CN209322631U - A kind of nickel chromium triangle wastewater treatment and renovation system that anodized surface processing generates - Google Patents
A kind of nickel chromium triangle wastewater treatment and renovation system that anodized surface processing generates Download PDFInfo
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- CN209322631U CN209322631U CN201822078766.8U CN201822078766U CN209322631U CN 209322631 U CN209322631 U CN 209322631U CN 201822078766 U CN201822078766 U CN 201822078766U CN 209322631 U CN209322631 U CN 209322631U
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- anodized surface
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Abstract
The utility model discloses a kind of nickel chromium triangle wastewater treatment and renovation system that anodized surface processing generates, it includes processing unit and reuse unit, the processing unit includes the catalytic multi-phase reactor being sequentially connected, first pH conditioning tank, advanced oxidation pond, 2nd pH conditioning tank, flocculation basin, sedimentation basin, filter and ion exchange system, the reuse unit includes concatenated RO system and DTRO system, the system uses electrochemistry, chemistry, the technology that ionic adsorption and UF membrane etc. combine, the nickel in nickeliferous sealing of hole waste liquid and chromium-containing dyeing waste water that can be effectively generated anodized surface processing without classification, chromium ion and organic pollutant removal, avoid the harm caused by the ecological environment of periphery of waste water outlet, and it can be realized the circulating and recovering of water resource, reduce processing difficulty and operating cost, sufficiently Embody environmental benefit and economic benefit.
Description
Technical field
The utility model relates to industrial waste water treatments, and in particular to a kind of processing of anodized surface generates
Nickel chromium triangle wastewater treatment and renovation system.
Background technique
Industrial is usually to enable aluminum alloy to have better surface characteristic and glossiness, generally need to be by anodic oxidation
Reason.Typical anode oxidation surface processing process process includes: workpiece → pickling → alkali cleaning → polishing → anodic oxidation → dyeing
→ sealing of hole → drying → finished product, the every procedure front and back of production process is respectively provided with washing pool, for the workpiece Jing Guo each process
It is cleaned.Therefore, every procedure can generate waste liquid in a large amount of washing waste water and pond.Contain a large amount of oil in this kind of waste water
The harmful substances such as rouge, surfactant, total nitrogen, total phosphorus, dyestuff, heavy metal nickel, chromium lead to waste water COD, total nitrogen, total phosphorus concentration
It is high.The universal biodegradability of the waste water is poor, and coloration is high.
Conventional waste water treatment process be will produce classification of waste collect classification processing, common processing method have chemistry again
Method, electrolysis method, bioanalysis, ion-exchange etc..Aluminum component, which has to pass through dyeing processing, just has good decorative performance, now sun
The most commonly used is chemical staining in the oxidation film coloring technology of pole, which is adsorbed using the porosity and chemical activity of oxidation film layer
Various pigments and make oxidation film coloring.A series of dyeing processing generate a large amount of waste water containing heavy-metal stain, wherein most malicious with chromium
Property, it is also most difficult to handle.In addition, nickel salt type oxidation film sealant is largely used in anodic oxidation hole-sealing technology, in waste water
Nickel content is also very high.
To sum up, existing anodized surface processing waste water seriously leads to being largely lost for water resource and heavy metal resources.Separately
Outside, for the lesser anodized surface process for producing line of scale, classification processing undoubtedly increase treatment process complexity and
Enterprise operation cost.
Therefore, the prior art is up for further developing.
Utility model content
In order to overcome the deficiencies of the prior art, the utility model provides a kind of nickel chromium triangle waste water that anodized surface processing generates
Treatment for reuse system.
For this purpose, the technology employed by the present utility model is
A kind of nickel chromium triangle wastewater treatment and renovation system that anodized surface processing generates, wherein including processing unit and return
With unit, the processing unit includes catalytic multi-phase reactor, the first pH conditioning tank, advanced oxidation pond, the 2nd pH conditioning tank, wadding
Solidifying pond, sedimentation basin, filter and ion exchange system, the reuse unit include RO system and DTRO system, wherein described more
The water outlet of phase catalytic reaction device connects the water inlet connection of the first pH conditioning tank, the water outlet and height of the first pH conditioning tank
The water inlet connection of grade oxidation pond, the water outlet in the advanced oxidation pond connect with the water inlet of the 2nd pH conditioning tank, and described the
The water outlet of two pH conditioning tanks and the water inlet of flocculation basin connect, and the water outlet of the flocculation basin and the water inlet of sedimentation basin connect
It connects, the water inlet of the water outlet of the sedimentation basin and filter connects, the water outlet of the filter and ion exchange system
Water inlet connection, the water outlet of ion exchange system are sequentially connected RO system and DTRO system.
The nickel chromium triangle wastewater treatment and renovation system that the anodized surface processing generates, wherein the heterogeneous catalysis is anti-
Answer device using graphite plate as reactor anode and cathode.
The nickel chromium triangle wastewater treatment and renovation system that the anodized surface processing generates, wherein as reactor yin-yang
Granule electrode is filled between the graphite plate of pole, the granule electrode material is iron carbon particle.
The nickel chromium triangle wastewater treatment and renovation system that the anodized surface processing generates, wherein the advanced oxidation pond
Ferrous sulfate and hydrogen peroxide are added, Fenton oxidation reaction occurs.
The nickel chromium triangle wastewater treatment and renovation system that the anodized surface processing generates, wherein the ion exchange system
System is connected in series by nickel ion adsorption column and chromium ion adsorption column.
The nickel chromium triangle wastewater treatment and renovation system that the anodized surface processing generates, wherein enter treatment for reuse system
The nickel chromium triangle waste water of system first passes through nickeliferous, chromium composite waste collecting pit and collects, nickeliferous, chromium composite waste collecting pit the water outlet
It is connect with the water inlet of catalytic multi-phase reactor.
The nickel chromium triangle wastewater treatment and renovation system that the anodized surface processing generates, wherein RO system and DTRO system
System generates concentrate and is emitted into nickeliferous, chromium composite waste collecting pit in processing unit.
The nickel chromium triangle wastewater treatment and renovation system that the described anodized surface processing generates, wherein the RO system and
DTRO system reconnects recycle-water collecting pit after passing sequentially through pipeline connection.
The nickel chromium triangle wastewater treatment and renovation system that the anodized surface processing generates, wherein the precipitating bottom of pond portion
It is connect by pipeline with sludge dewatering equipment, is provided with pressure dredge pump in the sedimentation basin and sludge dewatering equipment connecting pipe.
The utility model has the advantages that
The utility model provides a kind of nickel chromium triangle wastewater treatment and renovation system that anodized surface processing generates, which adopts
The technology combined with electrochemistry, chemistry, ionic adsorption and UF membrane etc., can be effectively by anodized surface without classification
Nickel, chromium ion and the organic pollutant removal in the nickeliferous sealing of hole waste liquid and chromium-containing dyeing waste water generated are handled, waste water is avoided
Outlet is endangered caused by the ecological environment of periphery, and can be realized the circulating and recovering of water resource, reduces processing difficulty and operation
Cost has fully demonstrated environmental benefit and economic benefit.
Detailed description of the invention
Fig. 1 is the treatment for reuse system pie graph that nickel waste water is electroplated in the utility model embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those skilled in the art are obtained without creative efforts
The every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that be expressed " being fixed on " another element when element, it can directly on the other element,
Or there may be one or more elements placed in the middle therebetween.When an element is expressed " connection " another element, it can be with
It is directly to another element or there may be one or more elements placed in the middle therebetween.Used in this specification
The orientation or position of the instructions such as term "vertical", "horizontal", "left" and "right", "upper", "lower", "inner", "outside", " bottom "
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be construed as a limitation of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and cannot understand
For indication or suggestion relative importance.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model
The normally understood meaning of the technical staff in art field is identical.Art used in the description of the utility model in this specification
Language is only for the purpose of describing specific embodiments, and is not intended to limitation the utility model.Art used in this specification
Language "and/or" includes any and all combinations of one or more related listed items.In addition, sheet disclosed below
Technical characteristic involved in utility model different embodiments can be combined with each other as long as they do not conflict with each other.
The nickel chromium triangle wastewater treatment and renovation system that a kind of processing of anodized surface generates as shown in Figure 1 include processing unit and
Reuse unit, wherein the specific equipment of processing unit is constituted are as follows: nickeliferous, chromium wastewater collection pond 1 is connected with catalytic multi-phase reactor 2；
Catalytic multi-phase reactor 2 is connected with the first pH conditioning tank 3, and the first pH conditioning tank 3 is connected with advanced oxidation pond 4, advanced oxidation pond 4
Be connected with the 2nd pH conditioning tank 5, the 2nd pH conditioning tank 5 is connected with flocculation basin 6, and flocculation basin 6 is connected with sedimentation basin 7, sedimentation basin 7 with
Filter 8, filter 8 are connected with ion exchange system 9, and 7 bottom of sedimentation basin is by pressing dredge pump 15 to be connected with sludge dewatering equipment 13.
The specific equipment of reclaiming system is constituted are as follows: ion exchange system 9 is connected with RO system 10, RO system 10 and DTRO system 11, DTRO
System 11 is connected with recycle-water collecting pit 12.There is water pump 14 to be connected between each processing structures.
It is reactor anode and cathode that catalytic multi-phase reactor, which selects graphite plate, in the present embodiment processing system, is filled with grain therebetween
Sub-electrode, the granule electrode material selection iron carbon particle.Fe can be released2+Catalysis is accelerated to form oxidisability extremely strong
OH can make organic matter difficult to degrade in waste water be oxidized the organic matter for resolving into small molecule, can especially make chrome complex dye molecule and
Nickel contact break is complexed.In addition the porous structure of iron carbon particle can adsorb coloured dye molecule, achieve the purpose that decoloration.Specifically
, granule electrode amount of filler is 1000 kg (by processing water calculating per ton)；Current density is arranged in 40~55mA/cm2, expose
Gas intensity is 600~800L/h, reaction contact time 1-2h.
The control of the first pH conditioning tank pH adjustable range is 2.0-4.0 in the present embodiment processing system, and entire reaction process is adopted
With pH monitor controller, pH value is monitored on-line, automatically control metering pump and add soda acid amount, drug consumption is minimized and protected
The stabilization for demonstrate,proving treatment effect, reduces the influence of human factor.
The middle-and-high-ranking oxidation pond of the present embodiment processing system adds the ferrous sulfate and hydrogen peroxide for launching that mass ratio is 1.2:1,
Fenton oxidation reaction occurs, is oxidized organic matter difficult to degrade in waste water further.It can also make the chromophore in dyestuff simultaneously
Group and auxochrome group unsaturated structure are destroyed, and waste water decolourizes completely.Reacting the control of water conservancy residence time is 1-1.5h.
The control of the 2nd pH conditioning tank pH adjustable range is 8.0-10.0 in the present embodiment processing system, and entire reaction process is adopted
With pH monitor controller, pH value is monitored on-line, automatically control metering pump and add soda acid amount, drug consumption is minimized and protected
The stabilization for demonstrate,proving treatment effect, reduces the influence of human factor.
Flocculation basin adds a kind of non-ionic high polymer coagulant PAM polyacrylamide in the present embodiment processing system.PAM
The molecule of polyacrylamide can build bridge with the suspended particles being scattered in solution and adsorb, and have extremely strong flocculation.
Sedimentation basin base sludge is pressed dredge pump to drain into sludge dewatering equipment and dry mud is made in the present embodiment processing system, is transported outward.
Sedimentation basin upper end clear water enters ion exchange system after being filtered.
The present embodiment processing system intermediate ion exchange system by nickel ion adsorption column and chromium ion adsorption column two-stage series connection and
At.Ionic adsorption column is filled with specific ion resin base weight metal absorbent.The resin base weight metal absorbent has larger suction
Attached area can only adsorb a kind of specific ion without adsorbing other ions in very wide condition and range.In the composite waste
Micro-nickel, the chromium ion of remnants can be adsorbed, and water outlet nickel, chromium concn reach discharge standard for electroplating pollutants (GB21900-
2008) three discharge standard of table.
Front-end processing system water outlet passes sequentially through RO system in the present embodiment reclaiming system and DTRO system is handled,
The penetrating fluid of DTRO system is collected in recycle-water collecting pit, is connected to production line washing pool.
The control of RO operating pressure is 2000-5000kPa in the present embodiment reclaiming system；DTRO operating pressure control
It is made as 1000-6000kPa.
The concentrate of RO system and DTRO system is emitted into nickeliferous, chromium in front-end processing system in the present embodiment reclaiming system
Composite waste collecting pit.
The utility model provides a kind of nickel chromium triangle wastewater treatment and renovation system that anodized surface processing generates, which adopts
The technology combined with electrochemistry, chemistry, ionic adsorption and UF membrane etc., can be effectively by anodized surface without classification
Nickel, chromium ion and the organic pollutant removal in the nickeliferous sealing of hole waste liquid and chromium-containing dyeing waste water generated are handled, waste water is avoided
Outlet is endangered caused by the ecological environment of periphery, and can be realized the circulating and recovering of water resource, reduces processing difficulty and operation
Cost has fully demonstrated environmental benefit and economic benefit.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The utility model design is subject to equivalent substitution or change, and all these changes or replacement all should belong to appended by the utility model
Scope of protection of the claims.
Claims (9)
1. a kind of nickel chromium triangle wastewater treatment and renovation system that anodized surface processing generates, which is characterized in that including processing unit
With reuse unit, the processing unit includes catalytic multi-phase reactor, the first pH conditioning tank, advanced oxidation pond, the 2nd pH adjusting
Pond, flocculation basin, sedimentation basin, filter and ion exchange system, the reuse unit include RO system and DTRO system, wherein
The water outlet of the catalytic multi-phase reactor connects the water inlet connection of the first pH conditioning tank, the water outlet of the first pH conditioning tank
Mouth is connect with the water inlet in advanced oxidation pond, and the water outlet in the advanced oxidation pond is connect with the water inlet of the 2nd pH conditioning tank,
The water outlet of the 2nd pH conditioning tank and the water inlet of flocculation basin connect, the water inlet of the water outlet and sedimentation basin of the flocculation basin
Mouth connection, the water outlet of the sedimentation basin and the water inlet of filter connect, the water outlet of the filter and ion exchange system
The water inlet of system connects, and the water outlet of ion exchange system is sequentially connected RO system and DTRO system.
2. the nickel chromium triangle wastewater treatment and renovation system that anodized surface processing according to claim 1 generates, feature exist
In the catalytic multi-phase reactor is using graphite plate as reactor anode and cathode.
3. the nickel chromium triangle wastewater treatment and renovation system that anodized surface processing according to claim 2 generates, feature exist
In as granule electrode is filled between the graphite plate of reactor anode and cathode, the granule electrode material is iron carbon particle.
4. the nickel chromium triangle wastewater treatment and renovation system that anodized surface processing according to claim 1 generates, feature exist
In the advanced oxidation pond adds ferrous sulfate and hydrogen peroxide, and Fenton oxidation reaction occurs.
5. the nickel chromium triangle wastewater treatment and renovation system that anodized surface processing according to claim 1 generates, feature exist
In the ion exchange system is connected in series by nickel ion adsorption column and chromium ion adsorption column.
6. the nickel chromium triangle wastewater treatment and renovation system that anodized surface processing according to claim 1 generates, feature exist
In the nickel chromium triangle waste water into treatment for reuse system first passes through nickeliferous, chromium composite waste collecting pit collection, nickeliferous, the chromium mixing
The water outlet of wastewater collection pond and the water inlet of catalytic multi-phase reactor connect.
7. the nickel chromium triangle wastewater treatment and renovation system that anodized surface processing according to claim 6 generates, feature exist
In RO system and DTRO system generate concentrate and be emitted into nickeliferous, chromium composite waste collecting pit in processing unit.
8. the nickel chromium triangle wastewater treatment and renovation system that anodized surface processing according to claim 7 generates, feature exist
In the RO system passes sequentially through reconnection recycle-water collecting pit after the pipeline connects with DTRO system.
9. the nickel chromium triangle wastewater treatment and renovation system that anodized surface processing according to claim 1 generates, feature exist
In the precipitating bottom of pond portion is connect by pipeline with sludge dewatering equipment, is set in the sedimentation basin and sludge dewatering equipment connecting pipe
It is equipped with pressure dredge pump.
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| CN201822078766.8U CN209322631U (en) | 2018-12-12 | 2018-12-12 | A kind of nickel chromium triangle wastewater treatment and renovation system that anodized surface processing generates |
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| CN201822078766.8U CN209322631U (en) | 2018-12-12 | 2018-12-12 | A kind of nickel chromium triangle wastewater treatment and renovation system that anodized surface processing generates |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109399837A (en) * | 2018-12-12 | 2019-03-01 | 深圳市世清环保科技有限公司 | A kind of nickel chromium triangle wastewater treatment and renovation system that anodized surface processing generates |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109399837A (en) * | 2018-12-12 | 2019-03-01 | 深圳市世清环保科技有限公司 | A kind of nickel chromium triangle wastewater treatment and renovation system that anodized surface processing generates |
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