CN204958615U - Electroplate waste water's processing system - Google Patents
Electroplate waste water's processing system Download PDFInfo
- Publication number
- CN204958615U CN204958615U CN201520737129.0U CN201520737129U CN204958615U CN 204958615 U CN204958615 U CN 204958615U CN 201520737129 U CN201520737129 U CN 201520737129U CN 204958615 U CN204958615 U CN 204958615U
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- Prior art keywords
- reaction pond
- tank
- oxidizing reaction
- waste water
- water
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses an electroplate waste water's processing system, including the equalizing basin, the oxidation reaction pond, thoughtlessly congeal reaction tank and coagulating sedimentation tank, be provided with water inlet and delivery port on the equalizing basin, the water inlet in oxidation reaction pond and the delivery port of equalizing basin intercommunication thoughtlessly congeals the water inlet of reaction tank and the delivery port intercommunication in oxidation reaction pond, and coagulating sedimentation tank's water inlet and the delivery port intercommunication that thoughtlessly congeals the reaction tank still are provided with agitating unit and ultraviolet lamp on the oxidation reaction pond, and in this ultraviolet lamp stretched into the oxidation reaction pond, the top in oxidation reaction pond was provided with that the hydrogen peroxide solution adds mouthful, ferrous sulfate adds mouthful and the pH regulator solution adds the mouth, the top of thoughtlessly congealing the reaction tank is provided with PAC interpolation mouth, PAM interpolation mouth and pH regulator solution and adds the mouth. This processing system can high -efficient stable processing electroplate waste water, and discharge to reach standard can be stabilized to the play water after handling.
Description
Technical field
The utility model relates to a kind for the treatment of system and treatment process of waste water, refers to a kind for the treatment of system and treatment process thereof of Electroplating Production waste water especially.
Background technology
Printed circuit board (PrintedCircuitBoard is called for short PCB) is the substrate of assembling electronic component, is the printed board forming connection and printed element between point on general base material by predetermined design.The major function of this product is the connection making various electronic components form predetermining circuit, and playing relay transmission, is the critical electronic interconnects of electronic product.The quality bills of materials of printed circuit board, not only directly affects the reliability of electronic product, and influential system Total Product competitive power, and therefore printed circuit board is called as " mother of electronic system product ".The developmental level of printed circuit board industry can reflect tempo and the technical level of a country electronic industry to a certain extent
PCB can be divided into rigid plate, flexible sheet and rigid-flex combined board according to its structure, structure; Single sided board, dual platen and multi-ply wood is divided into according to the schematic circuit number of plies.There is certain difference in single sided board, dual platen and multiple-plate production technique, wherein complicated with multi-ply wood technical process, the production process of PCB multilayer board relates to the different process procedure of 20 multiple tracks, electro-coppering wherein and electronickelling/gold are then the core link of printed circuit board processing, play vital effect to the quality of end product quality.Electro-coppering and electronickelling/golden link are all utilize electrolytic process in the principle of substrate surface formation of deposits coating, form the copper coating, nickel coating and the gold plate that meet difference in functionality demand at substrate surface.As the electroplating liquid medicine of one of plating three elements, the quality of its quality directly determines the quality of substrate coating.Typical PCB electroplating liquid medicine factory effluent is a kind of Fine Chemistry Wastewater containing complex state heavy metal and hardly degraded organic substance, its main inorganic components comprises acid, phosphoric acid salt (comprising hypophosphite, phosphite), copper and nickel (existing with complex state) etc., and main organic composition comprises EDTA, monobutyl ether and aldehydes etc.
The prevailing technology of current domestic such waste water of process first after adopting conventional chemical oxidation style contact break pre-treatment, is utilizing chemical precipitation method removal heavy metal pollutent, and then utilize the organic pollutant in biological treatment removal waste water.Right above-mentioned treatment process exists that operational path is long, the treatment time is long, handling procedure is complicated, cannot thoroughly contact break, poor processing effect and unstable.
Utility model content
Technical problem to be solved in the utility model is: the treatment system providing a kind of Electroplating Production waste water, and this treatment system can the process Electroplating Production waste water of efficient stable, and water outlet after treatment can stably reaching standard discharge.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind for the treatment of system of Electroplating Production waste water, comprise equalizing tank, oxidizing reaction pond, coagulation reaction tank and coagulative precipitation tank, described equalizing tank is provided with water-in and water outlet, the described water-in in oxidizing reaction pond is communicated with the water outlet of equalizing tank, the water-in of coagulation reaction tank is communicated with the water outlet in oxidizing reaction pond, the water-in of coagulative precipitation tank is communicated with the water outlet of coagulation reaction tank, oxidizing reaction pond is also provided with whipping appts and ultraviolet lamp, this ultraviolet lamp stretches in oxidizing reaction pond, the top in oxidizing reaction pond is provided with hydrogen peroxide and adds mouth, ferrous sulfate adds mouth and pH regulator liquid adds mouth, the top of described coagulation reaction tank is provided with PAC and adds mouth, PAM adds mouth and pH regulator liquid adds mouth.
As the preferred scheme of one, the whipping appts in described oxidizing reaction pond comprises the aeration tube at the bottom of the pond extending into oxidizing reaction pond, and this aeration tube is communicated with airing system.
As the preferred scheme of one, described ultraviolet lamp comprises the lamp socket at the top being fixed on oxidizing reaction pond, this lamp socket is provided with the fluorescent tube of the bottom vertically extending to oxidizing reaction pond, and this ultraviolet lamp is connected with power supply system.
As the preferred scheme of one, described coagulation reaction tank is also rotatablely equipped with stir shaft, this stir shaft drives by stirring power set, and this stir shaft is fixed with agitating vane.
As the preferred scheme of one, be provided with pH value Real time displaying instrument and ORP Real time displaying instrument in described oxidizing reaction pond, described coagulation reaction tank be provided with pH value Real time displaying instrument.
As the preferred scheme of one, in described coagulative precipitation tank, be also provided with inclined tube filler.
The utility model provides a kind for the treatment of process of Electroplating Production waste water in addition, comprises the following steps:
A. by Electroplating Production wastewater collection in equalizing tank, the composition controlling Electroplating Production waste water makes its COD
crconcentration is 3200-4800mg/L, TP concentration be 6.20-14.80mg/L, Ni concentration is that 4.80-12.6mg/L, Cu concentration is about 32.4-64.30mg/L;
B, Electroplating Production waste water is delivered in oxidizing reaction pond, add 30%H with 10-20ml/L
2o
2solution, adds FeSO with 1.0-2.0g/L
47H
2o solid, regulates oxidizing reaction pond edge uitraviolet intensity to be 4.0mW/cm
2~ 6.0mW/cm
2, characteristic wavelength is 185nm-254nm, and regulate pH to be 2.0 ~ 3.0, oxidation residence time is 24 ~ 96h;
C, deliver in coagulation reaction tank by Electroplating Production waste water reacted in oxidizing reaction pond, regulate pH to be 9.5 ~ 10, add 5%PAC solution with 1-3ml/L, add the PAM solution of 0.5 ‰ with 2-6ml/L, reaction time is 10-15min;
D, Electroplating Production waste water reacted in coagulation reaction tank delivered to supernatants after precipitation in coagulative precipitation tank and discharge.
Preferably, in described step B, add 30%H with 15ml/L
2o
2solution, adds FeSO with 1.5g/L
47H
2o solid, regulable control reactor edge uitraviolet intensity is 5.0mW/cm
2, characteristic wavelength is 254nm or 185nm.
Preferably, in described step C, add 5%PAC solution with 2ml/L, add the PAM solution of 0.5 ‰ with 4ml/L, reaction time is 12min.
Preferably, in described step D, the time that Electroplating Production waste water precipitates in coagulative precipitation tank is 1.0h.
After have employed technique scheme, effect of the present utility model is: owing to adding ultraviolet lamp in the oxidizing reaction pond of this treatment system, ultraviolet lamp is supplied to UV-light in oxidizing reaction pond, hardly degraded organic substance decomposition in waste water is oxidized to carbonic acid gas and water by ultraviolet assisted oxidation, complex state heavy metal contact break in waste water is formed ionic state simultaneously, thus facilitate follow-up coagulating sedimentation, this treatment system process Electroplating Production waste water high-efficiency is stablized, water outlet after process can be stablized and reached " the special emission limit of water pollutant " requirement in " plating pollutant emission standard " (GB21900-2008), thus solve above-mentioned first technical problem.
Again owing to have employed above-mentioned treatment process, this treatment process utilizes the UV-light of special wave band to play katalysis to the oxidizing reaction in oxidizing reaction pond, complex state heavy metal contact break contact break is made to form ionic state, thus facilitate follow-up coagulating sedimentation, process efficient stable, water outlet pH6 ~ 9 after process, COD
cr≤ 50mg/L, TP≤0.5mg/L, Ni≤0.1mg/L, Cu≤0.3mg/L.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation in equalizing tank in the utility model embodiment, oxidizing reaction pond;
Fig. 2 is the structural representation of coagulation reaction tank and coagulative precipitation tank in the utility model embodiment;
In accompanying drawing: 1. equalizing tank; 2. oxidizing reaction pond; 3. fluorescent tube; 4. lamp socket; 5. aeration tube; 6.pH regulator solution adds mouth; 7. hydrogen peroxide adds mouth; 8. ferrous sulfate adds mouth; 9.pH value Real time displaying instrument; 10.ORP Real time displaying instrument; 11. coagulation reaction tank; 12. coagulative precipitation tanks; 13. stir shafts; 14. agitating vanes; 15. motors; 16.pH value Real time displaying instrument; 17.pH regulator solution adds mouth; 18.PAC adds mouth; 19.PAM adds mouth; 20. inclined tube fillers.
Embodiment
Below by specific embodiment, the utility model is described in further detail.
Embodiment 1
As depicted in figs. 1 and 2, a kind for the treatment of system of Electroplating Production waste water, comprise equalizing tank 1, oxidizing reaction pond 2, coagulation reaction tank 11 and coagulative precipitation tank 12, described equalizing tank 1 is provided with water-in and water outlet, equalizing tank 1 is used for collecting Electroplating Production waste water, can preliminary adjust ph in equalizing tank 1, with regulating pondage and water quality.
The water-in in described oxidizing reaction pond 2 is communicated with the water outlet of equalizing tank 1, the water-in of coagulation reaction tank 11 is communicated with the water outlet in oxidizing reaction pond 2, the water-in of coagulative precipitation tank 12 is communicated with the water outlet of coagulation reaction tank 11, the glide path of pending factory effluent is equalizing tank 1 → oxidizing reaction pond 2 → coagulation reaction tank, 11 → coagulative precipitation tank 12, obviously, in order to ensure this glide path, needing the pipeline promoted configures water pump.
Oxidizing reaction pond 2 is also provided with whipping appts and ultraviolet lamp, this ultraviolet lamp stretches in oxidizing reaction pond 2, described ultraviolet lamp comprises the lamp socket 4 at the top being fixed on oxidizing reaction pond 2, this lamp socket 4 is provided with the fluorescent tube 3 of the bottom vertically extending to oxidizing reaction pond 2, this ultraviolet lamp is connected with power supply system.Whipping appts in described oxidizing reaction pond 2 comprises the aeration tube 5 at the bottom of the pond extending into oxidizing reaction pond 2, and this aeration tube 5 is communicated with airing system.Certainly, this whipping appts also can be mechanical stirring.PH value Real time displaying instrument 9 and ORP Real time displaying instrument 10 is provided with in described oxidizing reaction pond 2, pH value Real time displaying instrument 9 is used for showing its pH value in real time, ORP Real time displaying instrument 10 is used for showing the redox potential in oxidizing reaction pond 2, has the effect of the chain control chemical feeding quantity with medicine system in addition.
The top in oxidizing reaction pond is provided with hydrogen peroxide and adds mouth 7, ferrous sulfate interpolation mouth 8 and pH regulator liquid interpolation mouth 6, and the top of described coagulation reaction tank 11 is provided with PAC interpolation mouth 18, PAM interpolation mouth 19 and pH regulator liquid and adds mouth 17.Described coagulation reaction tank 11 is also rotatablely equipped with stir shaft 13, and this stir shaft 13 is driven by stirring power set, and this stirring power set is motor 15, and this stir shaft 13 is fixed with agitating vane 14.Described coagulation reaction tank 11 is provided with pH value Real time displaying instrument 16.Also be provided with inclined tube filler 20 in described coagulative precipitation tank 12, this inclined tube spice layer stream mode is good, and particles settling is not by turbulent flow interference, and its processing power is rectangular sedimentation tank 3-5 times, and the 2-3 of accelerating purifying pool and plusator doubly, therefore reduces floor space.
Embodiment 2
Present embodiments provide a kind for the treatment of process of Electroplating Production waste water, comprise the following steps:
A. by Electroplating Production wastewater collection in equalizing tank 1, the composition controlling Electroplating Production waste water makes its COD
crconcentration is 3200mg/L, TP concentration be 6.20mg/L, Ni concentration is that 4.8mg/L, Cu concentration is about 32.4mg/L;
B, Electroplating Production waste water is delivered in oxidizing reaction pond 2, add 30%H with 10ml/L
2o
2solution, adds FeSO with 1.0g/L
47H
2o solid, regulates oxidizing reaction pond 2 edge uitraviolet intensity to be 4.0mW/cm
2, characteristic wavelength is 185nm, and regulate pH to be 2.0 ~ 3.0, oxidation residence time is 24h;
C, deliver in coagulation reaction tank 11 by Electroplating Production waste water reacted in oxidizing reaction pond 2, regulate pH to be 9.5 ~ 10, add 5%PAC solution with 1ml/L, add the PAM solution of 0.5 ‰ with 2ml/L, reaction time is 10min;
D, Electroplating Production waste water reacted in coagulation reaction tank 11 delivered in coagulative precipitation tank 12 precipitate 1h after supernatant liquor discharge.
Embodiment 3
Present embodiments provide a kind for the treatment of process of Electroplating Production waste water, comprise the following steps:
A. by Electroplating Production wastewater collection in equalizing tank 1, the composition controlling Electroplating Production waste water makes its COD
crconcentration is 4800mg/L, TP concentration be 14.80mg/L, Ni concentration is that 12.6mg/L, Cu concentration is about 64.30mg/L;
B, Electroplating Production waste water is delivered in oxidizing reaction pond 2, add 30%H with 20ml/L
2o
2solution, adds FeSO with 2g/L
47H
2o solid, regulates oxidizing reaction pond 2 edge uitraviolet intensity to be 6.0mW/cm
2, characteristic wavelength is 254nm, and regulate pH to be 2.0 ~ 3.0, oxidation residence time is 96h;
C, deliver in coagulation reaction tank 11 by Electroplating Production waste water reacted in oxidizing reaction pond 2, regulate pH to be 9.5 ~ 10, add 5%PAC solution with 3ml/L, add the PAM solution of 0.5 ‰ with 6ml/L, reaction time is 15min;
D, Electroplating Production waste water reacted in coagulation reaction tank 11 delivered in coagulative precipitation tank 12 precipitate 1h after supernatant liquor discharge.
Embodiment 4
A. by Electroplating Production wastewater collection in equalizing tank 1, the composition controlling Electroplating Production waste water makes its COD
crconcentration is 4000mg/L, TP concentration be 12.40mg/L, Ni concentration is that 8.20mg/L, Cu concentration is about 46.6mg/L;
B, Electroplating Production waste water is delivered in oxidizing reaction pond 2, add 30%H with 15ml/L
2o
2solution, adds FeSO with 1.5g/L
47H
2o solid, regulable control reactor edge uitraviolet intensity is 5.0mW/cm
2, characteristic wavelength is 185nm ~ 254nm, and regulate pH to be 2.0 ~ 3.0, oxidation residence time is 72h;
C, deliver in coagulation reaction tank 11 by Electroplating Production waste water reacted in oxidizing reaction pond 2, regulate pH to be 9.5 ~ 10, add 5%PAC solution with 2ml/L, add the PAM solution of 0.5 ‰ with 4ml/L, reaction time is 12min.
D, Electroplating Production waste water reacted in coagulation reaction tank 11 delivered in coagulative precipitation tank 12 precipitate 1h after supernatant liquor discharge.
Principal reaction mechanism in embodiment 2 to 4 is:
H
2O
2+hv→2OH·(1)
Fe(OH)
2++hv→Fe
2+2OH·(2)
Fe
3++hv+H
2O→Fe
2+OH·+H
+(3)
H
2O+O→H
2O
2→2OH·(5)
2O
3+H
2O
2→2OH·+3O
2(6)
In addition, the O in system
2absorb UV-light and can generate O
3, decompose afterwards and obtain O
2with atomic oxygen, atomic oxygen and H
2o reaction produces OH; H simultaneously
2o
2with O
3effect also has OH and generates.Therefore, the irradiation of UV-light can improve Fe greatly
2+utilization ratio and the generation speed of OH, thus accelerate organic degradation rate.
Any one method in embodiment 2 to 4, the COD of coagulating sedimentation water outlet
crconcentration is 40 ~ 50mg/L, TP concentration is 0.10 ~ 0.20mg/L, Ni concentration is 0.05 ~ 0.08mg/L, Cu concentration is 0.05 ~ 0.10mg/L, meets " the special emission limit of water pollutant " requirement in " plating pollutant emission standard " (GB21900-2008).
The above embodiment is only the description to the preferred embodiment of the present invention; not as limiting the scope of the invention; design on the basis of spirit not departing from the present invention; the various distortion make technical solution of the present invention and transformation, all should fall in protection domain that claims of the present invention determine.
Claims (6)
1. the treatment system of an Electroplating Production waste water, it is characterized in that: comprise equalizing tank, oxidizing reaction pond, coagulation reaction tank and coagulative precipitation tank, described equalizing tank is provided with water-in and water outlet, the described water-in in oxidizing reaction pond is communicated with the water outlet of equalizing tank, the water-in of coagulation reaction tank is communicated with the water outlet in oxidizing reaction pond, the water-in of coagulative precipitation tank is communicated with the water outlet of coagulation reaction tank, oxidizing reaction pond is also provided with whipping appts and ultraviolet lamp, this ultraviolet lamp stretches in oxidizing reaction pond, the top in oxidizing reaction pond is provided with hydrogen peroxide and adds mouth, ferrous sulfate adds mouth and pH regulator liquid adds mouth, the top of described coagulation reaction tank is provided with PAC and adds mouth, PAM adds mouth and pH regulator liquid adds mouth.
2. the treatment system of a kind of Electroplating Production waste water as claimed in claim 1, is characterized in that: the whipping appts in described oxidizing reaction pond comprises the aeration tube at the bottom of the pond extending into oxidizing reaction pond, and this aeration tube is communicated with airing system.
3. the treatment system of a kind of Electroplating Production waste water as claimed in claim 2, it is characterized in that: described ultraviolet lamp comprises the lamp socket at the top being fixed on oxidizing reaction pond, this lamp socket is provided with the fluorescent tube of the bottom vertically extending to oxidizing reaction pond, this ultraviolet lamp is connected with power supply system.
4. the treatment system of a kind of Electroplating Production waste water as claimed in claim 3, is characterized in that: described coagulation reaction tank is also rotatablely equipped with stir shaft, and this stir shaft drives by stirring power set, and this stir shaft is fixed with agitating vane.
5. the treatment system of a kind of Electroplating Production waste water as claimed in claim 4, is characterized in that: be provided with pH value Real time displaying instrument and ORP Real time displaying instrument in described oxidizing reaction pond, described coagulation reaction tank be provided with pH value Real time displaying instrument.
6. the treatment system of a kind of Electroplating Production waste water as claimed in claim 5, is characterized in that: be also provided with inclined tube filler in described coagulative precipitation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520737129.0U CN204958615U (en) | 2015-09-23 | 2015-09-23 | Electroplate waste water's processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520737129.0U CN204958615U (en) | 2015-09-23 | 2015-09-23 | Electroplate waste water's processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204958615U true CN204958615U (en) | 2016-01-13 |
Family
ID=55053695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520737129.0U Expired - Fee Related CN204958615U (en) | 2015-09-23 | 2015-09-23 | Electroplate waste water's processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204958615U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110513A (en) * | 2015-09-23 | 2015-12-02 | 张家港市清泉水处理有限公司 | Electroplating wastewater treatment system and method |
| CN111842432A (en) * | 2020-07-28 | 2020-10-30 | 神州节能科技集团有限公司 | Condensate treatment method and device |
| CN115140862A (en) * | 2021-03-31 | 2022-10-04 | 清华大学深圳国际研究生院 | Method for pretreating electroplating wastewater by adopting ozone and Fenton process in cooperation |
-
2015
- 2015-09-23 CN CN201520737129.0U patent/CN204958615U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110513A (en) * | 2015-09-23 | 2015-12-02 | 张家港市清泉水处理有限公司 | Electroplating wastewater treatment system and method |
| CN111842432A (en) * | 2020-07-28 | 2020-10-30 | 神州节能科技集团有限公司 | Condensate treatment method and device |
| CN115140862A (en) * | 2021-03-31 | 2022-10-04 | 清华大学深圳国际研究生院 | Method for pretreating electroplating wastewater by adopting ozone and Fenton process in cooperation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20200923 |