CN204803171U - Electroplating wastewater treatment device - Google Patents
Electroplating wastewater treatment device Download PDFInfo
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- CN204803171U CN204803171U CN201520367917.5U CN201520367917U CN204803171U CN 204803171 U CN204803171 U CN 204803171U CN 201520367917 U CN201520367917 U CN 201520367917U CN 204803171 U CN204803171 U CN 204803171U
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- electroplating
- processing equipment
- polyfluortetraethylene plate
- waste processing
- filter tower
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Abstract
The utility model discloses an electroplating wastewater treatment device, cross filter tower, flocculation and precipitation pond, alkali lye reaction tank and adsorb the pond including the infundibulate that connects gradually, the infundibulate is crossed filter tower upper portion lateral wall and is equipped with the electroplating effluent entry, and inside is equipped with multilayer polyfluortetraethylene plate, polyfluortetraethylene plate incomplete with the contact of filter tower inside wall is crossed to the infundibulate, be equipped with the active carbon filter screen between the adjacent polyfluortetraethylene plate, the polyfluortetraethylene plate below is equipped with the quartz sand filter screen, quartz sand filter screen below is equipped with the bar magnet, flocculation and precipitation pond top is equipped with the flocculating agent and puts in ware and turbidity appearance, be equipped with the agitator in the alkali lye reaction tank, the top is equipped with alkali lye dropwise add ware, it adsorbs the sponge to be equipped with the polymer in the absorption pond. The utility model provides an electroplating wastewater treatment device is the processing electroplating effluent of accuracy accessible time, reaches the emission requirement, and the environmental protection is also benefited for the enterprise, the device is constituteed rationally, and it is easy to maintain, is applicable to electroplating wastewater treatment.
Description
Technical field
The utility model relates to a kind of waste water plant, is specifically related to a kind of electroplating waste processing equipment, for the efficient process of electroplating wastewater.
Background technology
Plating is that one of industry is polluted greatly in the current whole world three.Electroplating wastewater, especially integrative electroplating waste have that pollutant kind is many, complicated component, toxicity are large and endanger serious feature, and its principal pollutant are contents of many kinds of heavy metal ion, prussiate, spent acid and salkali waste etc.Plating refers in the saline solution containing pre-metallizing, with plated matrix metal for negative electrode, by electrolytic action, the positively charged ion of pre-metallizing in plating solution is deposited in base metal surface, forms a kind of method of surface finish of coating.Coating performance is different from matrix metal, has new feature.Electroplate the difference according to plating, the electroplating technology groove arranged also is not quite similar, but before the electroplating process that general plated item completes an electroplating technology groove enters next electroplating technology groove, all to wash at washing bath, the effect of washing bath is the residual electroplate liquid wash clean above workpiece, do not affect lower one technique to carry out, do not pollute electroplate liquid in lower one plating tank, thus ensure the quality of plating.
The waste water and waste liquids that electroplating facility is discharged, as plating piece rinse water, useless tank liquor, component cooling water and the flushing surface water etc., its water quality is different because of production technique, often oil-containing many kinds of metal ions, in general, often containing Cr
6+, Cd
2+, Ni
2+, Cu
2+, Zn
2+, Fe
2+in heavy metal; Electroplating wastewater is poisonous, and harm is large.As cyanogen can cause people and animals' acute poisoning, lethal, lower concentration long term also can cause chronic poisoning.Cadmium can make kidney generation pathology, and can cause itai-itai.Sexavalent chrome can cause lung cancer, intestines and stomach disease and anaemia, and can accumulate in bone, spleen and liver.Therefore, electroplating wastewater must strictly control, and deals carefully with.
The treatment process of existing electroplating wastewater is: directly pass through removal of heavy metal ions device heavy-metal ion removal to the electroplating wastewater that factory discharges, be then discharged to sewage work by sewage network and carry out ammonia nitrogen and organic process.Concrete water technology is a lot, comprises resins exchange, electrolytic process, chemical method and air supporting etc.Existing electroplating effluent treatment method has the following disadvantages: electrolytic process energy consumption is high, and power consumption and iron loss are all high, produces sludge quantity too many to high-concentration chromium-containing wastewater, inadaptable, simultaneously undesirable to cyanide wastewater process; Chemical agent and By Bubble-floating Method adopt pharmaceutical chemicals redox neutralization, carry out mud-water separation with air supporting floating method, and because electroplating sludge is than great, and containing multiple organic additive in waste water, during actual use, dissolved air flotation is thorough, and operational management is inconvenient; Chemical agent and precipitation are the methods applied the earliest, be also, on the most effective treatment process, also mostly adopt the method abroad in electroplating processes, but after actual solid-liquid separation long operational time, settling tank have on sludge turning, and water outlet is difficult to ensure stably reaching standard.In recent years the little water yield of the biological treatment developed single plating operating performance is high, many large-engineerings use very unstable, because water quality and quantity is difficult to constant, microorganism to water temperature, kind, the concentration of heavy metal ion, the change difficulty of pH value is stable to be adapted to, there is moment large quantities of microbial death, occur environmental pollution accident, and cultivation not easily.
And electroplating sewerage is that randomness enters sewage network, brings very big inconvenience to the construction plan of sewage work; The electroplating sewerage of heavy-metal ion removal is transported in the way of sewage work can give out dense stink, grow mosquitos and flies, be difficult to process stink, is unfavorable for environmental health.
So in order to realize the real effectively process of electroplating wastewater, need to research and develop a kind of electroplating waste processing equipment, it can be used in the efficient process of electroplating wastewater.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of electroplating waste processing equipment, effectively can remove the metal ion in electroplating wastewater and organism.
To achieve the above object of the invention, the technical solution adopted in the utility model is:
A kind of electroplating waste processing equipment, comprise connect successively funnel filter tower, flocculation sedimentation tank, alkaline reaction pond and adsorption tank, described funnel filter tower upper portion side wall is provided with electroplating wastewater entrance, and inside is provided with multilayer polytetrafluoroethylarticles plate; Described polyfluortetraethylene plate is arranged on described funnel filter tower inner side-wall, is positioned at below electroplating wastewater entrance; Described polyfluortetraethylene plate not exclusively contacts with described funnel filter tower inner side-wall; Activated charcoal strainer is provided with between adjacent polyfluortetraethylene plate; Quartz sand filtration net is provided with below described polyfluortetraethylene plate; Described quartz sand filtration side off the net is provided with bar magnet; Flocculation agent dispenser and turbidimeter is provided with above described flocculation sedimentation tank; Be provided with agitator in described alkaline reaction pond, top is provided with alkali lye Drop-adding device; Polymer adsorption sponge is provided with in described adsorption tank.
In the utility model, preferably polytetrafluoroethylene plate is three layers.Form correlative between adjacent polyfluortetraethylene plate, increase the duration of contact of waste water and filtering net, improve filter effect; It is severe that three layers of polyfluortetraethylene plate can not make water flow velocity decline, and avoids flow velocity to decline the defect of the particle filtration weak effect caused.Described polyfluortetraethylene plate not exclusively contacts with described funnel filter tower inner side-wall and refers to that polyfluortetraethylene plate can not form enclosed construction in funnel filter tower, gap is provided with filtration tank inwall, waste water can be dirty from gap, the gap of every layer of polyfluortetraethylene plate and filtration tank inwall is interlaced, makes to form correlative between adjacent polyfluortetraethylene plate.
In the utility model, described funnel filter tower upper end closed.Prevent from spilling into waste water mouth waste water on the one hand, time one side is suitable, certain pressure can be applied in tower, can realize by arranging compressed air inlet on filtration tank top.
In technique scheme, bar magnet intensity is 4200-4800 Gauss; Described bar magnet is 3, wherein has 2 bar magnets to be positioned at same level.Bar magnet is spaced when making waste water descending and can not blocks, and multilayer arrangement can increase except metal rate; When particularly arranging in pyramid structure, bar magnet consumption is few, but water body still fully contacts with bar magnet, except metal rate is high, and little on water volume flow rate impact.
In technique scheme, described turbidometer injection port is provided with small-sized liquid absorbing pump.The clear liquid that can directly extract above flocculation sedimentation tank carries out turbidity test, once turbidity meets the requirements, then supernatant liquid can be delivered in alkaline reaction pond; Avoid the complex operation of hand sampling.
In technique scheme, described polymer adsorption sponge is woven by fibrous polymer sorbing material and obtains.
Fibrous polymer sorbing material of the present utility model has certain intensity, and have vesicular structure, effectively increase specific surface area, lipophilic group does not exist only in fiber surface, also exists in micropore in a large number, accelerates fibers adsorption speed and improves loading capacity further.
In the utility model, the density of polymer adsorption sponge is 600-650g/L; Thickness is 16-18mm; The thickness of spongy polymer adsorbing material and density very important to practical application.Too thin, sorbing material intensity difference, can not tolerate the impact of current when practical application, more cannot bear the mechanical force of relevant equipment, can not meet the requirement of dispose of wastewater; Sorbing material is too thick, then affect absorption property, can not realize quick adsorption and Large Copacity absorption, can not meet the requirement disposed fast equally; It is not good that thing protected by the too small sorbing material of density, and density is crossed conference and affected its rate of adsorption.
Adsorption technology is the object being reached process by the sorbing material trapping nuisance entered in environment, the destruction to environment can be avoided, its core is sorbing material, take gac as the defect that traditional sorbing material of representative and relevant adsorption technology exist in adsorption effect and technological operation, industrialized improvement requirement cannot be reached, especially when granular active carbon is used for the disposal of wastewater through organic matter pollution incident, the clearing and retrieving to floating on water toxic organic pollutant cannot be realized at all, the utility model utilizes polymer adsorption sponge first, effectively solve the organic pollutant in electroplating wastewater, turn avoid existing chemical treatment, the side effect that bioremediation is brought.
In the utility model, funnel filter tower effectively removes particulate matter in electroplating wastewater and part metals; Flocculation sediment makes the so-called mud of metal ion flocculation formation be sunken at the bottom of pond; Drip alkali lye and the residual metallic ion do not flocculated can be formed throw out at mutual complexing; Last polymer adsorption sponge effectively removes the organism in waste water.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1. bar magnet is applied to electroplating waste processing equipment by the utility model first, arranges, can not block when making waste water descending in Spaced, and multilayer arrangement can increase except metal rate; When particularly arranging in pyramid structure, bar magnet consumption is few, but water body still fully contacts with bar magnet, except metal rate is high, and little on water volume flow rate impact.
2. turbidimeter is applied to electroplating waste processing equipment by the utility model first, and arranges small-sized liquid absorbing pump automatic sampling, reduces manual operation loaded down with trivial details; The pure and impure degree of settling tank supernatant liquid can be learnt by turbidimeter in real time, make wastewater treatment more scientificization.
3. spongy polymer adsorbing material is applied to electroplating waste processing equipment by the utility model first, the object of process is reached by the sorbing material trapping nuisance entered in environment, the destruction to environment can be avoided, effectively solve the organic pollutant in electroplating wastewater, turn avoid existing chemical treatment, side effect that bioremediation is brought.
4. the electroplating waste processing equipment that the utility model provides is the step in Electroplating Production, can process electroplating wastewater promptly and accurately, reaches emission request, protection of the environment, also for enterprise benefits; Device composition rationally, is safeguarded easily, is applicable to electroplating wastewater processing.
Accompanying drawing explanation
Fig. 1 is electroplating waste processing equipment structural representation in embodiment;
Fig. 2 is the arrangement schematic diagram of bar magnet in funnel filter tower;
Wherein, funnel filter tower 1, electroplating wastewater entrance 11, polyfluortetraethylene plate 12, activated charcoal strainer 13, quartz sand filtration net 14, bar magnet 15, compressed air inlet 16, flocculation sedimentation tank 2, flocculation agent dispenser 21, turbidimeter 22, small-sized liquid absorbing pump 221, alkaline reaction pond 3, agitator 31, alkali lye Drop-adding device 32, adsorption tank 4, polymer adsorption sponge 41.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment one:
See accompanying drawing 1, a kind of electroplating waste processing equipment, comprise connected successively by pipeline, lift pump funnel filter tower 1, flocculation sedimentation tank 2, alkaline reaction pond 3 and adsorption tank 4, described funnel filter tower upper portion side wall is provided with electroplating wastewater entrance 11, and inside is provided with three layers of polyfluortetraethylene plate 12; Described polyfluortetraethylene plate is arranged on described funnel filter tower inner side-wall, is positioned at below electroplating wastewater entrance; Described polyfluortetraethylene plate not exclusively contacts with described funnel filter tower inner side-wall, form gap, waste water can be dirty from gap, and the gap of every layer of polyfluortetraethylene plate and filtration tank inwall is interlaced, makes to form correlative between adjacent polyfluortetraethylene plate.
Activated charcoal strainer 13 is provided with between adjacent polyfluortetraethylene plate; Quartz sand filtration net 14 is provided with below described polyfluortetraethylene plate; Described quartz sand filtration side off the net is provided with bar magnet 15; Funnel filter tower top end arranges compressed air inlet 16; Be provided with flocculation agent dispenser 21 and turbidimeter 22 above described flocculation sedimentation tank, turbidometer injection port is provided with small-sized liquid absorbing pump 221, and the clear liquid that can directly extract above flocculation sedimentation tank carries out turbidity test; Be provided with agitator 31 in described alkaline reaction pond, top is provided with alkali lye Drop-adding device 32; Polymer adsorption sponge 41 is provided with in described adsorption tank.Polymer adsorption sponge is woven by fibrous polymer sorbing material and obtains, and density is 600g/L; Thickness is 18mm.
See accompanying drawing 2, be the arrangement of bar magnet in funnel filter tower, bar magnet is 3, wherein has 2 bar magnets to be positioned at same level.Bar magnet is spaced when making waste water descending and can not blocks, and multilayer arrangement can increase except metal rate; When particularly arranging in pyramid structure, bar magnet consumption is few, but water body still fully contacts with bar magnet, except metal rate is high, and little on water volume flow rate impact.
Embodiment two
A kind of electroplating waste processing equipment, be similar to embodiment one main body, the polyfluortetraethylene plate wherein in funnel filter tower is 4 layers; Bar magnet is 5, arranges in 1-2-2 Spaced; Funnel filter tower top end arranges compressed air inlet; Polymer adsorption sponge is woven by fibrous polymer sorbing material and obtains, and density is 650g/L; Thickness is 16mm.
Embodiment three
During actual treatment, electroplating wastewater enters in funnel filter tower by entrance, gap via the first layer polyfluortetraethylene plate and filtration tank inwall flows to second layer Teflon filtration plate, then along flowing to operation between contiguous Teflon filtration plate, the activated charcoal strainer arranged between adjacent polyfluortetraethylene plate can filtering particle; Then wastewater streams is through the further filtering solid particles of quartz sand filtration net; Flow through the spaced bar magnet of stratiform again, remove part metals; Then waste water is exported by filtration tank and enters flocculation sedimentation tank by pipeline, adds flocculation agent, reaction for some time, also be in precipitation, timing sampling test supernatant liquid turbidity, when it meets the requirements simultaneously, then be transported to by supernatant liquid in alkaline reaction pond, drip alkali lye under stirring, alkali lye is all added dropwise to complete, stir for some time, then stop stirring, leave standstill, supernatant liquid is evacuated in adsorption tank, through absorption sponge organics removal, water outlet can complete electroplating wastewater processing.
Table 1 is each substances content before and after electroplating wastewater processing, can find out, electroplating wastewater processing is effectively the water body meeting emission standard by device of the present utility model.
Each substances content (mg/L) before and after table 1 electroplating wastewater processing
Claims (9)
1. an electroplating waste processing equipment, it is characterized in that: comprise connect successively funnel filter tower, flocculation sedimentation tank, alkaline reaction pond and adsorption tank, described funnel filter tower upper portion side wall is provided with electroplating wastewater entrance, and inside is provided with multilayer polytetrafluoroethylarticles plate; Described polyfluortetraethylene plate is arranged on described funnel filter tower inner side-wall, is positioned at below electroplating wastewater entrance; Described polyfluortetraethylene plate not exclusively contacts with described funnel filter tower inner side-wall; Activated charcoal strainer is provided with between adjacent polyfluortetraethylene plate; Quartz sand filtration net is provided with below described polyfluortetraethylene plate; Described quartz sand filtration side off the net is provided with bar magnet; Flocculation agent dispenser and turbidimeter is provided with above described flocculation sedimentation tank; Be provided with agitator in described alkaline reaction pond, top is provided with alkali lye Drop-adding device; Polymer adsorption sponge is provided with in described adsorption tank.
2. electroplating waste processing equipment according to claim 1, is characterized in that: described bar magnet is 3 wherein having 2 bar magnets to be positioned at same level.
3. electroplating waste processing equipment according to claim 1, is characterized in that: described turbidometer injection port is provided with small-sized liquid absorbing pump.
4. electroplating waste processing equipment according to claim 1, is characterized in that: described polymer adsorption sponge is woven by fibrous polymer sorbing material and obtains.
5. electroplating waste processing equipment according to claim 1, is characterized in that: the density of described polymer adsorption sponge is 600-650g/L; Thickness is 16-18mm.
6. electroplating waste processing equipment according to claim 1, is characterized in that: described polyfluortetraethylene plate is three layers.
7. electroplating waste processing equipment according to claim 1, is characterized in that: described funnel filter tower upper end closed.
8. electroplating waste processing equipment according to claim 7, is characterized in that: described funnel filter tower top end arranges compressed air inlet.
9. electroplating waste processing equipment according to claim 1, is characterized in that: described bar magnet intensity is 4200-4800 Gauss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520367917.5U CN204803171U (en) | 2015-05-29 | 2015-05-29 | Electroplating wastewater treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520367917.5U CN204803171U (en) | 2015-05-29 | 2015-05-29 | Electroplating wastewater treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN204803171U true CN204803171U (en) | 2015-11-25 |
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ID=54588025
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520367917.5U Expired - Fee Related CN204803171U (en) | 2015-05-29 | 2015-05-29 | Electroplating wastewater treatment device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840523A (en) * | 2017-11-22 | 2018-03-27 | 苏州雷沃克环保科技有限公司 | A kind of portable drinking water filtration equipment for clarifying |
| CN108773929A (en) * | 2018-06-13 | 2018-11-09 | 岳西县创奇电器有限责任公司 | A kind of electroplating wastewater preprocess method |
| CN108862776A (en) * | 2018-07-14 | 2018-11-23 | 芜湖凯奥尔环保科技有限公司 | A kind of environment-friendly type electroplating effluent purifying processing device |
| CN111547893A (en) * | 2020-05-25 | 2020-08-18 | 太仓市华夏电镀有限公司 | Electroplating wastewater advanced treatment system |
| CN113429024A (en) * | 2021-07-07 | 2021-09-24 | 清远市精旺环保设备有限公司 | Electroplating effluent filter equipment |
-
2015
- 2015-05-29 CN CN201520367917.5U patent/CN204803171U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840523A (en) * | 2017-11-22 | 2018-03-27 | 苏州雷沃克环保科技有限公司 | A kind of portable drinking water filtration equipment for clarifying |
| CN108773929A (en) * | 2018-06-13 | 2018-11-09 | 岳西县创奇电器有限责任公司 | A kind of electroplating wastewater preprocess method |
| CN108862776A (en) * | 2018-07-14 | 2018-11-23 | 芜湖凯奥尔环保科技有限公司 | A kind of environment-friendly type electroplating effluent purifying processing device |
| CN111547893A (en) * | 2020-05-25 | 2020-08-18 | 太仓市华夏电镀有限公司 | Electroplating wastewater advanced treatment system |
| CN113429024A (en) * | 2021-07-07 | 2021-09-24 | 清远市精旺环保设备有限公司 | Electroplating effluent filter equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20180529 |