CN201737744U - Processing device realizing reduction of electroplating rinse-wastewater and double-membrane multipoint separate recycling - Google Patents
Processing device realizing reduction of electroplating rinse-wastewater and double-membrane multipoint separate recycling Download PDFInfo
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- CN201737744U CN201737744U CN2010201557984U CN201020155798U CN201737744U CN 201737744 U CN201737744 U CN 201737744U CN 2010201557984 U CN2010201557984 U CN 2010201557984U CN 201020155798 U CN201020155798 U CN 201020155798U CN 201737744 U CN201737744 U CN 201737744U
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Abstract
The utility model discloses a processing device realizing the reduction of electroplating rinse-wastewater and the double-membrane multipoint separate recycling. The processing device includes a heavy metal capturing agent storage tank, an electroplating rinse-wastewater storage tank, a catcher, a filter, a reverse osmosis membrane processor, a nanofiltration membrane filter, a filter residue processor and a plating solution tempering tank, wherein the heavy metal capturing agent storage tank and the electroplating rinse-wastewater storage tank are respectively connected to the catcher, and a liquid discharge hole of the catcher is connected with the filter; a slag filtering hole of the filter is connected with the filter residue processor, and the filter residue processor is connected with the plating solution tempering tank; the filter is provided with two filtering pores, and one of the filtering pores is connected with the nanofiltration membrane filter; a concentrated water hole of the reverse osmosis membrane processor is connected with the nanofiltration membrane filter; and a concentrated water hole of the nanofiltration membrane filter returns to the reverse osmosis membrane processor. The processing device has the advantages of simple structure, convenience in use and good processing effect, realizes the reduction of electroplating rinse-wastewater and the double-membrane multipoint separate recycling, and is suitable for waste water processing in the manufacturing industries of circuit boards and batteries, as well as in the electroplating industries.
Description
Technical field
The utility model relates to electroplates the Cleaning Wastewater treatment facility, is that a kind of plating Cleaning Wastewater reduces discharging and two embrane method multiple spot separate-recycling treatment unit specifically.
Background technology
Produce the waste water that contains multiple metal ions such as chromium, nickel, copper, cadmium, lead, zinc, aluminium, gold and silver, mercury through regular meeting in the industry; above-mentioned heavy metal ion has under physical environment stable in properties, accumulation in vivo, lower concentration and has characteristics such as secular toxic side effect; if can not get dealing carefully with, will cause severe contamination to environment.Electroplating industry be heavy polluted industry be again the water consumption rich and influential family, at present China electroplates point and has developed into nearly 20000, according to incompletely statistics, the waste water that China's electroplating enterprise gives off every year reaches 4,000,000,000 tons.
General electroplate technology is made up of three parts: first part is a pretreatment unit, mainly is cleaning and activated metal surface, and its treatment process comprises oil removing, rust cleaning, cleaning etc.; Second section is an electroplating unit, utilizes electrochemical process, and the metal deposition that one deck is thin is on the workpiece surface of conduction; Third part is a post-processing unit, mainly comprises cleaning and drying treatment.And electroplating wastewater comes from the cleaning process of plating piece more than 90%, and the repeating utilization factor of electroplating water for cleaning at present is lower, and the unscrupulous wasting phenomenon of water is comparatively general.Therefore, realize electroplating Cleaning Wastewater and reduce discharging and the multiple spot separate-recycling, have great social significance.
Traditional pH regulator precipitator method are handled the waste water that contains heavy metal ion, promptly by adding alkaline chemical such as sodium hydroxide, yellow soda ash, lime, the pH value of waste water are transferred to about 11, form corresponding heavy metal hydroxide precipitation to remove heavy metal ion.Supernatant liquid pumps into neutralization tank, adds acid readjustment pH to 6～9, just can reach the emission standard of electroplating Cleaning Wastewater; Handle the heavy metal Cleaning Wastewater if adopt the Sodium Sulphide precipitator method, sodium sulphite can produce the peculiar smell of hydrogen sulfide in the use, during dissolving the oxidation side reaction can take place, and heavy metal sulfide precipitation floc particle is tiny, the settling time waits so long very much, has reduced the removal effect of heavy metal ion.Part enterprise uses efficient heavy trapping agent (abbreviation recapture agent) to handle heavy metal wastewater thereby, the chelating precipitation of recapture agent and heavy metal ion formation indissoluble that utilization adds is with the removal heavy metal ion, and multiple metal ion can be removed in a step precipitation process.By control heavy metal chelating agent dosage and add condition, can satisfy the discharging emission request, but processing cost is higher.
The utility model content
In order to overcome the defective that prior art exists, the utility model proposes a kind of plating Cleaning Wastewater and reduce discharging and two embrane method multiple spot separate-recycling treatment unit, realized that the plating Cleaning Wastewater reduces discharging and two embrane method multiple spot separate-recyclings.
A kind of plating Cleaning Wastewater of the utility model reduces discharging and two embrane method multiple spot separate-recycling treatment unit, comprises the heavy metal chelating agent storage tank, electroplates Cleaning Wastewater storage tank, trap, strainer, reverse osmosis (RO) film treater, nanofiltration (NF) film treater, filter residue treater and plating bath make-up tank; It is characterized in that: heavy metal chelating agent storage tank and plating Cleaning Wastewater storage tank are connected to trap respectively, and the trap leakage fluid dram is taken over filter; Strainer filter residue mouth connects the filter residue treater, and the filter residue treater connects the plating bath make-up tank; Strainer is established two filtrate port, and one of them strainer filtrate port connects the reverse osmosis membrane processing device; The concentrated water spout of reverse osmosis membrane processing device is admitted the filter membrane treater; The concentrated water spout of nanofiltration (NF) film treater is back to the reverse osmosis membrane processing device.
The trapping agent of heavy metal chelating agent storage tank is joined in the trap with the Cleaning Wastewater that comes from plating Cleaning Wastewater storage tank, realize the solid-liquid separation of heavy metal contaminants and water.Filter residue is after the filter residue processor processing, and wherein valuable heavy metal turns back in the plating bath make-up tank, and as required, regular replenishment is in plating tank.Be divided into two portions through the filtrate after the filter treatment, a part is back to 1 grade of rinse bath, is used to clean just shift the plating piece of coming from plating tank; Remainder obtains dense water and pure water two portions through reverse osmosis (RO) film processor processing.Dense water through nanofiltration (NF) film processor processing, obtains dense water and pure water two portions by means of the high pressure of RO film.Dense water after the NF film is handled returns RO film processor processing, to improve reuse efficient; Pure water after the NF film is handled returns 2 grades of rinse baths, is used to clean the plating piece that cleans through 1 grade of rinse bath.Pure water after the RO film is handled is divided into two portions as required, and a part is returned 3 grades of rinse baths, is used to clean the plating piece that cleans through 2 grades of rinse baths, and remainder returns the pure water storage tank, uses as other waters between can buying car in installments.The rinse water of 3 grades of rinse baths regularly is disposed to 2 grades of rinse baths, also can directly be disposed to electroplate the Cleaning Wastewater storage tank; The rinse water of 2 grades of rinse baths regularly is disposed to 1 grade of rinse bath, also can directly be disposed to electroplate the Cleaning Wastewater storage tank; The rinse water of 1 grade of rinse bath regularly is disposed to electroplates the Cleaning Wastewater storage tank, thereby has realized that the plating Cleaning Wastewater reduces discharging and the processing of multiple spot separate-recycling.
The utility model is simple in structure, and is easy to use, and treatment effect is good, realized that the plating Cleaning Wastewater reduces discharging and two embrane method multiple spot separate-recyclings.Can use separately, also can be used with other unit for treating water.Go for circuit card, plating, metal finishing, film manufacturing, coal-fired plant, municipal administration or industry wastewater treatments such as industrial refuse and incineration, battery production.
Description of drawings
Fig. 1 is that a kind of plating Cleaning Wastewater of the utility model reduces discharging and two embrane method multiple spot separate-recycling treatment unit structural representation block diagrams.
Embodiment
Below in conjunction with drawings and Examples, the utility model is elaborated.
As shown in Figure 1, a kind of plating Cleaning Wastewater reduces discharging and two embrane method multiple spot separate-recycling treatment unit, comprises the heavy metal chelating agent storage tank, electroplates Cleaning Wastewater storage tank, trap, strainer, reverse osmosis (RO) film treater, nanofiltration (NF) film treater, filter residue treater and plating bath make-up tank.Heavy metal chelating agent storage tank and plating Cleaning Wastewater storage tank are connected to trap respectively, and the trap leakage fluid dram is taken over filter; Strainer filter residue mouth connects the filter residue treater, and the filter residue treater connects the plating bath make-up tank, and the plating bath make-up tank is connected to plating tank.Strainer is established two filtrate port, and one of them strainer filtrate port connects the reverse osmosis membrane processing device, and another strainer filtrate port connects 1 grade of rinse bath.The concentrated water spout of reverse osmosis membrane processing device is admitted the filter membrane treater; The concentrated water spout of nanofiltration (NF) film treater is back to the reverse osmosis membrane processing device.The pure water mouth of nanofiltration (NF) film treater connects 2 grades of rinse baths.The pure water mouth of reverse osmosis membrane processing device connects pure water groove and 3 grades of rinse baths respectively.
Heavy metal chelating agent and the Cleaning Wastewater that comes from plating Cleaning Wastewater storage tank are joined in the trap, and filter residue is after the filter residue processor processing, and wherein valuable heavy metal turns back in the plating bath make-up tank, and as required, regular replenishment is in plating tank.Filter residue also can entrust the third party of qualification to handle.
Be divided into two portions through the filtrate after the filter treatment, a part is back to 1 grade of rinse bath, is used to clean just shift the plating piece of coming from plating tank; Remainder obtains dense water and pure water two portions through RO film processor processing.Dense water through NF film processor processing, obtains dense water and pure water two portions by means of the high pressure of RO film.Dense water after the NF film is handled returns RO film processor processing, to improve reuse efficient; Pure water after the NF film is handled returns 2 grades of rinse baths, is used to clean the plating piece that cleans through 1 grade of rinse bath.Pure water after the RO film is handled is divided into two portions as required, and a part is returned 3 grades of rinse baths, is used to clean the plating piece that cleans through 2 grades of rinse baths, and remainder returns the pure water storage tank, uses as other waters between can buying car in installments.The rinse water of 3 grades of rinse baths regularly is disposed to 2 grades of rinse baths, also can directly be disposed to electroplate the Cleaning Wastewater storage tank; The rinse water of 2 grades of rinse baths regularly is disposed to 1 grade of rinse bath, also can directly be disposed to electroplate the Cleaning Wastewater storage tank; The rinse water of 1 grade of rinse bath regularly is disposed to electroplates the Cleaning Wastewater storage tank, thereby has realized that the plating Cleaning Wastewater reduces discharging and the processing of multiple spot separate-recycling.
Claims (1)
1. electroplate Cleaning Wastewater reduction of discharging and two embrane method multiple spot separate-recycling treatment unit for one kind, comprise the heavy metal chelating agent storage tank, electroplate Cleaning Wastewater storage tank, trap, strainer, reverse osmosis membrane processing device, nanofiltration membrane treatment device, filter residue treater and plating bath make-up tank; It is characterized in that: heavy metal chelating agent storage tank and plating Cleaning Wastewater storage tank are connected to trap respectively, and the trap leakage fluid dram is taken over filter; Strainer filter residue mouth connects the filter residue treater, and the filter residue treater connects the plating bath make-up tank; Strainer is established two filtrate port, and one of them strainer filtrate port connects the reverse osmosis membrane processing device; The concentrated water spout of reverse osmosis membrane processing device is admitted the filter membrane treater; The concentrated water spout of nanofiltration membrane treatment device is back to the reverse osmosis membrane processing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201557984U CN201737744U (en) | 2010-04-12 | 2010-04-12 | Processing device realizing reduction of electroplating rinse-wastewater and double-membrane multipoint separate recycling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201557984U CN201737744U (en) | 2010-04-12 | 2010-04-12 | Processing device realizing reduction of electroplating rinse-wastewater and double-membrane multipoint separate recycling |
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| Publication Number | Publication Date |
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| CN201737744U true CN201737744U (en) | 2011-02-09 |
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| CN2010201557984U Expired - Fee Related CN201737744U (en) | 2010-04-12 | 2010-04-12 | Processing device realizing reduction of electroplating rinse-wastewater and double-membrane multipoint separate recycling |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102502999A (en) * | 2011-11-29 | 2012-06-20 | 芜湖人本合金有限责任公司 | Treatment method of vanadium pentoxide production wastewater |
| CN102787345A (en) * | 2012-08-02 | 2012-11-21 | 华夏新资源有限公司 | Cyclic utilization system for copper in cleaning solution used in surface treatment electroless copper process |
| CN103193338A (en) * | 2013-04-08 | 2013-07-10 | 金华市恒飞电工材料有限公司 | Method for simply treating copper-clad aluminum electroplating production wastewater |
| CN103708668A (en) * | 2013-12-27 | 2014-04-09 | 太仓华辰净化设备有限公司 | Method for treating purified terephthalic acid mother liquor wastewater |
| CN107973451A (en) * | 2017-12-29 | 2018-05-01 | 广西生富锑业科技股份有限公司 | A kind of wastewater zero discharge system |
-
2010
- 2010-04-12 CN CN2010201557984U patent/CN201737744U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102502999A (en) * | 2011-11-29 | 2012-06-20 | 芜湖人本合金有限责任公司 | Treatment method of vanadium pentoxide production wastewater |
| CN102787345A (en) * | 2012-08-02 | 2012-11-21 | 华夏新资源有限公司 | Cyclic utilization system for copper in cleaning solution used in surface treatment electroless copper process |
| CN102787345B (en) * | 2012-08-02 | 2015-01-28 | 华夏新资源有限公司 | Cyclic utilization system for copper in cleaning solution used in surface treatment electroless copper process |
| CN103193338A (en) * | 2013-04-08 | 2013-07-10 | 金华市恒飞电工材料有限公司 | Method for simply treating copper-clad aluminum electroplating production wastewater |
| CN103193338B (en) * | 2013-04-08 | 2014-01-29 | 金华市恒飞电工材料有限公司 | Method for simply treating copper-clad aluminum electroplating production wastewater |
| CN103708668A (en) * | 2013-12-27 | 2014-04-09 | 太仓华辰净化设备有限公司 | Method for treating purified terephthalic acid mother liquor wastewater |
| CN103708668B (en) * | 2013-12-27 | 2016-01-13 | 苏州华辰净化股份有限公司 | A kind for the treatment of process of mother solution of pure terephthalic acid waste water |
| CN107973451A (en) * | 2017-12-29 | 2018-05-01 | 广西生富锑业科技股份有限公司 | A kind of wastewater zero discharge system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20130412 |