CN104909490A - Phosphating and chemical nickel-plating mixed comprehensive wastewater treatment process and automated device - Google Patents
Phosphating and chemical nickel-plating mixed comprehensive wastewater treatment process and automated device Download PDFInfo
- Publication number
- CN104909490A CN104909490A CN201510255363.4A CN201510255363A CN104909490A CN 104909490 A CN104909490 A CN 104909490A CN 201510255363 A CN201510255363 A CN 201510255363A CN 104909490 A CN104909490 A CN 104909490A
- Authority
- CN
- China
- Prior art keywords
- wastewater
- tank
- waste water
- air
- pond
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000126 substance Substances 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 24
- 238000007747 plating Methods 0.000 title claims abstract description 20
- 239000002351 wastewater Substances 0.000 claims abstract description 85
- 238000006243 chemical reaction Methods 0.000 claims abstract description 48
- 238000005188 flotation Methods 0.000 claims abstract description 24
- 238000011282 treatment Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000010802 sludge Substances 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims abstract description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 36
- 239000007788 liquid Substances 0.000 claims description 35
- 239000002699 waste material Substances 0.000 claims description 21
- 239000000701 coagulant Substances 0.000 claims description 17
- 229910001385 heavy metal Inorganic materials 0.000 claims description 16
- 229910052759 nickel Inorganic materials 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 14
- 150000002500 ions Chemical class 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- 238000013019 agitation Methods 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 238000005345 coagulation Methods 0.000 claims description 7
- 230000015271 coagulation Effects 0.000 claims description 7
- 238000005189 flocculation Methods 0.000 claims description 7
- 230000016615 flocculation Effects 0.000 claims description 7
- 239000002893 slag Substances 0.000 claims description 7
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 6
- 239000001110 calcium chloride Substances 0.000 claims description 6
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 6
- 238000004945 emulsification Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 239000011574 phosphorus Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000010907 mechanical stirring Methods 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 4
- JBMRMLLHFBHFDV-UHFFFAOYSA-N [Ni].[Mn].[Zn] Chemical compound [Ni].[Mn].[Zn] JBMRMLLHFBHFDV-UHFFFAOYSA-N 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 229910021645 metal ion Inorganic materials 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 231100000719 pollutant Toxicity 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000011002 quantification Methods 0.000 claims description 3
- 239000006228 supernatant Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 5
- 238000004062 sedimentation Methods 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 abstract description 2
- 238000010517 secondary reaction Methods 0.000 abstract 2
- 238000005406 washing Methods 0.000 abstract 2
- 238000011085 pressure filtration Methods 0.000 abstract 1
- 239000003153 chemical reaction reagent Substances 0.000 description 7
- 239000011701 zinc Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000013043 chemical agent Substances 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 150000003016 phosphoric acids Chemical class 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical class [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 159000000013 aluminium salts Chemical class 0.000 description 1
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009300 dissolved air flotation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- WJZHMLNIAZSFDO-UHFFFAOYSA-N manganese zinc Chemical compound [Mn].[Zn] WJZHMLNIAZSFDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001453 nickel ion Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-M phosphinate Chemical compound [O-][PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-M 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 230000029219 regulation of pH Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention provides a phosphating and chemical nickel-plating mixed comprehensive wastewater treatment process and an automated device. According to the process, high-concentration wastewater and low-concentration washing wastewater are respectively collected; the high-concentration wastewater and the low-concentration washing wastewater are mixed in a wastewater adjustment tank; the mixture sequentially enters a primary reaction tank, an inclined tube sedimentation tank, a secondary reaction tank, a floatation system, and a pH value correction tank; obtained clear water can reach a discharge standard and can be discharged; sludge produced during the wastewater treatment process enters a sludge collection tank, and is subjected to pressure filtration through a filter press; and an obtained solid matter is separately collected and disposed. The automated device comprises a PLC control system, a wastewater collection system, an adjustment tank, a primary reaction tank, an inclined tube sedimentation tank, a secondary reaction tank, a flotation system, dosing devices and an air stirring system. The phosphating and chemical nickel-plating mixed comprehensive wastewater is subjected to multiple levels of treatments. The entire process is automatically controlled by PLC. The entire wastewater treatment process is displayed dynamically. According to the invention, the process is simple, dosing amount is low, the quality standard of treated water is high, and processing efficiency is high.
Description
Technical field
The present invention relates to a kind of phosphatization and chemical nickel plating mixing comprehensive effluent disposal technology and automatic equipment, belong to industrial waste water treatment.
Background technology
Along with industrial expansion, various trade effluent gets more and more, and not only waste water resource, also seriously pollutes environment, therefore needs to process these trade effluents, makes it meet emission standard.Containing a large amount of heavy metal ion, suspended solid, petroleum hydrocarbons, the higher COD such as phosphoric acid salt, zinc-manganese in phosphorized waste water, and containing a large amount of heavy metal nickel ion, hypophosphite, phosphite etc. in chemical nickle-plating wastewater, two kinds of waste water mix in rear waste water just containing pollutents such as heavy metal, phosphoric acid salt such as a large amount of nickel zinc-manganese.
At present, phosphorized waste water generally adopts the phosphate radical in liming or soluble ferric iron salt or aluminium salt and waste water to carry out chemical reaction and forms chemical precipitation thus reach the object except dephosphorization, and heavy metal generally adopts and adds alkali such as sodium hydroxide, calcium hydroxide and regulate waste water ph, heavy metal ion is made to form precipitation of hydroxide thus the heavy metals such as removing nickel zinc-manganese.In actual production, the high-concentration waste liquid of the general existing periodic exhaustion of plating line is as oil removing, pickling, table tune, phosphatization, chemical nickel plating tank liquor, there is again the lower concentration Cleaning Wastewater of a large amount of continuous blow-down, current treatment process is all concentrate reprocessing by after the mixing of this two classes waste water, chemical agent for removing various different objectionable impurities drops in waste water together and reacts, the treatment effect of this method is not good, not comprehensively thoroughly, consumption of chemical agent is large, and processing efficiency is also lower in purification.
Summary of the invention
For existing phosphatization and chemical nickle-plating wastewater treatment process exist purification not comprehensively thoroughly, consumption of chemical agent is large, processing efficiency is lower problem, the invention provides a kind of phosphatization and chemical nickel plating mixing comprehensive effluent disposal technology and automatic equipment.
The technical solution adopted in the present invention is as follows.
A kind of phosphatization and chemical nickel plating mixing comprehensive effluent disposal technology, concrete steps are:
First high-concentration waste liquid and lower concentration Cleaning Wastewater are collected respectively, the high-concentration waste liquid then making quantitatively instillation in wastewater equalization pond and the equal quantification treatment of lower concentration Cleaning Wastewater homogeneous entered continuously;
Then the waste water that homogeneous all quantizes enters first order reaction pond through pH regulator, adds liming, calcium chloride, flocculation agent PAC, coagulant aids PAM, after mechanical stirring and chemical reaction, and OH
-mn in ion and Phosphating Solution
2+, Ni
2+, Zn
2+deng metal ion and PO
4 3-with Ca
2+formed chemical reaction and generate solids suspension matter;
In tube settling groove, carry out solid-liquid separation first, heavy metal ion and phosphorus are removed, the mud out of solid-liquid separation first enters mud collecting tank, and liquid enters second order reaction pond; Second order reaction pond comprises coagulation tank and line mixer, adds coagulating agent PAC and coagulant aids PAM in second order reaction pond, makes the molecule, oily substance etc. being difficult to precipitate flocculate into larger particles;
Waste water enters air-flotation system after the process of second order reaction pond, the slag scraper of oil pollutant in air-flotation system of the suspended matter and emulsification that are suspended in wastewater surface scrapes off and enters mud collecting tank, the waste water that tube settling groove is come obtains secondary-cleaned, clear liquid after secondary-cleaned enters in pH value readjustment pond, adjusts back qualified discharge through pH;
Mud in mud collecting tank is through pressure filter filter-press dehydration, and the dry mud cake after press filtration is transported to the mud concentration zones of specifying; Supernatant liquor in mud collecting tank, the pressing filtering liquid of pressure filter, return equalizing tank and process;
Wastewater treatment whole process is controlled automatically by PLC, and waste water ph is by the automatic measurement and monitoring of pH meter, and whole process all ingredients automatically controls volume pump by PLC and automatically adds, thus ensures the stable, continuous of wastewater treatment process, makes water outlet qualified discharge.
A kind of phosphatization and chemical nickel plating mixing comprehensive wastewater process automatic equipment, is characterized in that: comprise PLC control system, Waste Water Treatment, chemicals dosing plant, air agitation system;
Waste Water Treatment is connected successively by wastewater collection system, equalizing tank, first order reaction pond, tube settler groove, air-flotation system;
Wastewater collection system is made up of high-concentration waste liquid collecting tank, lower concentration Cleaning Wastewater collecting tank, and high-concentration waste liquid collecting tank is by waste drains pump, pipeline to equalizing tank, and lower concentration Cleaning Wastewater collecting tank passes through waste water pump, pipeline to equalizing tank;
Second order reaction pond is made up of coagulation tank and line mixer, and air-flotation system is made up of gas-holder, dissolving and air dissolved pump, slag scraper;
The sludge outlet of air-flotation system is to mud collecting tank, and the purified liquor outlet of air-flotation system adjusts back pond to pH value;
The supporting side being arranged on Waste Water Treatment of chemicals dosing plant, comprise liming chemicals dosing plant, CaCL2 chemicals dosing plant, PAC chemicals dosing plant, PAM chemicals dosing plant, means for feeding acid and liming chemicals dosing plant by pipeline to first order reaction pond, PAC chemicals dosing plant and PAM chemicals dosing plant also by pipeline to second order reaction pond, means for feeding acid adjusts back pond by pipeline to pH value;
Air agitation system, to chemicals dosing plant, wastewater collection system, mud collecting tank and pH value readjustment pond, utilizes pressurized air to realize agitating function;
PLC control system ensures automatic operating, its indicating meter Dynamic Announce sewage treatment process.
The waste water of two kinds of concentration is collected respectively and be its objective is, because low concentration wastewater flow is large, continuous blow-down, waste water easily processes up to standard, if high-concentration waste liquid all flows in low concentration wastewater quickly, is then unfavorable for wastewater treatment, need the chemical reagent adding a large amount of process, even and if verification experimental verification shows to add a large amount of chemical reagent, the waste water of its discharge is also difficult to process, can not be up to standard.
Equalizing tank collects the high-concentration waste liquid quantitatively dripped and the lower concentration rinse water entered continuously, makes it in this pond, carry out homogeneous and all quantize, and the continous-stable process being convenient to treatment facility runs.
First order reaction pond regulates waste water ph, and the key equipment of dephosphorization and heavy metal ion, adds liming in this reaction tank, not only can dephosphorization, but also can adjust ph to realize removing the heavy metals such as nickel, zinc, manganese; Flocculation agent (PAC), coagulant aids (PAM) is added to promote to precipitate cohesion fast and sedimentation in this reaction tank; In addition, in this reaction tank, also CaCl is added
2with further dephosphorization, it has certain De-emulsification flocculent effect simultaneously, is conducive to oil removing and promotes precipitation; The automatic control and regulation of pH value in this process, wastewater treatment reagent is added automatically; PH value is detected automatically by pH meter, and chemical reagent is quantitatively added by volume pump, by the automatic control of control realization pH value and automatically the adding of chemical reagent of PLC.
Tube settler groove is that waste water that first order reaction pond is processed and throw out wherein realize settle precipitates, and discharges clear liquid, and the mud settled down enters mud collecting tank automatically by pipeline, finally through pressure filter press filtration to remove out phosphorus and heavy metal contaminants.
Second order reaction pond is dosing coagulant PAC and PAM coagulant aids, and the molecule, oily substance etc. that make to be difficult to precipitate flocculate into larger particles in air-flotation system to be removed, thus secondary waste water is purified.
PH value readjustment pond its add after pH adjusts back 6 ~ 9 by acid solution by pH value automatic control system, up to standardly directly enter company's sewer line.
The invention has the beneficial effects as follows: phosphatization and chemical nickel plating mixing comprehensive wastewater are through multiple-stage treatment, and whole process is controlled automatically by PLC, indicating meter Dynamic Announce wastewater treatment whole process, technique is simple, and dosage is few, and the water quality standard after process is high, working cost is low, economy, and processing efficiency is high.
Accompanying drawing explanation
Fig. 1 is the schematic layout pattern of a kind of phosphatization and chemical nickel plating mixing comprehensive wastewater process automated arm.
Embodiment
Below in conjunction with Fig. 1, the present invention will be further described.
As shown in Figure 1, a kind of phosphatization and chemical nickel plating mixing comprehensive wastewater process automatic equipment, comprise PLC control system (not expressing in Fig. 1), Waste Water Treatment, chemicals dosing plant, air agitation system,
Waste Water Treatment is connected successively by wastewater collection system, equalizing tank, first order reaction pond, tube settler groove, air-flotation system;
Wastewater collection system is made up of high-concentration waste liquid collecting tank, lower concentration Cleaning Wastewater collecting tank, and high-concentration waste liquid collecting tank is by waste drains pump, pipeline to equalizing tank, and lower concentration Cleaning Wastewater collecting tank passes through waste water pump, pipeline to equalizing tank;
Second order reaction pond is made up of coagulation tank and line mixer, and air-flotation system is made up of gas-holder, dissolving and air dissolved pump, slag scraper;
The sludge outlet of air-flotation system is to mud collecting tank, and the purified liquor outlet of air-flotation system adjusts back pond to pH value;
The supporting side being arranged on Waste Water Treatment of chemicals dosing plant, comprise liming chemicals dosing plant, CaCL2 chemicals dosing plant, PAC chemicals dosing plant, PAM chemicals dosing plant, means for feeding acid and liming chemicals dosing plant by pipeline to first order reaction pond, PAC chemicals dosing plant and PAM chemicals dosing plant also by pipeline to second order reaction pond, means for feeding acid adjusts back pond by pipeline to pH value;
Air agitation system, to chemicals dosing plant, wastewater collection system, mud collecting tank and pH value readjustment pond, utilizes pressurized air to realize agitating function;
PLC control system ensures automatic operating, its indicating meter Dynamic Announce sewage treatment process.
Shown in Fig. 1, air agitation system is made up of gas-holder and pipeline, from the dotted line that gas-holder is drawn in Fig. 1, and the position that the gas-holder pressurized air out of expression will reach by the road.
As shown in Figure 1, a kind of phosphatization is further described and chemical nickel plating mixing comprehensive effluent disposal technology is as follows:
First high-concentration waste liquid and lower concentration Cleaning Wastewater are collected respectively, the high-concentration waste liquid then making quantitatively instillation in wastewater equalization pond and the equal quantification treatment of lower concentration Cleaning Wastewater homogeneous entered continuously;
Then the waste water that homogeneous all quantizes enters first order reaction pond through pH regulator, adds liming, calcium chloride, flocculation agent PAC, coagulant aids PAM, after mechanical stirring and chemical reaction, and OH
-mn in ion and Phosphating Solution
2+, Ni
2+, Zn
2+deng metal ion and PO
4 3-with Ca
2+formed chemical reaction and generate solids suspension matter;
In tube settling groove, carry out solid-liquid separation first, heavy metal ion and phosphorus are removed, the mud out of solid-liquid separation first enters mud collecting tank, and liquid enters second order reaction pond; Second order reaction pond comprises coagulation tank and line mixer, coagulating agent PAC and coagulant aids PAM is added in second order reaction pond, the molecule, oily substance etc. that make to be difficult to precipitate flocculate into larger particles in air-flotation process system to be removed, thus secondary waste water is purified;
Waste water enters air-flotation system after the process of second order reaction pond, and the slag scraper of oil pollutant in air-flotation system of the suspended matter and emulsification that are suspended in wastewater surface scrapes off and enter mud collecting tank, and clear liquid enters in pH value readjustment pond, adjusts back qualified discharge through pH;
Mud in mud collecting tank is through pressure filter filter-press dehydration, moisture percentage in sewage sludge is down to about 70% ~ 80%, dry mud cake after press filtration is transported to the mud concentration zones of specifying by mud transfer roller, be transported to place landfill or stacking that local environmental administration specifies outside mud cake, the pressing filtering liquid of sludge concentration tank supernatant liquor, sludge filter press returns equalizing tank and processes;
Wastewater treatment whole process is controlled automatically by PLC, process is run automatically, and waste water ph is by the automatic measurement and monitoring of pH meter, and whole process all ingredients automatically controls volume pump by PLC and automatically adds, thus ensure the stable, continuous of wastewater treatment process, make water outlet qualified discharge.
Described PLC control system realizes phosphatization comprehensive wastewater treating processes and equipment automatic operating, is discharge of wastewater Key Control up to standard.The adjustment of its control ph, the automatic interpolation of various chemical reagent, the automatic operation etc. of pump class, make final outflow water qualified discharge, its indicating meter Dynamic Announce sewage treatment process.
Described high-concentration waste liquid collecting tank is used for collecting phosphating line electrochemical deoiling, pickling, table are adjusted, the waste liquid of phosphatization and chemical nickel plating station periodic exhaustion.
The various Cleaning Wastewater of discharging when described lower concentration Cleaning Wastewater collecting tank is used for collecting phosphating line operation.
Described equalizing tank collects the high-concentration waste liquid quantitatively dripped and the lower concentration rinse water entered continuously, makes the waste water of two kinds of concentration in this pond, carry out homogeneous and all quantize.
Described first order reaction pond regulates waste water ph, the key equipment of dephosphorization and heavy metal ion.Liming, calcium chloride, flocculation agent (PAC), coagulant aids (PAM) is added in this reaction tank, liming not only can dephosphorization, but also can adjust ph to realize heavy metal such as removing nickel, zinc, manganese etc., flocculation agent (PAC), coagulant aids (PAM) are to promote to precipitate cohesion fast and sedimentation, CaCl
2with further dephosphorization, it has certain De-emulsification flocculent effect simultaneously, is conducive to oil removing and promotes precipitation.
Described tube settler groove is that waste water that first order reaction pond is processed and throw out wherein realize settle precipitates, and discharges clear liquid, and the mud settled down enters mud collecting tank automatically by pipeline, finally through pressure filter press filtration to remove out phosphorus and heavy metal contaminants.
Described second order reaction pond comprises coagulation tank, line mixer, dosing coagulant PAC and coagulant aids PAM, the molecule, oily substance etc. that make to be difficult to precipitate flocculate into larger particles in air-flotation process system to be removed, thus secondary waste water is purified.
Described air-flotation system, comprises air-floating apparatus, gas-holder, dissolving and air dissolved pump, slag scraper, adopts part pressurized dissolved air flotation technological design, can remove the materials such as suspended solid in waste water and various oil slick to greatest extent.The mud gravity flow that air flotation processing device produces is drained into sludge sump.
Described pH value readjustment pond its add after pH adjusts back 6 ~ 9 by acid solution by pH value automatic control system, up to standardly directly enter company's sewer line.
Described chemicals dosing plant is used for the liming, the CaCl that dissolve blending process normality respectively
2, PAC, PAM and acid solution solution, the solution prepared is added to each toss area through volume pump metering, and each reagent pot adopts mechanical stirring.
Described air agitation system is the stirring realizing each reaction tank, wastewater collection pond etc., makes the solid of waste water or suspended matter be unlikely to sedimentation.
Claims (3)
1. phosphatization and a chemical nickel plating mixing comprehensive effluent disposal technology, concrete steps are:
First high-concentration waste liquid and lower concentration Cleaning Wastewater are collected respectively, the high-concentration waste liquid then making quantitatively instillation in wastewater equalization pond and the equal quantification treatment of lower concentration Cleaning Wastewater homogeneous entered continuously;
Then the waste water that homogeneous all quantizes enters first order reaction pond through pH regulator, adds liming, calcium chloride, flocculation agent PAC, coagulant aids PAM, after mechanical stirring and chemical reaction, and OH
-mn in ion and Phosphating Solution
2+, Ni
2+, Zn
2+deng metal ion and PO
4 3-with Ca
2+formed chemical reaction and generate solids suspension matter;
In tube settling groove, carry out solid-liquid separation first, heavy metal ion and phosphorus are removed, the mud out of solid-liquid separation first enters mud collecting tank, and liquid enters second order reaction pond; Second order reaction pond comprises coagulation tank and line mixer, adds coagulating agent PAC and coagulant aids PAM in second order reaction pond, makes the molecule, oily substance etc. being difficult to precipitate flocculate into larger particles;
Waste water enters air-flotation system after the process of second order reaction pond, the slag scraper of oil pollutant in air-flotation system of the suspended matter and emulsification that are suspended in wastewater surface scrapes off and enters mud collecting tank, the waste water that tube settling groove is come obtains secondary-cleaned, clear liquid after secondary-cleaned enters in pH value readjustment pond, adjusts back qualified discharge through pH;
Mud in mud collecting tank is through pressure filter filter-press dehydration, and the dry mud cake after press filtration is transported to the mud concentration zones of specifying; Supernatant liquor in mud collecting tank, the pressing filtering liquid of pressure filter, return equalizing tank and process;
Wastewater treatment whole process is controlled automatically by PLC, and waste water ph is by the automatic measurement and monitoring of pH meter, and whole process all ingredients automatically controls volume pump by PLC and automatically adds, thus ensures the stable, continuous of wastewater treatment process, makes water outlet qualified discharge.
2. a kind of phosphatization described in claim 1 and chemical nickel plating mixing comprehensive effluent disposal technology, it is characterized in that: in first order reaction pond, add liming, calcium chloride, flocculation agent PAC and coagulant aids PAM, liming had both been used for regulating waste water ph to remove the heavy metals such as nickel zinc-manganese, again can dephosphorization, calcium chloride is with further dephosphorization, it has certain De-emulsification flocculent effect simultaneously, is conducive to oil removing and promotes precipitation.
3. phosphatization and a chemical nickel plating mixing comprehensive wastewater process automatic equipment, is characterized in that: comprise PLC control system, Waste Water Treatment, chemicals dosing plant, air agitation system;
Waste Water Treatment is connected successively by wastewater collection system, equalizing tank, first order reaction pond, tube settler groove, air-flotation system;
Wastewater collection system is made up of high-concentration waste liquid collecting tank, lower concentration Cleaning Wastewater collecting tank, and high-concentration waste liquid collecting tank is by waste drains pump, pipeline to equalizing tank, and lower concentration Cleaning Wastewater collecting tank passes through waste water pump, pipeline to equalizing tank;
Second order reaction pond is made up of coagulation tank and line mixer, and air-flotation system is made up of gas-holder, dissolving and air dissolved pump, slag scraper;
The sludge outlet of air-flotation system is to mud collecting tank, and the purified liquor outlet of air-flotation system adjusts back pond to pH value;
The supporting side being arranged on Waste Water Treatment of chemicals dosing plant, comprise liming chemicals dosing plant, CaCL2 chemicals dosing plant, PAC chemicals dosing plant, PAM chemicals dosing plant, means for feeding acid and liming chemicals dosing plant by pipeline to first order reaction pond, PAC chemicals dosing plant and PAM chemicals dosing plant also by pipeline to second order reaction pond, means for feeding acid adjusts back pond by pipeline to pH value;
Air agitation system, to chemicals dosing plant, wastewater collection system, mud collecting tank and pH value readjustment pond, utilizes pressurized air to realize agitating function;
PLC control system ensures automatic operating, its indicating meter Dynamic Announce sewage treatment process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510255363.4A CN104909490A (en) | 2015-05-19 | 2015-05-19 | Phosphating and chemical nickel-plating mixed comprehensive wastewater treatment process and automated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510255363.4A CN104909490A (en) | 2015-05-19 | 2015-05-19 | Phosphating and chemical nickel-plating mixed comprehensive wastewater treatment process and automated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104909490A true CN104909490A (en) | 2015-09-16 |
Family
ID=54079002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510255363.4A Pending CN104909490A (en) | 2015-05-19 | 2015-05-19 | Phosphating and chemical nickel-plating mixed comprehensive wastewater treatment process and automated device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104909490A (en) |
Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106115981A (en) * | 2016-08-26 | 2016-11-16 | 东莞市粤丰废水处理有限公司 | The process technique of a kind of hc effluent and process streamline |
| CN106186583A (en) * | 2016-08-31 | 2016-12-07 | 浙江力源皮业有限公司 | A kind of plant chimney stalk administering method |
| CN106746039A (en) * | 2017-03-30 | 2017-05-31 | 江苏永益环保科技有限公司 | Defatting-bonderizing Waste Water Treatment |
| CN107324541A (en) * | 2017-08-02 | 2017-11-07 | 三明福特科光电有限公司 | A kind of anodic metal oxide sewage multi-level handling system and its processing method |
| CN107662984A (en) * | 2016-07-29 | 2018-02-06 | 上海轻工业研究所有限公司 | The processing method of chemical nickle-plating wastewater |
| CN107857442A (en) * | 2017-12-12 | 2018-03-30 | 四川卓越水处理设备有限公司 | A kind of Laboratory Waste Water Treatment equipment |
| CN107935087A (en) * | 2017-12-12 | 2018-04-20 | 玖龙纸业（东莞）有限公司 | A kind of full-automatic air supporting control system and control method |
| CN108164036A (en) * | 2017-12-29 | 2018-06-15 | 温州兴仕铜材有限公司 | A kind of heavy metal waste water treatment process |
| CN108218088A (en) * | 2018-02-11 | 2018-06-29 | 安徽江淮汽车集团股份有限公司 | Coating wastewater zero discharge treatment method and system |
| CN108298737A (en) * | 2018-04-13 | 2018-07-20 | 江西金达莱环保股份有限公司 | A kind for the treatment of method and apparatus of organosilicon production industry screenings waste water |
| CN109020019A (en) * | 2018-10-30 | 2018-12-18 | 湖北凯乐量子通信光电科技有限公司 | A kind of acidic fluorine-containing waste water purifying processing device |
| CN109052730A (en) * | 2018-09-12 | 2018-12-21 | 汽-大众汽车有限公司 | A kind of phosphorized waste water processing method and processing system |
| CN109052765A (en) * | 2018-08-22 | 2018-12-21 | 广州桑尼环保科技有限公司 | A kind of chemical nickle-plating wastewater processing system and method |
| CN109534470A (en) * | 2018-12-28 | 2019-03-29 | 山东祥瑞药业有限公司 | A kind of starch wastewater dephosphorization automatic medicine adding apparatus and its application method |
| CN109851102A (en) * | 2019-04-17 | 2019-06-07 | 中和环境工程有限公司 | A kind of processing method of graphite acid waste water Fractional Collections and segmentation neutralization |
| CN109879513A (en) * | 2019-03-11 | 2019-06-14 | 一汽-大众汽车有限公司 | A kind of painting dressing automobiles electrophoresis waste water pretreatment system and method |
| CN110092524A (en) * | 2019-05-10 | 2019-08-06 | 重庆大学 | A kind of processing method and system of high concentration phosphorized waste water |
| CN110194514A (en) * | 2019-06-05 | 2019-09-03 | 九江德福科技股份有限公司 | A kind of ashing liquid wastewater treatment method |
| CN111573991A (en) * | 2020-06-03 | 2020-08-25 | 河南双辰环保工程有限公司 | Chemical plating comprehensive wastewater treatment method |
| CN111592146A (en) * | 2020-06-03 | 2020-08-28 | 河南双辰环保工程有限公司 | Pretreatment method of chemical plating nickel-containing wastewater of hydraulic prop for coal mine |
| CN112225392A (en) * | 2020-09-11 | 2021-01-15 | 广东闻扬环境科技有限公司 | Treatment method and treatment system for electroplating cleaning wastewater |
| CN112607893A (en) * | 2020-11-19 | 2021-04-06 | 宁波中科纬诚新材料科技有限公司 | Plating solution wastewater treatment method for nickel plating of plated part |
| CN112661359A (en) * | 2020-12-29 | 2021-04-16 | 宁波纬诚科技股份有限公司 | System and method for breaking and oxidizing chemical nickel plating residual liquid of vehicle parts |
| CN112811695A (en) * | 2021-01-12 | 2021-05-18 | 洛阳国联新材料研究院有限公司 | Electroplating wastewater zero-liquid discharge system and process |
| CN113045116A (en) * | 2021-03-15 | 2021-06-29 | 重庆乐邦环保机电研究所有限公司 | Method for treating production wastewater of automobile coating workshop |
| CN113429077A (en) * | 2021-06-30 | 2021-09-24 | 浙江斯科能科技股份有限公司 | Biochemical treatment process for treating high-concentration organic wastewater on metal surface |
| CN113788566A (en) * | 2021-09-30 | 2021-12-14 | 北京首敬科技有限公司 | Intelligent sewage separation system |
| CN113814208A (en) * | 2020-06-15 | 2021-12-21 | 宝山钢铁股份有限公司 | Material cleaning and recycling system and method for conveyor |
| CN116282663A (en) * | 2023-02-21 | 2023-06-23 | 中核核电运行管理有限公司 | Non-amplified repair wastewater treatment system and process applied to nuclear power station |
| CN117602774A (en) * | 2023-12-27 | 2024-02-27 | 广东拓致环境科技有限公司 | Pickling phosphating wastewater treatment method and system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101456647A (en) * | 2008-12-19 | 2009-06-17 | 上海依科绿色工程有限公司 | Automobile manufacturer wastewater treatment method |
| CN102020373A (en) * | 2009-09-15 | 2011-04-20 | 上海宝钢工程技术有限公司 | Process for treating phosphate coating wastewater of steel pipes |
| CN202492422U (en) * | 2012-02-23 | 2012-10-17 | 江苏亚峰机械有限公司 | Waste water treatment device |
| CN202610056U (en) * | 2012-06-12 | 2012-12-19 | 成都力拓环保设备有限公司 | Integrated treatment device of phosphating wastewater |
| CN203021378U (en) * | 2013-01-03 | 2013-06-26 | 江苏新裕泰华环保有限公司 | Phosphating wastewater treatment device |
| CN103274567A (en) * | 2013-05-27 | 2013-09-04 | 天津市环境保护科学研究院 | Device and method for treating electrophoretic coating waste water |
| CN104528987A (en) * | 2014-12-12 | 2015-04-22 | 深圳市祐林环保有限公司 | Nickel-containing wastewater treatment method and equipment |
| CN204644018U (en) * | 2015-05-19 | 2015-09-16 | 东风活塞轴瓦有限公司 | A kind of phosphatization and chemical nickel plating mixing comprehensive wastewater process automatic equipment |
| CN205740671U (en) * | 2016-05-26 | 2016-11-30 | 广东溢丰环保科技有限公司 | A kind of sedimentation tank structure of electroplating wastewater system |
-
2015
- 2015-05-19 CN CN201510255363.4A patent/CN104909490A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101456647A (en) * | 2008-12-19 | 2009-06-17 | 上海依科绿色工程有限公司 | Automobile manufacturer wastewater treatment method |
| CN102020373A (en) * | 2009-09-15 | 2011-04-20 | 上海宝钢工程技术有限公司 | Process for treating phosphate coating wastewater of steel pipes |
| CN202492422U (en) * | 2012-02-23 | 2012-10-17 | 江苏亚峰机械有限公司 | Waste water treatment device |
| CN202610056U (en) * | 2012-06-12 | 2012-12-19 | 成都力拓环保设备有限公司 | Integrated treatment device of phosphating wastewater |
| CN203021378U (en) * | 2013-01-03 | 2013-06-26 | 江苏新裕泰华环保有限公司 | Phosphating wastewater treatment device |
| CN103274567A (en) * | 2013-05-27 | 2013-09-04 | 天津市环境保护科学研究院 | Device and method for treating electrophoretic coating waste water |
| CN104528987A (en) * | 2014-12-12 | 2015-04-22 | 深圳市祐林环保有限公司 | Nickel-containing wastewater treatment method and equipment |
| CN204644018U (en) * | 2015-05-19 | 2015-09-16 | 东风活塞轴瓦有限公司 | A kind of phosphatization and chemical nickel plating mixing comprehensive wastewater process automatic equipment |
| CN205740671U (en) * | 2016-05-26 | 2016-11-30 | 广东溢丰环保科技有限公司 | A kind of sedimentation tank structure of electroplating wastewater system |
Cited By (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107662984A (en) * | 2016-07-29 | 2018-02-06 | 上海轻工业研究所有限公司 | The processing method of chemical nickle-plating wastewater |
| CN106115981A (en) * | 2016-08-26 | 2016-11-16 | 东莞市粤丰废水处理有限公司 | The process technique of a kind of hc effluent and process streamline |
| CN106186583A (en) * | 2016-08-31 | 2016-12-07 | 浙江力源皮业有限公司 | A kind of plant chimney stalk administering method |
| CN106746039A (en) * | 2017-03-30 | 2017-05-31 | 江苏永益环保科技有限公司 | Defatting-bonderizing Waste Water Treatment |
| CN107324541A (en) * | 2017-08-02 | 2017-11-07 | 三明福特科光电有限公司 | A kind of anodic metal oxide sewage multi-level handling system and its processing method |
| CN107324541B (en) * | 2017-08-02 | 2023-12-19 | 三明福特科光电有限公司 | Multistage treatment system and treatment method for metal anodic oxidation sewage |
| CN107857442A (en) * | 2017-12-12 | 2018-03-30 | 四川卓越水处理设备有限公司 | A kind of Laboratory Waste Water Treatment equipment |
| CN107935087A (en) * | 2017-12-12 | 2018-04-20 | 玖龙纸业（东莞）有限公司 | A kind of full-automatic air supporting control system and control method |
| CN107935087B (en) * | 2017-12-12 | 2021-02-19 | 玖龙纸业（东莞）有限公司 | Full-automatic air floatation control system and control method |
| CN108164036A (en) * | 2017-12-29 | 2018-06-15 | 温州兴仕铜材有限公司 | A kind of heavy metal waste water treatment process |
| CN108218088A (en) * | 2018-02-11 | 2018-06-29 | 安徽江淮汽车集团股份有限公司 | Coating wastewater zero discharge treatment method and system |
| CN108298737A (en) * | 2018-04-13 | 2018-07-20 | 江西金达莱环保股份有限公司 | A kind for the treatment of method and apparatus of organosilicon production industry screenings waste water |
| CN109052765A (en) * | 2018-08-22 | 2018-12-21 | 广州桑尼环保科技有限公司 | A kind of chemical nickle-plating wastewater processing system and method |
| CN109052730A (en) * | 2018-09-12 | 2018-12-21 | 汽-大众汽车有限公司 | A kind of phosphorized waste water processing method and processing system |
| CN109020019A (en) * | 2018-10-30 | 2018-12-18 | 湖北凯乐量子通信光电科技有限公司 | A kind of acidic fluorine-containing waste water purifying processing device |
| CN109534470A (en) * | 2018-12-28 | 2019-03-29 | 山东祥瑞药业有限公司 | A kind of starch wastewater dephosphorization automatic medicine adding apparatus and its application method |
| CN109879513A (en) * | 2019-03-11 | 2019-06-14 | 一汽-大众汽车有限公司 | A kind of painting dressing automobiles electrophoresis waste water pretreatment system and method |
| CN109851102A (en) * | 2019-04-17 | 2019-06-07 | 中和环境工程有限公司 | A kind of processing method of graphite acid waste water Fractional Collections and segmentation neutralization |
| CN109851102B (en) * | 2019-04-17 | 2021-11-23 | 中和环境工程有限公司 | Treatment method for sectional collection and sectional neutralization of graphite acid wastewater |
| CN110092524A (en) * | 2019-05-10 | 2019-08-06 | 重庆大学 | A kind of processing method and system of high concentration phosphorized waste water |
| CN110092524B (en) * | 2019-05-10 | 2021-12-21 | 重庆大学 | Method and system for treating high-concentration phosphating wastewater |
| CN110194514A (en) * | 2019-06-05 | 2019-09-03 | 九江德福科技股份有限公司 | A kind of ashing liquid wastewater treatment method |
| CN111592146A (en) * | 2020-06-03 | 2020-08-28 | 河南双辰环保工程有限公司 | Pretreatment method of chemical plating nickel-containing wastewater of hydraulic prop for coal mine |
| CN111573991B (en) * | 2020-06-03 | 2022-03-04 | 河南双辰环保工程有限公司 | Chemical plating comprehensive wastewater treatment method |
| CN111573991A (en) * | 2020-06-03 | 2020-08-25 | 河南双辰环保工程有限公司 | Chemical plating comprehensive wastewater treatment method |
| CN113814208A (en) * | 2020-06-15 | 2021-12-21 | 宝山钢铁股份有限公司 | Material cleaning and recycling system and method for conveyor |
| CN112225392A (en) * | 2020-09-11 | 2021-01-15 | 广东闻扬环境科技有限公司 | Treatment method and treatment system for electroplating cleaning wastewater |
| CN112607893A (en) * | 2020-11-19 | 2021-04-06 | 宁波中科纬诚新材料科技有限公司 | Plating solution wastewater treatment method for nickel plating of plated part |
| CN112661359A (en) * | 2020-12-29 | 2021-04-16 | 宁波纬诚科技股份有限公司 | System and method for breaking and oxidizing chemical nickel plating residual liquid of vehicle parts |
| CN112811695A (en) * | 2021-01-12 | 2021-05-18 | 洛阳国联新材料研究院有限公司 | Electroplating wastewater zero-liquid discharge system and process |
| CN113045116A (en) * | 2021-03-15 | 2021-06-29 | 重庆乐邦环保机电研究所有限公司 | Method for treating production wastewater of automobile coating workshop |
| CN113429077A (en) * | 2021-06-30 | 2021-09-24 | 浙江斯科能科技股份有限公司 | Biochemical treatment process for treating high-concentration organic wastewater on metal surface |
| CN113788566A (en) * | 2021-09-30 | 2021-12-14 | 北京首敬科技有限公司 | Intelligent sewage separation system |
| CN116282663A (en) * | 2023-02-21 | 2023-06-23 | 中核核电运行管理有限公司 | Non-amplified repair wastewater treatment system and process applied to nuclear power station |
| CN117602774A (en) * | 2023-12-27 | 2024-02-27 | 广东拓致环境科技有限公司 | Pickling phosphating wastewater treatment method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104909490A (en) | Phosphating and chemical nickel-plating mixed comprehensive wastewater treatment process and automated device | |
| CN101823813B (en) | Method for treating waste water of circuit board production | |
| CN102126799A (en) | Method for treating fluorine-containing and ammonia nitrogen-containing waste water in electronic industry | |
| CN102079597B (en) | Method for removing copper ions in sewage | |
| LU503889B1 (en) | A desulfurization wastewater treatment system and process | |
| CN111285564A (en) | Copper-containing electroplating wastewater treatment device and method | |
| CN204702591U (en) | Sewage treatment systems | |
| CN204644018U (en) | A kind of phosphatization and chemical nickel plating mixing comprehensive wastewater process automatic equipment | |
| JP2009072769A (en) | Sewage treatment system | |
| CN211546271U (en) | Electroplating wastewater split-flow treatment device for centralized control area | |
| CN109626627B (en) | High-salt ash leachate pretreatment method | |
| CN101492039B (en) | Environmental protection cleaning method and station of chemical industry operation storage and transportation device | |
| CN102942263A (en) | Sewage treatment method | |
| CN107555676B (en) | Kitchen sewage treatment device | |
| CN109987752A (en) | A kind of stainless steel electrolytic polishing wastewater treatment method and device | |
| RU110738U1 (en) | INSTALLATION FOR DEEP CLEANING OF WASTE WATER FROM IONS OF HEAVY METALS AND ANIONS | |
| KR20200041881A (en) | Treatment of liquid streams containing high concentrations of solids using ballast-type clarification | |
| CN108101274A (en) | A kind of oils high-COD waste water pretreating process and equipment | |
| CN205011499U (en) | Phosphorus containing sewage processing system | |
| CN207391133U (en) | A kind of new grease factory refining wastewater pre-processing device | |
| CN105621725B (en) | Heavy metal-polluted acid waste water treatment system | |
| CN218709814U (en) | Oily wastewater treatment system | |
| CN221166326U (en) | Discharge wastewater treatment integrated system in ternary lithium battery recovery process | |
| CN209161657U (en) | A kind of cleaning abrasive waste water processing equipment | |
| CN109179779A (en) | A kind of materialization water purifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150916 |
|
| WD01 | Invention patent application deemed withdrawn after publication |