06-20 | 2018-09-18 | 东莞汇金环境科技有限公司 | A kind of plastic cement electroplating comprehensive waste water processing system and its processing method |
| CN108609810A (en) * | 2018-06-07 | 2018-10-02 | 江苏善鼎环保科技有限公司 | A kind of processing method and its processing system of chemistry nickel waste water |
| CN109607859A (en) * | 2018-12-21 | 2019-04-12 | 上海同济建设科技股份有限公司 | A kind of synthesis class pharmacy waste water complexing nickel treatment process |
| CN110117108A (en) * | 2019-06-14 | 2019-08-13 | 佛山市华意陶瓷颜料有限公司 | A kind of processing method of high concentration cadmium wastewater |
| CN111410345A (en) * | 2020-04-20 | 2020-07-14 | 深圳市世清环保科技有限公司 | Method and system for treating comprehensive wastewater generated by anodic oxidation process |
| CN113668016A (en) * | 2021-07-13 | 2021-11-19 | 北京化工大学 | Method for recovering metallic lead by solid-phase electrolytic reduction and electrolytic cell with pressure filtration type plate frame |
-
2016
- 2016-06-17 CN CN201620592239.7U patent/CN206014571U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108409003A (en) * | 2018-04-04 | 2018-08-17 | 深圳市深投环保科技有限公司 | The processing method and system of salt-containing organic wastewater after the recycling of PCB waste water copper |
| CN108609810A (en) * | 2018-06-07 | 2018-10-02 | 江苏善鼎环保科技有限公司 | A kind of processing method and its processing system of chemistry nickel waste water |
| CN108545870A (en) * | 2018-06-20 | 2018-09-18 | 东莞汇金环境科技有限公司 | A kind of plastic cement electroplating comprehensive waste water processing system and its processing method |
| CN109607859A (en) * | 2018-12-21 | 2019-04-12 | 上海同济建设科技股份有限公司 | A kind of synthesis class pharmacy waste water complexing nickel treatment process |
| CN110117108A (en) * | 2019-06-14 | 2019-08-13 | 佛山市华意陶瓷颜料有限公司 | A kind of processing method of high concentration cadmium wastewater |
| CN111410345A (en) * | 2020-04-20 | 2020-07-14 | 深圳市世清环保科技有限公司 | Method and system for treating comprehensive wastewater generated by anodic oxidation process |
| CN113668016A (en) * | 2021-07-13 | 2021-11-19 | 北京化工大学 | Method for recovering metallic lead by solid-phase electrolytic reduction and electrolytic cell with pressure filtration type plate frame |
| CN113668016B (en) * | 2021-07-13 | 2023-01-24 | 北京化工大学 | Method for recovering metallic lead by solid-phase electrolytic reduction and electrolytic cell with pressure filtration type plate frame |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200416 Address after: 343100 No. 281 Jingjiu Avenue, Jinggangshan Economic and Technological Development Zone, Ji'an City, Jiangxi Province Patentee after: RED BOARD (JIANGXI) Co.,Ltd. Address before: 343100 Jinggangshan Jiangxi economic and Technological Development Zone Export Processing Zone Patentee before: JI'AN JUNTU TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 281, Jingjiu Avenue, Jinggangshan economic and Technological Development Zone, Ji'an City, Jiangxi Province 343100 Patentee after: Jiangxi hongban Technology Co.,Ltd. Address before: No. 281, Jingjiu Avenue, Jinggangshan economic and Technological Development Zone, Ji'an City, Jiangxi Province 343100 Patentee before: RED BOARD (JIANGXI) Co.,Ltd. |