CN111943437A - Phosphating wastewater treatment system and treatment method - Google Patents
Phosphating wastewater treatment system and treatment method Download PDFInfo
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- CN111943437A CN111943437A CN202010811909.0A CN202010811909A CN111943437A CN 111943437 A CN111943437 A CN 111943437A CN 202010811909 A CN202010811909 A CN 202010811909A CN 111943437 A CN111943437 A CN 111943437A
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- tank
- flocculation
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- phosphating
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 22
- 239000002351 wastewater Substances 0.000 claims abstract description 67
- 238000006243 chemical reaction Methods 0.000 claims abstract description 48
- 238000005189 flocculation Methods 0.000 claims abstract description 35
- 230000016615 flocculation Effects 0.000 claims abstract description 35
- 238000004062 sedimentation Methods 0.000 claims abstract description 34
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000010802 sludge Substances 0.000 claims abstract description 17
- 239000007791 liquid phase Substances 0.000 claims abstract description 10
- 239000007790 solid phase Substances 0.000 claims abstract description 10
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 8
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 8
- 239000008394 flocculating agent Substances 0.000 claims abstract description 8
- 239000004571 lime Substances 0.000 claims abstract description 8
- 239000004576 sand Substances 0.000 claims abstract description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 26
- 230000001105 regulatory effect Effects 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 9
- 238000005345 coagulation Methods 0.000 claims description 8
- 230000015271 coagulation Effects 0.000 claims description 8
- 239000003344 environmental pollutant Substances 0.000 claims description 8
- 231100000719 pollutant Toxicity 0.000 claims description 8
- 239000011152 fibreglass Substances 0.000 claims description 7
- 238000009287 sand filtration Methods 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000007062 hydrolysis Effects 0.000 claims 2
- 238000006460 hydrolysis reaction Methods 0.000 claims 2
- 230000020477 pH reduction Effects 0.000 claims 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 16
- 229910052698 phosphorus Inorganic materials 0.000 description 16
- 239000011574 phosphorus Substances 0.000 description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 230000001112 coagulating effect Effects 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 2
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004069 wastewater sedimentation Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention provides a phosphating wastewater treatment system and a treatment method. The phosphorization wastewater treatment system comprises a phosphorization wastewater adjusting tank, wherein the phosphorization wastewater adjusting tank is connected with a reaction tank, the reaction tank is connected with a central adjusting tank, the central adjusting tank is connected with a flocculation tank, the flocculation tank is connected with a sedimentation tank, a solid phase outlet of the sedimentation tank is connected with a sludge concentration tank, the sludge concentration tank is connected with a filter press, a liquid phase outlet of the sedimentation tank is connected with an intermediate water tank, the intermediate water tank is connected with a sand filter tank, the sand filter tank is connected with a neutralization tank, the neutralization tank is connected with a biochemical treatment system, the reaction tank, the central adjusting tank and the flocculation tank adopt a triple box type structure, a stirrer is installed in the central adjusting tank, a lime supply box is connected in the reaction tank, and the flocculation tank is connected with a flocculating agent adding box. The invention avoids the pollution of the phosphating waste water to the environment and realizes the standard discharge of the waste water.
Description
The technical field is as follows:
the invention relates to a phosphating wastewater treatment system and a treatment method, belonging to the technical field of wastewater treatment.
Background art:
phosphating system wastewater generated by automobile coating enterprises mainly comes from wastewater containing nickel, phosphorus and zinc in a phosphating system (phosphating and washing stage after phosphating), and is designed into a physicochemical treatment mode with the main aim of removing heavy metals and phosphates in the wastewater. Meanwhile, the nickel containing the first pollutant must reach the maximum allowable discharge concentration of the first pollutant after the treatment process.
The phosphorization wastewater with the excessive total phosphorus generally refers to anodic oxidation wastewater, industrial phosphorus-containing wastewater, phosphoric acid wastewater and the like, phosphorus in the wastewater is generally orthophosphate, and for the phosphorus, the traditional phosphorus removal agent is generally adopted for treatment, for example, lime is added for the anodic oxidation wastewater with higher phosphorus concentration, and for the industrial wastewater with lower phosphorus concentration, an iron-based phosphorus removal agent is added for precipitation treatment. The waste water of chemical fertilizer plant, pesticide and phosphorus-containing waste water is organic phosphorus waste water, and the organic phosphorus waste water is treated by adopting two processes of oxidation treatment or biochemical treatment, and the oxidation method is characterized by that the waste water is treated by oxidizing organic phosphorus into positive phosphorus and then adding a positive phosphorus remover.
The invention content is as follows:
the invention aims to provide a phosphating wastewater treatment system and a treatment method aiming at the existing problems, wherein pollutants such as heavy metals of nickel, phosphate, zinc, SS (suspended solids or suspended solids) and the like in wastewater are removed by adding hydrochloric acid, calcium hydroxide, polyferric oxide and PAM into a reaction tank regulation tank and the like by adopting a process of coagulation, precipitation, filtration and pH back regulation. Then the wastewater is discharged into a sedimentation tank for solid-liquid separation, the wastewater enters a sand filtration tower again to remove a small amount of unsettled SS in the wastewater, and the effluent is discharged into a neutralization tank to adjust the pH. Finally, the waste water and other coating waste water enter a biochemical treatment system together to realize the standard discharge of the waste water.
The above purpose is realized by the following technical scheme:
the utility model provides a bonderizing wastewater treatment system, includes bonderizing wastewater equalizing basin, bonderizing wastewater equalizing basin connection reaction tank, reaction tank connection center equalizing basin, the flocculation basin is connected to center equalizing basin, the sedimentation tank is connected to the flocculation basin, the solid phase exit linkage sludge thickening pond of sedimentation tank, the pressure filter is connected to the sludge thickening pond, pond in the middle of the liquid phase exit linkage of sedimentation tank, sand filter tank is connected to middle pond, the neutralization pond is connected to the sand filter tank, biochemical treatment system is connected to the neutralization pond, reaction tank, center equalizing basin, flocculation basin adopt the triplex box structure, just install the agitator in the center equalizing basin, be connected with lime supply tank in the reaction tank, the flocculation basin is connected with the flocculating agent and adds the case.
The phosphating wastewater treatment system is characterized in that an air stirring device is arranged in the phosphating wastewater adjusting tank.
The phosphating wastewater treatment system, biochemical treatment system including the comprehensive control pond, the comprehensive control pond is connected the hydrolysis-acidification pond, the good oxygen pond is connected to the hydrolysis-acidification pond, good oxygen pond connection coagulating sedimentation tank, the liquid phase export of coagulating sedimentation tank passes through the filter and connects the discharge water pond, the solid phase exit linkage coagulating concentration tank of coagulating sedimentation tank.
The phosphating wastewater treatment system is characterized in that the triple box structure comprises a reaction tank, a central regulating tank and a flocculation tank which are welded by steel plates, acid-resistant glass fiber reinforced plastics are lined in the reaction tank, the central regulating tank and the flocculation tank which are welded by the steel plates, the thickness of an acid-resistant glass fiber reinforced plastics layer is more than or equal to 3mm, epoxy anti-rust paint layers are coated outside the reaction tank, the central regulating tank and the flocculation tank which are welded by the steel plates, a channel is arranged between the reaction tank and the central regulating tank, and a channel is arranged between the central regulating tank and the flocculation tank.
The method for treating the phosphating wastewater by using the phosphating wastewater treatment system comprises the following steps:
adopt the phosphorization waste water to carry into the pump and pump phosphorization waste water into the phosphorization waste water equalizing basin, adopt air stirring device, prevent that the pollutant from sinking the bottom of the pool, then input in the reaction tank of triple box structure, add hydrochloric acid in the reaction tank, add polyferric sulfate and PAM flocculating agent in the flocculation basin, stir in central adjusting tank simultaneously, then send into the sedimentation tank and deposit, the solid phase product in the sedimentation tank is sent into and is handled through the pressure filter in the sludge concentration pond, the liquid phase product in the sedimentation tank is sent into the intermediate water pond and is sent into the neutralization equalizing basin after the sand filtration jar filters, send into biochemical treatment system after adding hydrochloric acid and adjusting pH.
According to the method for treating the phosphating wastewater, the lime is added into the reaction tank with the triple box type structure at a preparation concentration of 10%, the addition amount is to adjust the pH value of the reaction tank with the triple box type structure to 8.2-8.7, and a diaphragm pump is adopted for adding.
According to the method for treating the phosphating wastewater, the adding amount of polymeric ferric sulfate in the flocculation tank with the triple box type structure is 8-16mg/L, and the adding amount of the PAM flocculating agent is 0.1 mg/L.
According to the method for treating the phosphating wastewater, hydrochloric acid which is 31 percent by mass of industrial hydrochloric acid is added into the neutralization regulating tank, and the added amount is used for regulating the pH value of the neutralization regulating tank to 6.8-7.2.
Has the advantages that:
the invention relates to a process of coagulation, precipitation, filtration and pH reverse adjustment. And (3) adding hydrochloric acid, calcium hydroxide, polyferric oxide and PAM into a regulating pond of the reaction pond to remove pollutants such as heavy metal nickel, phosphate, zinc, SS and the like in the wastewater. Then the wastewater is discharged into a sedimentation tank for solid-liquid separation, the wastewater enters a sand filtration tower again to remove a small amount of unsettled SS in the wastewater, and the effluent is discharged into a neutralization tank to adjust the pH. Finally, the waste water enters a biochemical treatment system together with other coating waste water. Aiming at the nature of the sewage, the most simple treatment means is adopted to effectively treat the sewage so that the sewage reaches the standard and is discharged, and the shock absorption, noise reduction, odor control, sludge drying and outward transportation and the like are fully considered, so that secondary pollution cannot be generated.
The reaction tank, the central adjusting tank and the flocculation tank of the invention adopt a triple box type structure, so that the reaction efficiency is effectively improved, the three-stage reaction of the triple box is the functions of dosing reaction, adjustment, coagulation and the like, the pH value of the phosphating wastewater is adjusted, partial pollutants are removed, the reaction time is greatly shortened, and the treatment capacity is improved.
The phosphating raw water regulating tank is provided with the air stirrer, so that sludge is effectively prevented from precipitating in the raw water regulating tank, and subsequent treatment is facilitated.
Description of the drawings:
FIG. 1 is a schematic diagram of the system of the present invention.
The specific implementation mode is as follows:
example 1:
as shown in fig. 1: the phosphating wastewater treatment system comprises a phosphating wastewater adjusting tank, wherein the phosphating wastewater adjusting tank is connected with a reaction tank, the reaction tank is connected with a central adjusting tank, the central adjusting tank is connected with a flocculation tank, the flocculation tank is connected with a sedimentation tank, a solid phase outlet of the sedimentation tank is connected with a sludge concentration tank, the sludge concentration tank is connected with a filter press, a liquid phase outlet of the sedimentation tank is connected with an intermediate water tank, the intermediate water tank is connected with a sand filter tank, the sand filter tank is connected with a neutralization tank, the neutralization tank is connected with a biochemical treatment system, the reaction tank, the central adjusting tank and the flocculation tank adopt a triple box structure, a stirrer is installed in the central adjusting tank, a lime supply box is connected in the reaction tank, and the flocculation tank is connected with a flocculant adding box.
The phosphating wastewater treatment system is characterized in that an air stirring device is arranged in the phosphating wastewater adjusting tank.
The phosphating wastewater treatment system, biochemical treatment system including the comprehensive control pond, the comprehensive control pond is connected the hydrolysis-acidification pond, the good oxygen pond is connected to the hydrolysis-acidification pond, good oxygen pond connection coagulating sedimentation tank, the liquid phase export of coagulating sedimentation tank passes through the filter and connects the discharge water pond, the solid phase exit linkage coagulating concentration tank of coagulating sedimentation tank.
The phosphating wastewater treatment system is characterized in that the triple box structure comprises a reaction tank, a central regulating tank and a flocculation tank which are welded by steel plates, acid-resistant glass fiber reinforced plastics are lined in the reaction tank, the central regulating tank and the flocculation tank which are welded by the steel plates, the thickness of an acid-resistant glass fiber reinforced plastics layer is more than or equal to 3mm, epoxy anti-rust paint layers are coated outside the reaction tank, the central regulating tank and the flocculation tank which are welded by the steel plates, a channel is arranged between the reaction tank and the central regulating tank, and a channel is arranged between the central regulating tank and the flocculation tank.
The method for treating the phosphating wastewater by using the phosphating wastewater treatment system comprises the following steps:
adopt the phosphorization waste water to carry into the pump and pump phosphorization waste water into the phosphorization waste water equalizing basin, adopt air stirring device, prevent that the pollutant from sinking the bottom of the pool, then input in the reaction tank of triple box structure, add hydrochloric acid in the reaction tank, add polyferric sulfate and PAM flocculating agent in the flocculation basin, stir in central adjusting tank simultaneously, then send into the sedimentation tank and deposit, the solid phase product in the sedimentation tank is sent into and is handled through the pressure filter in the sludge concentration pond, the liquid phase product in the sedimentation tank is sent into the intermediate water pond and is sent into the neutralization equalizing basin after the sand filtration jar filters, send into biochemical treatment system after adding hydrochloric acid and adjusting pH.
According to the method for treating the phosphating wastewater, the lime is added into the reaction tank with the triple box type structure at a preparation concentration of 10%, the addition amount is to adjust the pH value of the reaction tank with the triple box type structure to 8.2-8.7, and a diaphragm pump is adopted for adding.
According to the method for treating the phosphating wastewater, the adding amount of polymeric ferric sulfate in the flocculation tank with the triple box type structure is 8-16mg/L, and the adding amount of the PAM flocculating agent is 0.1 mg/L.
According to the method for treating the phosphating wastewater, hydrochloric acid which is 31 percent by mass of industrial hydrochloric acid is added into the neutralization regulating tank, and the added amount is used for regulating the pH value of the neutralization regulating tank to 6.8-7.2.
Equipment parameters:
phosphating wastewater incoming water is buffered by a raw water regulation pool, 1 pool is designed, and the total volume is 30m3And a steel-concrete anticorrosion structure.
Phosphating waste water lift pump:
phosphating wastewater treatment three-way box:
the three-stage reaction of the three headers is the functions of dosing reaction, regulation, coagulation and the like, and phosphorus and various metal ions in water are removed.
The phosphorization wastewater sedimentation tank adopts an inclined tube sedimentation tank.
Phosphatization wastewater sludge pond: and storing sludge generated in the sedimentation tank, and collecting the sludge for pressing treatment of a filter press.
| Number of | 1 seat |
| Volume of | 2m³ |
| Material of | Steel structure corrosion prevention |
A phosphatization sewage filter press:
| number of | 1 seat |
| Type of construction | Chamber type filter press |
| Area of filtration | 20m2 |
| Installation power | 1.5kW |
| Sludge pump | 2, set in coordination |
| Power supply | 380V, 50HZ, triphase |
| Manufacturer of the product | Shanghai Dazhang or equivalent |
Intermediate water tank of phosphorization wastewater:
| number of | 1 seat |
| Material of | PE |
| Volume of | 5m3 |
| Size of | Φ1840mm×2370mm |
| Liquid level meter | Ultrasonic liquid level 1 table |
| Manufacturer of the product | Nature of Suzhou |
An intermediate water pump:
phosphorization waste water sand filtration jar:
| number of | 2 table |
| Material of | Glass fiber reinforced plastic |
| Throughput of treatment | 7m3/h |
| Size of | Φ1140mm×1870mm |
| Filter material | Quartz sand |
| Manufacturer of the product | Jiangsu Weiersi |
Sand filtration tank washing pump:
phosphating neutralization water tank:
the technical means disclosed by the scheme of the invention are not limited to the technical means disclosed by the technical means, and also comprise the technical scheme formed by equivalent replacement of the technical features. The present invention is not limited to the details given herein, but is within the ordinary knowledge of those skilled in the art.
Claims (8)
1. The utility model provides a phosphating effluent disposal system which characterized in that: including the bonderizing waste water equalizing basin, the bonderizing waste water equalizing basin connects the reaction tank, reaction tank connection center equalizing basin, the flocculation basin is connected to center equalizing basin, the sedimentation tank is connected to the flocculation basin, the solid phase exit linkage sludge concentration pond of sedimentation tank, the pressure filter is connected to the sludge concentration pond, pond in the middle of the liquid phase exit linkage of sedimentation tank, the sand filter tank is connected to middle pond, the neutralization pond is connected to the sand filter tank, biochemical processing system is connected to the neutralization pond, reaction tank, center equalizing basin, flocculation basin adopt the triplex box structure, just install the agitator in the center equalizing basin, be connected with the lime supply tank in the reaction tank, the flocculation basin is connected with the flocculating agent and adds the case.
2. The phosphating wastewater treatment system according to claim 1, wherein: and an air stirring device is arranged in the phosphating wastewater adjusting tank.
3. The phosphating wastewater treatment system according to claim 1, wherein: the biochemical treatment system comprises a comprehensive adjusting water tank, the comprehensive adjusting water tank is connected with a hydrolysis acidification tank, the hydrolysis acidification tank is connected with an aerobic tank, the aerobic tank is connected with a coagulation sedimentation tank, a liquid phase outlet of the coagulation sedimentation tank is connected with a discharge water tank through a filter, and a solid phase outlet of the coagulation sedimentation tank is connected with a coagulation concentration tank.
4. The phosphating wastewater treatment system according to claim 1, wherein: the triple box type structure comprises a reaction tank, a central adjusting tank and a flocculation tank which are welded by steel plates, acid-resistant glass fiber reinforced plastics are lined in the reaction tank, the central adjusting tank and the flocculation tank which are welded by the steel plates, the thickness of an acid-resistant glass fiber reinforced plastics layer is more than or equal to 3mm, epoxy anti-rust paint layers are coated outside the reaction tank, the central adjusting tank and the flocculation tank which are welded by the steel plates, a channel is arranged between the reaction tank and the central adjusting tank, and a channel is arranged between the central adjusting tank and the flocculation tank.
5. A method for treating phosphating wastewater by using the phosphating wastewater treatment system is characterized by comprising the following steps: the method comprises the following steps:
adopt the phosphorization waste water to carry into the pump and pump phosphorization waste water into the phosphorization waste water equalizing basin, adopt air stirring device, prevent that the pollutant from sinking the bottom of the pool, then input in the reaction tank of triple box structure, add hydrochloric acid in the reaction tank, add polyferric sulfate and PAM flocculating agent in the flocculation basin, stir in central adjusting tank simultaneously, then send into the sedimentation tank and deposit, the solid phase product in the sedimentation tank is sent into and is handled through the pressure filter in the sludge concentration pond, the liquid phase product in the sedimentation tank is sent into the intermediate water pond and is sent into the neutralization equalizing basin after the sand filtration jar filters, send into biochemical treatment system after adding hydrochloric acid and adjusting pH.
6. The method for treating phosphatized wastewater according to claim 5, characterized in that: the preparation concentration of lime added into the reaction tank with the triple box type structure is 10%, the addition amount is to adjust the pH value of the reaction tank with the triple box type structure to 8.2-8.7, and a diaphragm pump is adopted for addition.
7. The method for treating phosphatized wastewater according to claim 5, characterized in that: the amount of polyferric sulfate added into the flocculation tank with the triple box type structure is 8-16mg/L, and the addition amount of the PAM flocculant is 0.1 mg/L.
8. The method for treating phosphatized wastewater according to claim 5, characterized in that: the hydrochloric acid is added into the neutralization regulating reservoir in an amount of 31 percent by mass, and the pH value of the neutralization regulating reservoir is regulated to 6.8-7.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010811909.0A CN111943437A (en) | 2020-08-13 | 2020-08-13 | Phosphating wastewater treatment system and treatment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010811909.0A CN111943437A (en) | 2020-08-13 | 2020-08-13 | Phosphating wastewater treatment system and treatment method |
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| Publication Number | Publication Date |
|---|---|
| CN111943437A true CN111943437A (en) | 2020-11-17 |
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| CN202010811909.0A Pending CN111943437A (en) | 2020-08-13 | 2020-08-13 | Phosphating wastewater treatment system and treatment method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08318292A (en) * | 1995-05-26 | 1996-12-03 | Tsukishima Kikai Co Ltd | Waste water treatment method and apparatus |
| CN101857340A (en) * | 2010-06-03 | 2010-10-13 | 江西昌河汽车有限责任公司 | Painting wastewater treatment process |
| CN106186578A (en) * | 2016-08-30 | 2016-12-07 | 江苏三和环保集团有限公司 | A kind of coating wastewater processing system |
| CN109721182A (en) * | 2017-10-27 | 2019-05-07 | 刘洋 | A kind of processing method of phosphorized waste water |
| CN212451092U (en) * | 2020-08-13 | 2021-02-02 | 江苏华晖环保科技有限公司 | Phosphating wastewater treatment system |
-
2020
- 2020-08-13 CN CN202010811909.0A patent/CN111943437A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08318292A (en) * | 1995-05-26 | 1996-12-03 | Tsukishima Kikai Co Ltd | Waste water treatment method and apparatus |
| CN101857340A (en) * | 2010-06-03 | 2010-10-13 | 江西昌河汽车有限责任公司 | Painting wastewater treatment process |
| CN106186578A (en) * | 2016-08-30 | 2016-12-07 | 江苏三和环保集团有限公司 | A kind of coating wastewater processing system |
| CN109721182A (en) * | 2017-10-27 | 2019-05-07 | 刘洋 | A kind of processing method of phosphorized waste water |
| CN212451092U (en) * | 2020-08-13 | 2021-02-02 | 江苏华晖环保科技有限公司 | Phosphating wastewater treatment system |
Non-Patent Citations (1)
| Title |
|---|
| 中国环境保护产业协会编: "《国家重点环境保护实用技术及示范工程汇编》", 中国环境科学出版社, pages: 276 - 277 * |
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