CN203269698U - Online waste water treatment and recovery device on anodic oxidization line - Google Patents
Online waste water treatment and recovery device on anodic oxidization line Download PDFInfo
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- CN203269698U CN203269698U CN 201320318303 CN201320318303U CN203269698U CN 203269698 U CN203269698 U CN 203269698U CN 201320318303 CN201320318303 CN 201320318303 CN 201320318303 U CN201320318303 U CN 201320318303U CN 203269698 U CN203269698 U CN 203269698U
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Abstract
The utility model discloses an online waste water treatment and recovery device on an anodic oxidization line. The online waste water treatment and recovery device is provided with a first online recovery treatment system, a second online recovery treatment system and a nickel-containing waste water treatment and recovery system, wherein the first online recovery treatment system recovers overflowing water of a first desmut rinsing bath into a chemical etching rinsing bath, the overflowing water of the chemical etching rinsing bath is subjected to pH regulation, then filtered and recovered into a second desmut rinsing bath, the overflowing water of an anodic oxidizing rinsing bath is subjected to pH regulation, filtered and recovered to a chemical polishing rinsing bath, the nickel-containing waste water treatment and recovery system pumps the overflowing water of a water-soluble hole sealed rinsing bath into a two-stage ion exchange system, outflowing water is recovered into the water-soluble hole sealed rinsing bath. With the online waste water treatment and recovery device, the waste water discharge volume of the production line can be reduced, the waste water treatment cost of enterprises can be lowered, the waste water is recovered in an online manner, the production cost is lowered, and the cleaning production degree can be improved.
Description
Technical field
The utility model belongs to the sewage treatment equipment field of environmental engineering, is specifically related to a kind of processing and reclamation set of waste water of anodic oxidation line generation.
Background technology
The anodic oxidation aluminium sheet is widely used in the industries such as mechanical component, aircraft automobile parts, precision instrument and radio component parts, building decoration, machine casing, lamp lighting, consumer electronics, artwork, household electrical appliance, indoor decoration, label, furniture, automobile decoration.
Increase day by day along with the Taihu Lake basin environmental protection pressure; the special emission limit of table 3 water pollutant in the discharge of wastewater palpus reference " plating pollutant emission standard " (GB21900-2008) that this zone anodic oxidation line produces, this has higher requirement to reducing discharge of wastewater and treatment technology.
At present, this type of enterprise processes rear reuse by waste water being carried out end mostly, and its cost and difficulty are larger.
The production technique of typical anode oxidation is as follows: aluminum component → pre-treatment → chemical rightenning → anodic oxidation → dyeing → sealing of hole → finished product.Wherein, all can produce a large amount of washing waste waters before and after each procedure, tradition wastewater treatment and reuse technology are that the factory effluent classification is discharged to waste water processing station, suitable water source carries out after pre-treatment the penetration depth treatment system again, and (as: biochemistry+UF+RO), water outlet adds in the former water of making pure water again.The waste water that is not suitable for reuse is qualified discharge after treatment.Traditional treatment process is loaded down with trivial details, tediously long, and investment is large, complex management.
The utility model content
In order to overcome defects, the utility model provides waste water online treatment reclamation set on a kind of anodic oxidation line, on this anodic oxidation line waste water online treatment reclamation set with the online reuse of waste water after, wastewater discharge greatly reduces, and the waste water of discharging does not need the processing of classifying again, only need to get final product after biochemical treatment, the investment of wastewater treatment and reuse and working cost are all reduced greatly.
The utility model for the technical scheme that solves its technical problem and adopt is:
Waste water online treatment reclamation set on a kind of anodic oxidation line is provided with the first online recycling processing system, the second online recycling processing system and nickel-containing waste water and processes reclaiming system, wherein,
the described first online recycling processing system is provided with the first gathering barrel, the first recycle pump, the second gathering barrel, the second recycle pump and sand-bed filter, the overflow water of the first desmut after washing groove of anodic oxidation line is collected in described the first gathering barrel, described the first gathering barrel water outlet is stung the after washing groove by the alkali that pipeline is delivered to the anodic oxidation line, and the pipeline that the first gathering barrel and described alkali are stung between the after washing groove is provided with described the first recycle pump, the overflow water that described alkali is stung the after washing groove is collected into described the second gathering barrel, described the second gathering barrel is connected to described sand-bed filter by pipeline, and the pipeline between described the second gathering barrel and described sand-bed filter is provided with described the second recycle pump, described sand-bed filter water outlet is delivered to described the first desmut after washing groove by pipeline,
The described second online recycling processing system is provided with the 3rd gathering barrel, the 3rd recycle pump and strainer, the overflow water of the anodic oxidation after washing groove of anodic oxidation line is collected into the 3rd gathering barrel, described the 3rd gathering barrel is connected to described strainer by pipeline, and the pipeline between described the 3rd gathering barrel and described strainer is provided with described the 3rd recycle pump, described strainer water outlet is delivered to the chemical rightenning after washing groove of anodic oxidation line by pipeline, before the anodic oxidation of anodic oxidation line, the overflow water of washing bath is delivered to the second desmut after washing groove by pipeline;
described nickel-containing waste water is processed reclaiming system and is provided with the 4th gathering barrel, the 4th recycle pump, one-level ion exchange system and secondary ion exchange system, the overflow water of the water-soluble sealing of hole after washing groove of anodic oxidation line is collected into described the 4th gathering barrel, described the 4th gathering barrel is connected to described one-level ion exchange system by pipeline, pipeline between described the 4th gathering barrel and described one-level ion exchange system is provided with described the 4th recycle pump, described one-level ion exchange system is connected to described secondary ion exchange system by pipeline, the water outlet of described secondary ion exchange system is delivered to described water-soluble sealing of hole after washing groove by pipeline.
The beneficial effects of the utility model are: on anodic oxidation line of the present utility model, waste water online treatment reclamation set is the first online recycling processing system, the second online recycling processing system and nickel-containing waste water processing reclaiming system to be set reduce wastewater discharge on the anodic oxidation line, technology of middle water recycle is combined with the enterprise production line, accomplish online recycling, reduced the discharge of wastewater of production line, reduced the scale wastewater treatment cost, the online reuse of waste water, reduce production cost, improved the cleaner production degree.
Description of drawings
Fig. 1 is the of the present utility model first online recycling processing system figure;
Fig. 2 is the of the present utility model second online recycling processing system figure;
Fig. 3 is that nickel-containing waste water of the present utility model is processed reclaiming system figure.
Embodiment
Below by specific specific examples explanation embodiment of the present utility model, those of ordinary skills understand advantage of the present utility model and effect easily by content disclosed in the present specification.
Embodiment: waste water online treatment reclamation set on a kind of anodic oxidation line, be provided with the first online recycling processing system, the second online recycling processing system and nickel-containing waste water and process reclaiming system, wherein,
the described first online recycling processing system is provided with the first gathering barrel 11, the first recycle pump 12, the second gathering barrel 13, the second recycle pump 14 and sand-bed filter 15, the overflow water of the first desmut after washing groove 16 of anodic oxidation line is collected in described the first gathering barrel 11, described the first gathering barrel 11 water outlets are stung after washing groove 17 by the alkali that pipeline is delivered to the anodic oxidation line, and the pipeline that the first gathering barrel 11 and described alkali are stung between after washing groove 17 is provided with described the first recycle pump 12, the overflow water that described alkali is stung after washing groove 17 is collected into described the second gathering barrel 13, carrying out PH in described the second gathering barrel regulates, described the second gathering barrel 13 is connected to described sand-bed filter 15 by pipeline, and the pipeline between described the second gathering barrel and described sand-bed filter is provided with described the second recycle pump 14, described sand-bed filter 15 water outlets are delivered to described the first desmut after washing groove 16 by pipeline,
the described second online recycling processing system is provided with the 3rd gathering barrel 21, the 3rd recycle pump 22 and strainer 23, the overflow water of the anodic oxidation after washing groove 24 of anodic oxidation line is collected into the 3rd gathering barrel 21, carry out described pH regulator in described the 3rd gathering barrel, described the 3rd gathering barrel 21 is connected to described strainer 23 by pipeline, and the pipeline between described the 3rd gathering barrel and described strainer is provided with described the 3rd recycle pump 22, described strainer 23 water outlets are delivered to the chemical rightenning after washing groove 25 of anodic oxidation line by pipeline, before the anodic oxidation of anodic oxidation line, the overflow water of washing bath 26 is delivered to the second desmut after washing groove 27 by pipeline,
described nickel-containing waste water is processed reclaiming system and is provided with the 4th gathering barrel 31, the 4th recycle pump 32, one-level ion exchange system 33 and secondary ion exchange system 34, the overflow water of the water-soluble sealing of hole after washing groove 35 of anodic oxidation line is collected into described the 4th gathering barrel 31, described the 4th gathering barrel is connected to described one-level ion exchange system 33 by pipeline, pipeline between described the 4th gathering barrel and described one-level ion exchange system is provided with described the 4th recycle pump 32, described one-level ion exchange system is connected to described secondary ion exchange system 34 by pipeline, the water outlet of described secondary ion exchange system is delivered to described water-soluble sealing of hole after washing groove 35 by pipeline.
The described first online recycling processing system is that overflow water reuse to the alkali of the first desmut after washing is stung the after washing water, the overflow water of alkali being stung after washing is through the pH regulator desmut of reuse to the first after filtering after washing water again, wherein, pH regulator adds adjusting by soda acid, the management and control index of the described first online recycling processing system is: pH:2～8, specific conductivity:＜4ms/cm, turbidity: limpid.Stinging tank liquor due to alkali is sodium hydroxide, the first desmut tank liquor is nitric acid, the described first online recycling processing system is to utilize alkali to sting the nitric acid neutralization that sodium hydroxide that after washing brings into and the washing of the first desmut are brought into, does not add liquid caustic soda or sulfuric acid adjusting if pH value reaches claimed range.In pH value 5～7 o'clock, in water, aluminum ion can the aluminium hydroxide form filters and removes.Sting the increase of groove, the first desmut and the acid-alkali accommodation amount of bringing into along with alkali, the washing electrical conductivity of water will have the trend of rising, when reach the management and control value upper in limited time, this moment to alkali sting after washing, the first desmut after washing carries out emissions groove, again add new water and again circulate.In the described first online recycling processing system, the washing spillway discharge is controlled at 2～4t/h, changes the water frequency and is about 1 times/day, 2 times/days of sand-bed filter backwash frequency, each 5～10 minutes, 0.5～1 ton of each backwash water.
The described second online recycling processing system is overflow water reuse to the second desmut after washing water that will wash before anodic oxidation, with the overflow water of anodic oxidation after washing through pH regulator to neutrality again reuse after filtering to chemical rightenning after washing water, wherein, pH regulator is regulated by adding alkali, and this second online recycling processing system need to regularly replace filter core or the filter bag of strainer.Owing to adopting pure water cleaning, effluent quality specific conductivity＜2000 μ s/cm, pH value before and after anodic oxidation〉the poorest the washing together of 2(), and chemical rightenning after washing and second desmut after washing water quality requirement specific conductivity＜4000 μ s/cm, the pH value〉2.Therefore, this second online recycling processing system cleans after rinse water reuse to the second desmut before with anodic oxidation, and after anodic oxidation, rinse water reuse after filtering to chemical rightenning water for cleaning satisfies production requirement.
It is that overflow water with water-soluble sealing of hole after washing pumps into the two-stage ion exchange system after collecting that described nickel-containing waste water is processed reclaiming system, and the water outlet direct reuse is to water-soluble sealing of hole after washing water.
Claims (1)
1. waste water online treatment reclamation set on an anodic oxidation line is characterized in that: is provided with the first online recycling processing system, the second online recycling processing system and nickel-containing waste water and processes reclaiming system, wherein,
the described first online recycling processing system is provided with the first gathering barrel (11), the first recycle pump (12), the second gathering barrel (13), the second recycle pump (14) and sand-bed filter (15), the overflow water of the first desmut after washing groove (16) of anodic oxidation line is collected in described the first gathering barrel (11), described the first gathering barrel (11) water outlet is stung after washing groove (17) by the alkali that pipeline is delivered to the anodic oxidation line, and the pipeline that the first gathering barrel (11) and described alkali are stung between after washing groove (17) is provided with described the first recycle pump (12), the overflow water that described alkali is stung after washing groove (17) is collected into described the second gathering barrel (13), described the second gathering barrel (13) is connected to described sand-bed filter (15) by pipeline, and the pipeline between described the second gathering barrel and described sand-bed filter is provided with described the second recycle pump (14), described sand-bed filter (15) water outlet is delivered to described the first desmut after washing groove (16) by pipeline,
the described second online recycling processing system is provided with the 3rd gathering barrel (21), the 3rd recycle pump (22) and strainer (23), the overflow water of the anodic oxidation after washing groove (24) of anodic oxidation line is collected into the 3rd gathering barrel (21), described the 3rd gathering barrel (21) is connected to described strainer (23) by pipeline, and the pipeline between described the 3rd gathering barrel and described strainer is provided with described the 3rd recycle pump (22), described strainer (23) water outlet is delivered to the chemical rightenning after washing groove (25) of anodic oxidation line by pipeline, before the anodic oxidation of anodic oxidation line, the overflow water of washing bath (26) is delivered to the second desmut after washing groove (27) by pipeline,
described nickel-containing waste water is processed reclaiming system and is provided with the 4th gathering barrel (31), the 4th recycle pump (32), one-level ion exchange system (33) and secondary ion exchange system (34), the overflow water of the water-soluble sealing of hole after washing groove (35) of anodic oxidation line is collected into described the 4th gathering barrel (31), described the 4th gathering barrel is connected to described one-level ion exchange system (33) by pipeline, pipeline between described the 4th gathering barrel and described one-level ion exchange system is provided with described the 4th recycle pump (32), described one-level ion exchange system is connected to described secondary ion exchange system (34) by pipeline, the water outlet of described secondary ion exchange system is delivered to described water-soluble sealing of hole after washing groove (35) by pipeline.
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| CN 201320318303 CN203269698U (en) | 2013-06-04 | 2013-06-04 | Online waste water treatment and recovery device on anodic oxidization line |
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| CN 201320318303 CN203269698U (en) | 2013-06-04 | 2013-06-04 | Online waste water treatment and recovery device on anodic oxidization line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104829000A (en) * | 2015-04-20 | 2015-08-12 | 侨健新能源科技（苏州）有限公司 | Chemical waste water recovery device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104829000A (en) * | 2015-04-20 | 2015-08-12 | 侨健新能源科技（苏州）有限公司 | Chemical waste water recovery device |
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Granted publication date: 20131106 |