CN111943395A - Electrophoresis wastewater treatment system and treatment method - Google Patents
Electrophoresis wastewater treatment system and treatment method Download PDFInfo
- Publication number
- CN111943395A CN111943395A CN202010812100.XA CN202010812100A CN111943395A CN 111943395 A CN111943395 A CN 111943395A CN 202010812100 A CN202010812100 A CN 202010812100A CN 111943395 A CN111943395 A CN 111943395A
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- tank
- electrophoresis
- reaction tank
- flocculation
- pond
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- 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
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- 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
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
Abstract
The invention provides an electrophoresis wastewater treatment system. The electrophoresis wastewater treatment system is characterized in that: including electrophoresis raw water equalizing basin, electrophoresis raw water equalizing basin connection reaction tank, reaction tank connection center equalizing basin, the flocculation basin is connected to the center equalizing basin, reaction tank, center equalizing basin, flocculation basin adopt the triple box structure, just install the agitator in the center equalizing basin, alkali lye feed system is connected to the reaction tank, flocculation pond connection flocculating agent feed system, 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, in the middle pond connection neutralization reaction tank, hydrochloric acid feed system is connected to neutralization reaction tank, biochemical reaction system is connected to neutralization reaction tank. The invention avoids the pollution of the electrophoresis 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 an electrophoresis wastewater treatment system and a treatment method, and belongs to the technical field of wastewater treatment.
Background art:
the electrophoresis waste water produced by the automobile coating enterprises mainly comes from the electrophoresis production process of a coating workshop, and the main pollutants are high COD organic matters such as electrophoretic paint. Therefore, the coating wastewater has complex components, high pollutant concentration, poor biodegradability and higher treatment difficulty. For the coating wastewater treatment, the traditional method is to directly carry out coagulation treatment on the mixed wastewater, the treatment effect is not ideal, the effluent quality is unstable, and the effluent quality is difficult to reach the discharge standard.
The invention content is as follows:
the invention aims to provide an electrophoresis wastewater treatment system and a treatment method aiming at the existing problems, wherein a process of 'coagulation reaction + precipitation + pH reverse adjustment' is adopted, hydrochloric acid (HC1), ferric polysulfate, alkali liquor and Polyacrylamide (PAM) are added for flocculation reaction, and then the obtained product enters a sedimentation tank for solid-liquid separation. And enabling the supernatant to flow into a neutralization tank, adjusting the pH value to 6-9, and then entering a biochemical system adjusting tank to realize standard discharge of wastewater.
The above purpose is realized by the following technical scheme:
the utility model provides an electrophoresis effluent disposal system, includes electrophoresis raw water equalizing basin, electrophoresis raw water equalizing basin connects the reaction tank, reaction tank connection center equalizing basin, the flocculation basin is connected to the center equalizing basin, reaction tank, center equalizing basin, flocculation basin adopt the triplex box structure, just install the agitator in the center equalizing basin, alkali lye feed system is connected to the reaction tank, flocculation agent feed system is connected to the flocculation 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, in the middle of pond connection neutralization reaction tank, hydrochloric acid feed system is connected to neutralization reaction tank, biochemical reaction system is connected to neutralization reaction tank.
The electrophoresis wastewater treatment system is characterized in that an air stirrer is arranged in the electrophoresis raw water regulating tank.
The electrophoresis wastewater treatment system comprises a lime emulsifying tank, wherein a diaphragm pump is arranged in the lime emulsifying tank.
The electrophoresis wastewater treatment system comprises a flocculating agent supply system and a vanadium dissolving tank, wherein a stirrer is arranged in the vanadium dissolving tank, and the vanadium dissolving tank is connected with the flocculating tank through a dosing pump.
Electrophoresis effluent disposal system, biochemical treatment system including the integrated control pond, the integrated control pond is connected and is hydrolyzed the acidizing pond, it connects good oxygen pond to hydrolyze the acidizing pond, good oxygen pond is connected the coagulating sedimentation pond, the liquid phase export of coagulating sedimentation pond passes through the filter and connects the discharge water pond, the solid phase exit linkage coagulating concentration pond of coagulating sedimentation pond.
Electrophoresis effluent disposal system, the triple box structure include reaction tank, central equalizing basin, the flocculation basin that the steel sheet was welded, acid-fast glass steel is lined up in reaction tank, the central equalizing basin that the steel sheet was welded, the flocculation basin, acid-fast glass steel layer thickness is more than or equal to 3mm, epoxy anti-rust paint layer is scribbled to reaction tank, central equalizing basin, the flocculation basin outside that the steel sheet was welded, just be provided with the passageway between reaction tank, the central equalizing basin, be provided with the passageway between the flocculation basin.
The method for treating the electrophoretic wastewater by using the electrophoretic wastewater treatment device comprises the following steps:
the method comprises the steps of pumping electrophoresis wastewater into an electrophoresis wastewater adjusting tank by using an electrophoresis wastewater lifting pump, preventing pollutants from sinking into the bottom of the tank by using an air stirring device, inputting the electrophoresis wastewater into a reaction tank with a triple box structure, adding emulsified lime milk into the reaction tank, wherein the mass concentration is 3-10%, the pH value is adjusted to 8.6-9.5, adding polymeric ferric sulfate into a flocculation tank, the mass percentage concentration is 4-6%, stirring the polymeric ferric sulfate in a central adjusting tank, then sending the mixture into a sedimentation tank for sedimentation, sending a solid-phase product in the sedimentation tank into a sludge concentration tank for filter press treatment, sending a liquid-phase product in the sedimentation tank into an intermediate water tank for filtration, then sending the liquid-phase product into a neutralization adjusting tank, and adding hydrochloric acid for adjusting the pH value to 6.8-7.2, and then sending the solid-phase product into a biochemical treatment system.
Has the advantages that:
the invention adopts the technology of coagulation reaction, precipitation and pH reverse adjustment, adds hydrochloric acid (HC1) and ferric polysulfate for flocculation reaction, and then enters a sedimentation tank for solid-liquid separation. The supernatant water flows into the neutralization tank, the pH value is adjusted to 6.8-7.2, and then the supernatant water enters the biochemical system adjusting tank, the most simple treatment means is adopted to carry out effective treatment, so that the supernatant water is discharged after reaching the standard, 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. Such techniques are naturally advanced and should be economically sound and ensure long-term, safe and smooth operation.
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 electrophoretic wastewater is adjusted, partial pollutants are removed, the reaction time is greatly shortened, and the treatment capacity is improved.
The air stirrer is arranged in the electrophoresis raw water regulating tank, 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 electrophoresis wastewater treatment system comprises an electrophoresis raw water regulating tank, wherein the electrophoresis raw water regulating tank is connected with a reaction tank, the reaction tank is connected with a central regulating tank, the central regulating tank is connected with a flocculation tank, the reaction tank, the central regulating tank and the flocculation tank adopt a triple box type structure, a stirrer is arranged in the central regulating tank, the reaction tank is connected with an alkali liquor supply system, the flocculation tank is connected with a flocculant supply system, 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 neutralization reaction tank, the neutralization reaction tank is connected with a hydrochloric acid supply system, and the neutralization reaction tank is connected with a biochemical reaction system.
The electrophoresis wastewater treatment system is characterized in that an air stirrer is arranged in the electrophoresis raw water regulating tank.
The electrophoresis wastewater treatment system comprises a lime emulsifying tank, wherein a diaphragm pump is arranged in the lime emulsifying tank.
The electrophoresis wastewater treatment system comprises a flocculating agent supply system and a vanadium dissolving tank, wherein a stirrer is arranged in the vanadium dissolving tank, and the vanadium dissolving tank is connected with the flocculating tank through a dosing pump.
Electrophoresis effluent disposal system, biochemical treatment system including the integrated control pond, the integrated control pond is connected and is hydrolyzed the acidizing pond, it connects good oxygen pond to hydrolyze the acidizing pond, good oxygen pond is connected the coagulating sedimentation pond, the liquid phase export of coagulating sedimentation pond passes through the filter and connects the discharge water pond, the solid phase exit linkage coagulating concentration pond of coagulating sedimentation pond.
Electrophoresis effluent disposal system, the triple box structure include reaction tank, central equalizing basin, the flocculation basin that the steel sheet was welded, acid-fast glass steel is lined up in reaction tank, the central equalizing basin that the steel sheet was welded, the flocculation basin, acid-fast glass steel layer thickness is more than or equal to 3mm, epoxy anti-rust paint layer is scribbled to reaction tank, central equalizing basin, the flocculation basin outside that the steel sheet was welded, just be provided with the passageway between reaction tank, the central equalizing basin, be provided with the passageway between the flocculation basin.
The method for treating the electrophoretic wastewater by using the electrophoretic wastewater treatment device comprises the following steps:
the method comprises the steps of pumping electrophoresis wastewater into an electrophoresis wastewater adjusting tank by using an electrophoresis wastewater lifting pump, preventing pollutants from sinking into the bottom of the tank by using an air stirring device, inputting the electrophoresis wastewater into a reaction tank with a triple box structure, adding emulsified lime milk into the reaction tank, wherein the mass concentration is 3-10%, the pH value is adjusted to 8.6-9.5, adding polymeric ferric sulfate into a flocculation tank, the mass percentage concentration is 4-6%, stirring the polymeric ferric sulfate in a central adjusting tank, then sending the mixture into a sedimentation tank for sedimentation, sending a solid-phase product in the sedimentation tank into a sludge concentration tank for filter press treatment, sending a liquid-phase product in the sedimentation tank into an intermediate water tank for filtration, then sending the liquid-phase product into a neutralization adjusting tank, and adding hydrochloric acid for adjusting the pH value to 6.8-7.2, and then sending the solid-phase product into a biochemical treatment system.
Equipment parameters:
adjusting a water tank by using electrophoresis wastewater raw water:
incoming water of oily wastewater is cached in a raw water regulation pool, 1 pool is designed, the total volume is 30m3, and a reinforced concrete anti-corrosion structure is arranged.
Electrophoresis waste water and waste water lift pump:
electrophoresis wastewater treatment three-header:
the three-stage reaction of the three headers is the functions of dosing reaction, regulation, coagulation and the like.
An electrophoresis waste water sedimentation tank utilizes the prior common inclined tube sedimentation tank.
The middle water tank of the electrophoresis waste water:
| 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 |
Electrophoresis neutralization pond:
electrophoresis 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 |
| Manufacturer and place of origin | I am responsible for |
Electrophoresis waste water 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 |
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 (7)
1. An electrophoresis wastewater treatment system and a treatment method are characterized in that: including electrophoresis raw water equalizing basin, electrophoresis raw water equalizing basin connection reaction tank, reaction tank connection center equalizing basin, the flocculation basin is connected to the center equalizing basin, reaction tank, center equalizing basin, flocculation basin adopt the triple box structure, just install the agitator in the center equalizing basin, alkali lye feed system is connected to the reaction tank, flocculation pond connection flocculating agent feed system, 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, in the middle pond connection neutralization reaction tank, hydrochloric acid feed system is connected to neutralization reaction tank, biochemical reaction system is connected to neutralization reaction tank.
2. The electrophoretic wastewater treatment system according to claim 1, wherein: an air stirrer is arranged in the electrophoresis raw water regulating tank.
3. The electrophoretic wastewater treatment system according to claim 1, wherein: the alkali liquor supply system comprises a lime emulsification tank, and a diaphragm pump is arranged in the lime emulsification tank.
4. The electrophoretic wastewater treatment system according to claim 1, wherein: the flocculating agent supply system comprises a vanadium dissolving tank, wherein a stirrer is arranged in the vanadium dissolving tank, and the vanadium dissolving tank is connected with the flocculating tank through a dosing pump.
5. The electrophoretic 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.
6. The electrophoretic 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.
7. A method for treating electrophoresis wastewater by using the electrophoresis wastewater treatment device is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the steps of pumping electrophoresis wastewater into an electrophoresis wastewater adjusting tank by using an electrophoresis wastewater lifting pump, preventing pollutants from sinking into the bottom of the tank by using an air stirring device, inputting the electrophoresis wastewater into a reaction tank with a triple box structure, adding emulsified lime milk into the reaction tank, wherein the mass concentration is 3-10%, the pH value is adjusted to 8.6-9.5, adding polymeric ferric sulfate into a flocculation tank, the mass percentage concentration is 4-6%, stirring the polymeric ferric sulfate in a central adjusting tank, then sending the mixture into a sedimentation tank for sedimentation, sending a solid-phase product in the sedimentation tank into a sludge concentration tank for filter press treatment, sending a liquid-phase product in the sedimentation tank into an intermediate water tank for filtration, then sending the liquid-phase product into a neutralization adjusting tank, and adding hydrochloric acid for adjusting the pH value to 6.8-7.2, and then sending the solid-phase product into a biochemical treatment system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010812100.XA CN111943395A (en) | 2020-08-13 | 2020-08-13 | Electrophoresis wastewater treatment system and treatment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010812100.XA CN111943395A (en) | 2020-08-13 | 2020-08-13 | Electrophoresis wastewater treatment system and treatment method |
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| CN111943395A true CN111943395A (en) | 2020-11-17 |
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| CN202010812100.XA Pending CN111943395A (en) | 2020-08-13 | 2020-08-13 | Electrophoresis wastewater treatment system and treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113402051A (en) * | 2021-04-30 | 2021-09-17 | 付夏阳 | Electrophoresis processing waste liquid clean system |
Citations (5)
| 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 |
| CN101857340A (en) * | 2010-06-03 | 2010-10-13 | 江西昌河汽车有限责任公司 | Painting wastewater treatment process |
| CN203021377U (en) * | 2013-01-03 | 2013-06-26 | 江苏新裕泰华环保有限公司 | High-concentration liquid waste processing system |
| 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 |
| CN213112847U (en) * | 2020-08-13 | 2021-05-04 | 江苏华晖环保科技有限公司 | Electrophoresis effluent disposal system |
-
2020
- 2020-08-13 CN CN202010812100.XA patent/CN111943395A/en active Pending
Patent Citations (5)
| 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 |
| CN101857340A (en) * | 2010-06-03 | 2010-10-13 | 江西昌河汽车有限责任公司 | Painting wastewater treatment process |
| CN203021377U (en) * | 2013-01-03 | 2013-06-26 | 江苏新裕泰华环保有限公司 | High-concentration liquid waste processing system |
| 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 |
| CN213112847U (en) * | 2020-08-13 | 2021-05-04 | 江苏华晖环保科技有限公司 | Electrophoresis effluent disposal system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113402051A (en) * | 2021-04-30 | 2021-09-17 | 付夏阳 | Electrophoresis processing waste liquid clean system |
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