CN204417261U - Automobile decoration piece electroplating waste water treatment system - Google Patents
Automobile decoration piece electroplating waste water treatment system Download PDFInfo
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- CN204417261U CN204417261U CN201420863089.XU CN201420863089U CN204417261U CN 204417261 U CN204417261 U CN 204417261U CN 201420863089 U CN201420863089 U CN 201420863089U CN 204417261 U CN204417261 U CN 204417261U
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Abstract
The utility model relates to Waste Water Treatment, particularly relates to a kind of automobile decoration piece electroplating waste water treatment system.Topping-up pump, more medium filter, the first accurate filter and ultra-filtration equipment is connected successively behind its wastewater collection pond; First accurate filter outlet connects ultra-filtration equipment, and ultra-filtration equipment is connected with the first internal circulation system after producing the mouth of a river; First internal circulation system comprises the ultrafiltration forming loop and produces water tank, high-pressure pump, one-level RO concentrating unit, deep desalting high-pressure pump and deep desalting RO device, deep desalting RO device outlet is connected to ultrafiltration and produces water tank formation loop, and deep desalting RO device is connected to pure water retrieving arrangement for reclaiming pure water after the first internal circulation system internal recycle completes; The dense water out of one-level RO concentrating unit is connected with the second internal circulation system; Second internal circulation system comprises the concentrated water tank, secondary concentration high-pressure pump, high-efficient electrolysis device and the secondary RO concentrating unit that form loop.The utility model can realize metal ion recycle and waste water recycling in waste water.
Description
Technical field
The utility model relates to Waste Water Treatment, particularly relates to a kind of automobile decoration piece electroplating waste water treatment system.
Background technology
Since " 12 " planning, the research of the reduction of discharging gordian technique relevant to plating is more and more deep, and in above-mentioned industry technological process, waste gas, waste water, changing waste into resources recovery and utilization technology become one of research emphasis of association area researchist.The general all more complicated of the factory effluent composition of these industries, pollutant kind are various, usually have that CODcr is high, BOD
5height, SS concentration are high, NH
3the features such as-N concentration is high, colourity is high, metal ion recovery rate is low are one of the most unmanageable trade effluents.
Traditional materialization+the biochemical processing process of general employing processes, can only remove the materials such as SS, the COD in waste water, other pollutant removals are not good, at more than 200mg/L as ammonia nitrogen concentration, cannot reach sewage drainage standard, metal ion recovering effect is desirable not to the utmost; And along with the development of membrane separation technique, the membrane separation technique being core with ultrafiltration+reverse osmosis can realize the removal to pollutent every in trade effluent, but in order to ensure the work-ing life of film effluent quality and film, strictly must control the water water quality that enters of film, operation easier increases, treatment effect is restricted, and cost also improves greatly.
CN102786171B(2013-11-27) disclose a kind of comprehensive processing technique and equipment thereof of the electroplating wastewater containing heavy metal ion, but this equipment still haves much room for improvement to metal ion recycle in waste water and waste water recycling effect.
Utility model content
The purpose of this utility model is to provide a kind of automobile decoration piece electroplating waste water treatment system that can realize metal ion recycle and waste water recycling in waste water.
Above-mentioned technical purpose of the present utility model is achieved by the following technical programs:
A kind of automobile decoration piece electroplating waste water treatment system, comprises the wastewater collection pond for electroplating wastewater, is connected with topping-up pump, more medium filter, the first accurate filter and ultra-filtration equipment behind wastewater collection pond described in it in turn;
Described first accurate filter outlet is connected with described ultra-filtration equipment, and described ultra-filtration equipment is connected with the first internal circulation system after producing the mouth of a river; Described first internal circulation system comprises the ultrafiltration forming loop and produces water tank, high-pressure pump, one-level RO concentrating unit, deep desalting high-pressure pump and deep desalting RO device, described deep desalting RO device outlet is connected to described ultrafiltration and produces water tank formation loop, and described deep desalting RO device is connected to pure water retrieving arrangement for reclaiming pure water after described first internal circulation system internal recycle completes;
The dense water out of described one-level RO concentrating unit is connected with the second internal circulation system; Described second internal circulation system comprises the concentrated water tank, secondary concentration high-pressure pump, high-efficient electrolysis device and the secondary RO concentrating unit that form loop; Described secondary RO concentrating unit is provided with three outlets, and an outlet is connected to described wastewater collection pond, and another outlet is connected to described high-efficient electrolysis device, and Article 3 outlet is connected to dense water sewage collecting box.
Ultrafiltration utilizes to have selects the film through ability to do separating medium, membranous wall gathers micropore, and stoste is under a certain pressure by the side of film, and solvent and small organic molecule are filtrate through membranous wall, and more macromolecular organism tunicle retains, thus reach separating substances and concentrated object.Membrane separating process is dynamic filtration process, and larger molecular organics, solid substance are intercepted by membranous wall, and flow out membrane module with concentrated solution, film is not easily blocked, can life-time service continuously.Filtration procedure can run under normal temperature, low pressure, without phase-state change, energy-efficient;
By the first internal circulation system and the second internal circulation system, can copper nickel chromium triangle metal ion in efficient recovery electroplating wastewater and industrial pure water, the copper nickel chromium triangle metal ion recycle and reuse rate in electroplating wastewater reaches more than 95%, and wastewater recycle rate reaches more than 88%.
As preferably, be connected with contact break pond after described high-efficient electrolysis device in turn, one-level catches pond, flocculation agent pond and the first gel pond.
Contact break agent, metal ion capturing agent and flocculation agent can be added respectively for reclaiming the copper nickel chromium triangle metal ion especially chromium metal ion in electroplating wastewater in contact break pond, one-level seizure pond, flocculation agent pond and the first gel pond.
As preferably, behind described gel pond, be connected with one-level inclined-plate clarifying basin, second capture pond and the second gel pond in turn.
Different trapping agent can be added further in second capture pond, for reclaiming the copper nickel chromium triangle metal ion especially chromium metal ion in electroplating wastewater, improve the rate of recovery.
As preferably, behind described second gel pond, be connected with secondary inclined-plate clarifying basin, the second topping-up pump, more medium filter, activated charcoal filter and the second accurate filter in turn.
By the secondary inclined-plate clarifying basin, the second topping-up pump, more medium filter, activated charcoal filter and the second accurate filter that set gradually, after making electroplating wastewater processing, the supernatant liquor of gained is fully processed further, and final water outlet is discharged or reuse.
As preferably, be connected with in turn described in the first topping-up pump and high-efficient electrolysis device after described dense water sewage collecting box and be provided with intermediate water tank between one-level RO concentrating unit and deep desalting high-pressure pump.
As preferably, described contact break pond is the pH value equalizing tank of chromium system complex compound.
As preferably, described one-level catches the reduction pond that pond is chromium system complex compound.
As preferably, behind described second gel pond, be connected with ionic adsorption device.
As preferably, described ionic adsorption device comprises the modified double resin ion-exchanger pillar of gel strong acid type Al-type ion exchange resin and macropore weak-type Al-type ion exchange resin composition.
This modified double resin ion-exchanger can repeatedly regenerate, and work-ing life is 3-5.
Accompanying drawing explanation
Fig. 1 is automobile decoration piece electroplating waste water treatment system schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Fig. 1, automobile decoration piece electroplating waste water treatment system comprises the wastewater collection pond 2 for electroplating wastewater, electroplating wastewater 1 enters wastewater collection pond 2, is connected with topping-up pump 3, more medium filter 4, first accurate filter 5 and ultra-filtration equipment 6 behind wastewater collection pond 2 in turn; First accurate filter 5 outlet is connected with ultra-filtration equipment 6, and ultra-filtration equipment 6 is connected with the first internal circulation system after producing the mouth of a river; First internal circulation system comprises the ultrafiltration forming loop and produces water tank 7, high-pressure pump 8, one-level RO concentrating unit 9, deep desalting high-pressure pump 11 and deep desalting RO device 12, deep desalting RO device 12 outlet is connected to ultrafiltration product water tank 7 and forms loop, and deep desalting RO device 12 is connected to pure water retrieving arrangement for reclaiming pure water after the first internal circulation system internal recycle completes; The dense water out of one-level RO concentrating unit 9 is connected with the second internal circulation system; Second internal circulation system comprises the concentrated water tank 14, secondary concentration high-pressure pump 15, high-efficient electrolysis device 17 and the secondary RO concentrating unit 16 that form loop; Secondary RO concentrating unit 16 is provided with three outlets, and an outlet is connected to wastewater collection pond 2, and another outlet is connected to high-efficient electrolysis device 17, and Article 3 outlet is connected to dense water sewage collecting box 18.Be connected with contact break pond 21 after high-efficient electrolysis device 20 in turn, one-level catches pond 22, flocculation agent pond 23 and the first gel pond 24.One-level inclined-plate clarifying basin 25, second capture pond 26 and the second gel pond 27 is connected with in turn behind gel pond 24.Secondary inclined-plate clarifying basin 28, second topping-up pump 29, more medium filter 30, activated charcoal filter 31 and the second accurate filter 32 is connected with in turn, through water outlet 33 qualified discharge that the second accurate filter 32 processes behind second gel pond 27.
Be connected with the first topping-up pump 19 after dense water sewage collecting box 18 in turn and be provided with intermediate water tank 10 between high-efficient electrolysis device 20 one-level RO concentrating unit 9 and deep desalting high-pressure pump 11.In order to improve the rate of recovery of chromium metal, contact break pond 21 is the pH value equalizing tank of chromium system complex compound; One-level catches the reduction pond that pond 22 is chromium system complex compound.Certainly, in order to improve the metal ion recovering effect in electroplating wastewater, ionic adsorption device (not illustrating in the drawings) can behind the second gel pond 27, be connected with; For improving metal ion recovery rate, the pillar of ionic adsorption device is set to the modified double resin ion-exchanger pillar of gel strong acid type Al-type ion exchange resin and macropore weak-type Al-type ion exchange resin composition.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this specification sheets, as long as but be all subject to the protection of patent law in right of the present utility model.
Claims (9)
1. automobile decoration piece electroplating waste water treatment system, comprises wastewater collection pond (2), it is characterized in that:
Topping-up pump (3), more medium filter (4), the first accurate filter (5) and ultra-filtration equipment (6) is connected with in turn after described wastewater collection pond (2);
Described first accurate filter (5) outlet is connected with described ultra-filtration equipment (6), and described ultra-filtration equipment (6) is connected with the first internal circulation system after producing the mouth of a river; Described first internal circulation system comprises the ultrafiltration forming loop and produces water tank (7), high-pressure pump (8), one-level RO concentrating unit (9), deep desalting high-pressure pump (11) and deep desalting RO device (12), described deep desalting RO device (12) outlet is connected to described ultrafiltration and produces water tank (7) formation loop, and described deep desalting RO device (12) is connected to pure water retrieving arrangement for reclaiming pure water after described first internal circulation system internal recycle completes;
The dense water out of described one-level RO concentrating unit (9) is connected with the second internal circulation system; Described second internal circulation system comprises the concentrated water tank (14), secondary concentration high-pressure pump (15), high-efficient electrolysis device (17) and the secondary RO concentrating unit (16) that form loop; Described secondary RO concentrating unit (16) is provided with three outlets, and an outlet is connected to described wastewater collection pond (2), and another outlet is connected to described high-efficient electrolysis device (17), and Article 3 outlet is connected to dense water sewage collecting box (18).
2. automobile decoration piece electroplating waste water treatment system according to claim 1, is characterized in that: be connected with contact break pond (21) after described high-efficient electrolysis device (20) in turn, one-level catches pond (22), flocculation agent pond (23) and the first gel pond (24).
3. automobile decoration piece electroplating waste water treatment system according to claim 2, is characterized in that: be connected with one-level inclined-plate clarifying basin (25), second capture pond (26) and the second gel pond (27) after described gel pond (24) in turn.
4. automobile decoration piece electroplating waste water treatment system according to claim 3, is characterized in that: be connected with secondary inclined-plate clarifying basin (28), the second topping-up pump (29), more medium filter (30), activated charcoal filter (31) and the second accurate filter (32) in turn behind described second gel pond (27).
5. automobile decoration piece electroplating waste water treatment system according to claim 4, is characterized in that: be connected with the first topping-up pump (19) after described dense water sewage collecting box (18) in turn and be provided with intermediate water tank (10) between the described one-level RO concentrating unit (9) of high-efficient electrolysis device (20) and deep desalting high-pressure pump (11).
6. automobile decoration piece electroplating waste water treatment system according to claim 3, is characterized in that: the pH value equalizing tank that described contact break pond (21) is chromium system complex compound.
7. automobile decoration piece electroplating waste water treatment system according to claim 6, is characterized in that: described one-level catches the reduction pond that pond (22) is chromium system complex compound.
8. automobile decoration piece electroplating waste water treatment system according to claim 6, is characterized in that: be connected with ionic adsorption device behind described second gel pond (27).
9. automobile decoration piece electroplating waste water treatment system according to claim 8, is characterized in that: described ionic adsorption device comprises the modified double resin ion-exchanger pillar of gel strong acid type Al-type ion exchange resin and macropore weak-type Al-type ion exchange resin composition.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420863089.XU CN204417261U (en) | 2014-12-31 | 2014-12-31 | Automobile decoration piece electroplating waste water treatment system |
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|---|---|---|---|
| CN201420863089.XU CN204417261U (en) | 2014-12-31 | 2014-12-31 | Automobile decoration piece electroplating waste water treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104529020A (en) * | 2014-12-31 | 2015-04-22 | 浙江东洋环境工程有限公司 | Electroplating effluent treatment system of car ornament |
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2014
- 2014-12-31 CN CN201420863089.XU patent/CN204417261U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104529020A (en) * | 2014-12-31 | 2015-04-22 | 浙江东洋环境工程有限公司 | Electroplating effluent treatment system of car ornament |
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