CN205133311U - Copper -containing is electroplated and is washd effluent disposal system - Google Patents

Copper -containing is electroplated and is washd effluent disposal system Download PDF

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Publication number
CN205133311U
CN205133311U CN201520777045.XU CN201520777045U CN205133311U CN 205133311 U CN205133311 U CN 205133311U CN 201520777045 U CN201520777045 U CN 201520777045U CN 205133311 U CN205133311 U CN 205133311U
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China
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water
copper
outlet
electrolyzer
electroplating cleaning
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CN201520777045.XU
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Chinese (zh)
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殷嘉仪
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Individual
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Abstract

The utility model relates to a copper -containing is electroplated and is washd effluent disposal system, this headtotail is on electroplating belt cleaning device, and the system includes former water tank (3), filter (5), ion exchange unit and electrolytic device, former water tank (3) water inlet with electroplate belt cleaning device and be connected, the delivery port is connected with filter (5) water inlet, ion exchange unit include export of water inlet, clear water and eluate export, its water inlet is connected with filter (5) delivery port, the clear water export exports with the eluate to be connected with electroplating belt cleaning device, its eluate exports and still is connected to electrolytic device. Compared with the prior art, the utility model has the advantages of simple structure, environmental protection are reliably, no secondary pollution just can cyclic utilization.

Description

A kind of copper-contained electroplating Cleaning Wastewater treatment system
Technical field
The utility model relates to a kind of electroplating waste water treatment system, especially relates to a kind of copper-contained electroplating Cleaning Wastewater treatment system.
Background technology
Plating is the process utilizing electrolysis principle to plate other metal or alloy of skim on some metallic surface, prevent burning (as corrosion) to play, improve the effects such as wear resistance, electroconductibility, reflective, erosion resistance (copper sulfate etc.) and having improved aesthetic appearance.
Electroplate that industrially highly versatile, the distribution of factory's point are wide, contained highly toxic substance kind is many in the waste water that produces, hazardness large, particularly teratogenesis, carcinogenic, mutagenic matter.Copper is to human hematopoietic cell, and activity and the incretory gland function of enzyme all have impact, special in the copper concentration in water body is more than 0.1mg/L, and fish can be made lethal.At present, the treatment unit for copper-contained electroplating waste water mainly contains electrolytic processing apparatus, ion exchange unit etc.Electrolytic processing apparatus major technique is under voltage is 3 ~ 4V condition, and by the effect of electric field, the cupric ion in solution is to cathodic migration, and negative ion anode is moved, and the cupric ion in solution can obtain electronics and separate out with metallic forms on negative electrode.This method removal effect is better, and non-secondary pollution also can reclaim precipitation metal, but when the water yield is larger, power consumption is more, and economic benefit is low, lower for low concentration wastewater electrolytic efficiency, processes after need concentrating again.For the treatment of the ion exchange unit of cupric Cleaning Wastewater, during process lower concentration copper-containing wastewater, effect is better, but needs regenerative elution, forms secondary pollution.
Utility model content
The purpose of this utility model be exactly in order to overcome above-mentioned prior art exist defect and a kind of copper-contained electroplating Cleaning Wastewater treatment system is provided.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of copper-contained electroplating Cleaning Wastewater treatment system, this system is connected on electroplating cleaning device, it is characterized in that, this system comprises raw water box, strainer, ion exchange unit and electrolyzer; Described raw water box water-in is connected with electroplating cleaning device, and water outlet is connected with strainer water-in; Described ion exchange unit comprises the outlet of water-in, clear water output and elutriant, and its water-in is connected with strainer water outlet, and clear water output is connected with electroplating cleaning device with elutriant outlet, and the outlet of its elutriant is also connected to electrolyzer.
Described electroplating cleaning device comprises the plating tank and Multilevel rinse tank that connect successively, and described Multilevel rinse tank waste pipe is connected with described raw water box.
Described ion exchange unit clear water output is connected with described Multilevel rinse tank, described elutriant exports and is connected to outlet conduit, outlet pipeline one end is connected to plating tank, the other end is connected to electrolyzer, clean water outlet after the ion-exchange clear water of discharging is for the cleaning after electroplating, and in elutriant, concentration part up to standard is directly as the replenisher of plating tank simultaneously, and rest part carries out electrolysis treatment, not only achieve the recycle of resource, reduce the working load of electrolyzer simultaneously.
Described ion exchange unit comprises two exchange columns and regeneration liquid bath that adopt the complete saturated exchange flow model of series-parallel connection to connect, and described regeneration liquid bath is connected to the water-in of ion exchange unit.
Na type weakly acidic cationic exchanger resin is loaded with in two described exchange columns.
The regenerated liquid of described regeneration liquid bath splendid attire is sulfuric acid.
Described electrolyzer comprises water storage tank and electrolyzer, described water storage tank water-in connects the elutriant outlet of ion exchange unit, water storage tank water outlet is connected with electrolyzer water-in by topping-up pump, and electrolyzer water outlet is connected to water storage tank water-in and forms circulation loop.
Described electrolyzer plate electrode fills Non-conductive particles, and its Anodic is graphite material, and negative electrode is copper sheet material, and polar plate spacing is 15mm.
Described filter body is carbon steel body, and filler is columnar activated carbon, and its particle diameter is 6 ~ 12 orders.
Described raw water box water outlet is connected with strainer water-in by lift pump.
Compared with prior art, the utility model tool has the following advantages:
(1) coupled ion exchanges and electrolysis tech, give full play to the advantage of monotechnics, fill up shortcoming, particularly solve the ion exchange unit elution fractions concentration problem affecting reuse and secondary pollution not up to standard, solve the problem of pre-concentration in electrolysis tech simultaneously, and utilized with ion copper and metal simple-substance copper two kinds of forms.It is reasonable in design, compact construction, not only ensure that electroplating quality requirement, also improves heavy metal recovery rate, decreases production cost;
(2) waste water is through the process of ion exchange unit, and its effluent quality reaches the standard of reuse water, and directly flows into rinse bath recycle by clear water output; The copper removed exists with the form of copper sulfate in elutriant, and get final product direct reuse to plating tank through simple process, realize recycle, elution fractions enters in electrolyzer in addition, and cupric ion is separated out and recycling at negative electrode with settling form; The whole process implementation recycling of waste water, non-secondary pollution produces, and not only has considerable environmental value, has more higher economic worth.。
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1 is plating tank, and 2 is Multilevel rinse tank, and 3 is raw water box, and 4 is lift pump, and 5 is strainer, and 6 is I ion exchange column, and 7 is No. II ion exchange column, and 8 is water storage tank, and 9 is topping-up pump, and 10 is electrolyzer, and 11 is regeneration liquid bath.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment
As shown in Figure 1, a kind of copper-contained electroplating Cleaning Wastewater treatment system, this system is connected on electroplating cleaning device, and this Waste Water Treatment comprises raw water box 3, strainer 5, ion exchange unit and electrolyzer; Described raw water box 3 water-in is connected with electroplating cleaning device, and water outlet is connected with strainer 5 water-in; Described ion exchange unit comprises the outlet of water-in, clear water output and elutriant, and its water-in is connected with strainer 5 water outlet, and clear water output is connected with electroplating cleaning device with elutriant outlet, and the outlet of its elutriant is also connected to electrolyzer.
Described electroplating cleaning device comprises the plating tank 1 connected successively and the Multilevel rinse tank 2 be communicated with step by step by hydraulic pipe, and described Multilevel rinse tank 2 waste pipe is connected by pipeline with described raw water box 3; Described ion exchange unit clear water output is connected with described Multilevel rinse tank 2, described elutriant outlet is then connected to outlet conduit, outlet pipeline one end is connected to plating tank 1, the other end is connected to water storage tank 8 water-in, by Valve controlling, clean water outlet after the ion-exchange clear water of discharging is for the cleaning after electroplating, simultaneously in elutriant concentration part up to standard directly as the replenisher of plating tank, rest part carries out electrolysis treatment, not only achieve the recycle of resource, reduce the working load of electrolyzer simultaneously.Wherein said ion exchange unit comprises two exchange columns and regeneration liquid bath 11 that adopt the complete saturated exchange flow model of series-parallel connection to connect, two exchange columns are respectively I ion exchange column 6 and No. II ion exchange column 7, Na type weakly acidic cationic exchanger resin is loaded with in two exchange columns, described regeneration liquid bath 11 is connected to the water-in of ion exchange unit, and the regenerated liquid of described regeneration liquid bath 11 splendid attire is sulfuric acid.
Described electrolyzer comprises water storage tank 8 and electrolyzer 10, described water storage tank 8 water-in connects the elutriant outlet of ion exchange unit, water storage tank 8 water outlet is connected with electrolyzer 10 water-in by topping-up pump 9, and electrolyzer 10 water outlet is connected to water storage tank 8 water-in and forms circulation loop.Described electrolyzer 10 plate electrode fills Non-conductive particles, and its Anodic is graphite material, and negative electrode is copper sheet material, and polar plate spacing is 15mm.Described strainer 5 body is carbon steel body, and filler is columnar activated carbon, and its particle diameter is 6 ~ 12 orders; Described raw water box 3 water outlet is connected with strainer 5 water-in by lift pump 4.
The electroplating cleaning wastewater flow of cupric is 2m 3/ h, raw water box 3 capacity is 5m 3, flow rate control, at 4.0m/h, is respectively equipped with 105LNa type 116B weakly acidic cationic exchanger resin in exchange column, resin layer height 1.5m, electrolyzer 10 voltage across poles 3.5V, cathode current density 1A/dm 2.Working process of the present utility model is:
1) plating piece is after multi-stage countercurrent cleaning, and the copper-containing wastewater of generation flows in raw water box 3, and under the effect of lift pump 4, enter strainer 5 pre-filtering;
2) then, after filter 5 pre-filtering process, first waste water enter in I ion exchange column 6 and exchange, and is greater than 1mg/dm when the concentration of copper in water outlet reaches 3time, exchanged by Valve controlling No. II ion exchange column 7;
3) when water outlet is consistent with influent concentration, I exchange column 6 shuts down and by-pass valve control allows the sulfuric acid of regeneration liquid bath 11 enter in I exchange column 6 and carry out regenerative process, and sulfuric acid concentration used is 1.5mol/dm 3, flow rate control at 1m/h, its consumption 2 doubly to the volume of exchanger, now individual operation No. II exchange column 7;
4) iterative cycles carry out step 3) and 4), the clear water produced is connected with rinse bath 2 by exchange column water outlet, the elutriant produced is connected with outlet pipeline by the water outlet of exchange column, part concentration elutriant up to standard directly returns plating tank 1 liquid as a supplement, and its uneven part is connected with water storage tank 8 by outlet pipeline;
5) subsequently, in water storage tank 8, elutriant is connected with electrolyzer 10 water-in by topping-up pump 9, in galvanization, negative electrode constantly has cupric ion and is reduced and deposits, the settling produced is recycling after reclaiming, and surplus solution is connected with water storage tank 8 water-in by electrolyzer 10 water outlet.Whole process circulation one, non-secondary pollution produces.
The copper-contained electroplating Cleaning Wastewater after the utility model process is used to complete the process of 2 tons of plating cupric Cleaning Wastewater per hour, discharge clear water can direct reuse to rinse bath 2, elutriant part directly returns plating tank 1 and supplements reuse, part enters electrolyzer 10 reduction and reclaims copper, heavy metal recovery rate is high, effluent quality is good, achieves the target that copper-contained electroplating Cleaning Wastewater Treatment and recovery utilizes.

Claims (10)

1. a copper-contained electroplating Cleaning Wastewater treatment system, this system is connected on electroplating cleaning device, it is characterized in that, this system comprises raw water box (3), strainer (5), ion exchange unit and electrolyzer; Described raw water box (3) water-in is connected with electroplating cleaning device, and water outlet is connected with strainer (5) water-in; Described ion exchange unit comprises the outlet of water-in, clear water output and elutriant, and its water-in is connected with strainer (5) water outlet, and clear water output is connected with electroplating cleaning device with elutriant outlet, and the outlet of its elutriant is also connected to electrolyzer.
2. a kind of copper-contained electroplating Cleaning Wastewater treatment system according to claim 1, it is characterized in that, described electroplating cleaning device comprises the plating tank (1) and Multilevel rinse tank (2) that connect successively, and described Multilevel rinse tank (2) waste pipe is connected with described raw water box (3).
3. a kind of copper-contained electroplating Cleaning Wastewater treatment system according to claim 2, it is characterized in that, described ion exchange unit clear water output is connected with described Multilevel rinse tank (2), described elutriant exports and is connected to outlet conduit, outlet pipeline one end is connected to plating tank (1), and the other end is connected to electrolyzer.
4. a kind of copper-contained electroplating Cleaning Wastewater treatment system according to claim 1, it is characterized in that, described ion exchange unit comprises two exchange columns and regeneration liquid bath (11) that adopt the complete saturated exchange flow model of series-parallel connection to connect, and described regeneration liquid bath (11) is connected to the water-in of ion exchange unit.
5. a kind of copper-contained electroplating Cleaning Wastewater treatment system according to claim 4, is characterized in that, is loaded with Na type weakly acidic cationic exchanger resin in two described exchange columns.
6. a kind of copper-contained electroplating Cleaning Wastewater treatment system according to claim 4, is characterized in that, the regenerated liquid of described regeneration liquid bath (11) splendid attire is sulfuric acid.
7. a kind of copper-contained electroplating Cleaning Wastewater treatment system according to claim 1, it is characterized in that, described electrolyzer comprises water storage tank (8) and electrolyzer (10), described water storage tank (8) water-in connects the elutriant outlet of ion exchange unit, water storage tank (8) water outlet is connected with electrolyzer (10) water-in by topping-up pump (9), and electrolyzer (10) water outlet is connected to water storage tank (8) water-in and forms circulation loop.
8. a kind of copper-contained electroplating Cleaning Wastewater treatment system according to claim 7, is characterized in that, described electrolyzer (10) plate electrode fills Non-conductive particles, and its Anodic is graphite material, and negative electrode is copper sheet material, and polar plate spacing is 15mm.
9. a kind of copper-contained electroplating Cleaning Wastewater treatment system according to claim 1, is characterized in that, described strainer (5) body is carbon steel body, and filler is columnar activated carbon, and its particle diameter is 6 ~ 12 orders.
10. a kind of copper-contained electroplating Cleaning Wastewater treatment system according to claim 1, is characterized in that, described raw water box (3) water outlet is connected with strainer (5) water-in by lift pump (4).
CN201520777045.XU 2015-10-08 2015-10-08 Copper -containing is electroplated and is washd effluent disposal system Expired - Fee Related CN205133311U (en)

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CN201520777045.XU CN205133311U (en) 2015-10-08 2015-10-08 Copper -containing is electroplated and is washd effluent disposal system

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Application Number Priority Date Filing Date Title
CN201520777045.XU CN205133311U (en) 2015-10-08 2015-10-08 Copper -containing is electroplated and is washd effluent disposal system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109626659A (en) * 2019-01-24 2019-04-16 黄河水利职业技术学院 A kind of processing method of copper sulphate electroplating wastewater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109626659A (en) * 2019-01-24 2019-04-16 黄河水利职业技术学院 A kind of processing method of copper sulphate electroplating wastewater

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Granted publication date: 20160406

Termination date: 20161008