CN203530079U - Electroplating wastewater treatment device - Google Patents
Electroplating wastewater treatment device Download PDFInfo
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- CN203530079U CN203530079U CN201320647406.XU CN201320647406U CN203530079U CN 203530079 U CN203530079 U CN 203530079U CN 201320647406 U CN201320647406 U CN 201320647406U CN 203530079 U CN203530079 U CN 203530079U
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- Prior art keywords
- reaction tank
- output terminal
- group
- pond
- tank set
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- Expired - Lifetime
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- 238000009713 electroplating Methods 0.000 title claims abstract description 20
- 238000004065 wastewater treatment Methods 0.000 title abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 56
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 claims abstract description 30
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 27
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000010802 sludge Substances 0.000 claims abstract description 20
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 13
- 239000002699 waste material Substances 0.000 claims abstract description 12
- 238000005189 flocculation Methods 0.000 claims abstract description 10
- 230000016615 flocculation Effects 0.000 claims abstract description 10
- 229910052804 chromium Inorganic materials 0.000 claims description 22
- 239000011651 chromium Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000002203 pretreatment Methods 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 9
- 238000004062 sedimentation Methods 0.000 claims description 9
- 239000000376 reactant Substances 0.000 claims description 7
- 239000002351 wastewater Substances 0.000 abstract description 37
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract description 2
- 238000006722 reduction reaction Methods 0.000 abstract 2
- 239000010865 sewage Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000000383 hazardous chemical Substances 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 150000002500 ions Chemical group 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 231100000570 acute poisoning Toxicity 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 208000007502 anemia Diseases 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 231100000739 chronic poisoning Toxicity 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 231100000518 lethal Toxicity 0.000 description 1
- 230000001665 lethal effect Effects 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 201000005202 lung cancer Diseases 0.000 description 1
- 208000020816 lung neoplasm Diseases 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 150000005838 radical anions Chemical group 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 210000000952 spleen Anatomy 0.000 description 1
- 208000018556 stomach disease Diseases 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- -1 useless tank liquor Substances 0.000 description 1
Images
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- Removal Of Specific Substances (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model relates to a sewage treatment device, in particular to an electroplating wastewater treatment device. The electroplating wastewater treatment device comprises a cyanogen reaction tank set, a nickel reaction tank set, a chrome reaction tank set, a pretreatment reaction tank set, a comprehensive reaction tank set, a mixed discharging reaction tank set, a chrome reduction reaction tank, a middle return tank, a flocculation tank, a settling tank, an effluent guarantee tank and a biochemical settling tank. According to the structure, electroplating wastewater is divided into six types, then treated in the cyanogen reaction tank set, the nickel reaction tank set, the chrome reaction tank set, the pretreatment reaction tank set, the comprehensive reaction tank set and the mixed discharging reaction tank set respectively, gathered, and treated with chrome reduction, settles, and is treated biochemically, and the PH value is adjusted finally, so that comprehensive treatment of electroplating wastewater is fulfilled. Compared with the conventional electroplating wastewater treatment device adopting a single purification structure, the electroplating wastewater treatment device has the advantages that the treatment efficiency is greatly improved, the cost is relatively lower, and sedimentary sludge treated by a sludge treatment device can be used for other purposes. Therefore, waste can be utilized, the environment is protected, and cost is reduced.
Description
Technical field
The utility model relates to a kind of waste disposal plant, especially a kind of electroplating waste processing equipment.
Background technology
Electroplate waste water and waste liquid that factory (or workshop) discharges, 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, have containing chromium, have nickeliferous or containing cadmium, containing cyanogen, containing acid, containing alkali etc.There are (as Ni2+, Cu2+ etc.) with simple positively charged ion form in what the metal ion in waste water had, what have exists with acid radical anion form.How poisonous electroplating wastewater is, endangers larger.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 in bone, spleen and liver, accumulate.Therefore, electroplating wastewater must strictly be controlled, and deals carefully with.
The waste water and waste liquid of Electroplate Factory forms more complicated, and very difficult for various different hazardous substances normally processed by chemical neutralization, but because various hazardous substances mix, so the effect of wastewater treatment is not very good, and cost is also very high.
Summary of the invention
The purpose of this utility model is, a kind of good waste water treatment effect, electroplating waste processing equipment that cost is low are provided.
The utility model solves the technical scheme that its technical problem adopts: a kind of electroplating waste processing equipment, comprise cyanogen reaction tank group, nickel reactant pond group, chromium reaction tank group, pre-treatment reaction tank group, combined reaction pond group, mixing reaction tank group, broken chromium reaction tank, middle readjustment pond, flocculation basin, settling tank, water outlet ensures pond, biochemical sedimentation basin, the output terminal of cyanogen reaction tank group, the output terminal of nickel reactant pond group, the output terminal of chromium reaction tank group, the output terminal of pre-treatment reaction tank group, the output terminal of combined reaction pond group, the output terminal of mixing reaction tank group is connected with broken chromium reaction tank respectively, the output terminal of broken chromium reaction tank is connected with flocculation basin, the output terminal of flocculation basin is connected with settling tank, the output terminal of settling tank ensures that with water outlet pond is connected, water outlet ensures that the output terminal in pond is connected with biochemical sedimentation basin.
Of the present utility modelly further be set to: also comprise sludge treatment equipment, sludge treatment equipment comprises sludge sump, sludge pump, plate pressure filter, the input terminus of sludge sump is connected with settling tank, biochemical sedimentation basin respectively, the input terminus of sludge pump is connected with sludge sump, and mud delivery side of pump is connected with plate pressure filter.
Said structure is divided into six kinds of different types by different electroplating wastewaters, then respectively by cyanogen reaction tank group, nickel reactant pond group, chromium reaction tank group, pre-treatment reaction tank group, combined reaction pond group, mixing reaction tank group is carried out processing separately, after processing, gathering brokenly chromium processes, process precipitation after processing, and biochemical treatment, finally regulate pH value, just can complete the overall treatment to electroplating wastewater, the structure treatment efficiency of relatively traditional single purification will improve greatly, and cost compare is low, by sludge treatment equipment, process the mud of precipitation, can also regard other purposes, utilization of waste material, environmental protection and saving cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structure diagram of the present embodiment;
Embodiment
Known with reference to figure 1, a kind of electroplating waste processing equipment of the utility model, comprise cyanogen reaction tank group, nickel reactant pond group, chromium reaction tank group, pre-treatment reaction tank group, combined reaction pond group, mixing reaction tank group, broken chromium reaction tank, middle readjustment pond, flocculation basin, settling tank, water outlet ensures pond, biochemical sedimentation basin, the output terminal of cyanogen reaction tank group, the output terminal of nickel reactant pond group, the output terminal of chromium reaction tank group, the output terminal of pre-treatment reaction tank group, the output terminal of combined reaction pond group, the output terminal of mixing reaction tank group is connected with broken chromium reaction tank respectively, the output terminal of broken chromium reaction tank is connected with flocculation basin, the output terminal of flocculation basin is connected with settling tank, the output terminal of settling tank ensures that with water outlet pond is connected, water outlet ensures that the output terminal in pond is connected with biochemical sedimentation basin, the input terminus of sludge sump respectively with settling tank, biochemical sedimentation basin connects, the input terminus of sludge pump is connected with sludge sump, mud delivery side of pump is connected with plate pressure filter.
Known according to main electroplate technology, it is that waste water, copper-containing wastewater, chromium are that waste water, nickel are waste water, the water of falling groove, take off plating water, earth's surface mixing collection water, ground flushing water etc. that the main waste water of workshop discharge has pre-treatment waste water, cyanogen.
Cyanogen is waste water: according to electroplating wastewater processing standard and actual safety in production demand, need be that waste water carries out separately pre-treatment to cyanogen.
Chromium is waste water: the chromium discharging in chromium plating or passivation technology is that waste water impurity content is few, in the situation that shunting is all right, can after individual curing, directly discharge, also can optionally be incorporated to other waste water advanced processing, at this, for reducing construction costs and intractability, considering, can be the independent separating treatment of waste water by chromium, retains other waste water condition that is incorporated to simultaneously.
Nickel is waste water: the marketable value of nickel is higher, therefore, can be that waste water carries out recycling processing to nickel, and this is that waste water is shunted separately to dispose and is conducive to improve resource utilization efficiency.
Comprehensive wastewater: will contain different heavy metals and not include comprehensive wastewater in containing the waste water of cyanogen and chromium, the Solubilities of Hydroxides of these heavy metal ion be less, can meet emission standard after alkaline chemical precipitation.
Pre-treatment waste water: mainly from pretreatment procedures such as plating piece oil removing, paraffin removals, due to the impact of some additives etc., this class water COD concentration is higher.And each workshop pretreatment procedure time of falling groove, rhythm differ, this water variation water quality is larger.From device surging force and stability angle up to standard are considered, shunting is processed separately.
Mixing waste water: the cyanide wastewater producing due to " run, drip, leak " in electroplate technology and chromate waste water etc. mix rinse water.Adopt after alkaline chlorination process two-stage broken cyanide, enter chromate waste water and process together.If effluent COD concentration is higher after processing, enters biochemical system together with pre-treatment waste water and process.
The utility model mainly designs for above-mentioned several electroplating wastewaters, if only have part waste water, just according to criteria for classification, just allows whole device some work just can deal with problems.
Obviously, above-described embodiment is only used to done giving an example is clearly described, and the not restriction to embodiment.To those of ordinary skill in the art, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And the apparent variation of being extended out thus or change are still in protection domain of the present utility model.
Claims (2)
1. an electroplating waste processing equipment, it is characterized in that: comprise cyanogen reaction tank group, nickel reactant pond group, chromium reaction tank group, pre-treatment reaction tank group, combined reaction pond group, mixing reaction tank group, contact break reaction tank, middle readjustment pond, flocculation basin, settling tank, water outlet ensures pond, biochemical sedimentation basin, the output terminal of cyanogen reaction tank group, the output terminal of nickel reactant pond group, the output terminal of chromium reaction tank group, the output terminal of pre-treatment reaction tank group, the output terminal of combined reaction pond group, the output terminal of mixing reaction tank group is connected with contact break reaction tank respectively, the output terminal of broken chromium reaction tank is connected with flocculation basin, the output terminal of flocculation basin is connected with settling tank, the output terminal of settling tank ensures that with water outlet pond is connected, water outlet ensures that the output terminal in pond is connected with biochemical sedimentation basin.
2. according to electroplating waste processing equipment claimed in claim 1, it is characterized in that: also comprise sludge treatment equipment, sludge treatment equipment comprises sludge sump, sludge pump, plate pressure filter, the input terminus of sludge sump is connected with settling tank, biochemical sedimentation basin respectively, the input terminus of sludge pump is connected with sludge sump, and mud delivery side of pump is connected with plate pressure filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320647406.XU CN203530079U (en) | 2013-10-18 | 2013-10-18 | Electroplating wastewater treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320647406.XU CN203530079U (en) | 2013-10-18 | 2013-10-18 | Electroplating wastewater treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203530079U true CN203530079U (en) | 2014-04-09 |
Family
ID=50416313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320647406.XU Expired - Lifetime CN203530079U (en) | 2013-10-18 | 2013-10-18 | Electroplating wastewater treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203530079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105314774A (en) * | 2015-11-25 | 2016-02-10 | 扬中市宏飞镀业有限公司 | Device for treatment of electroplating effluent |
-
2013
- 2013-10-18 CN CN201320647406.XU patent/CN203530079U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105314774A (en) * | 2015-11-25 | 2016-02-10 | 扬中市宏飞镀业有限公司 | Device for treatment of electroplating effluent |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |