CN210595564U - Efficient treatment system for paint spraying wastewater - Google Patents
Efficient treatment system for paint spraying wastewater Download PDFInfo
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- CN210595564U CN210595564U CN201920947397.3U CN201920947397U CN210595564U CN 210595564 U CN210595564 U CN 210595564U CN 201920947397 U CN201920947397 U CN 201920947397U CN 210595564 U CN210595564 U CN 210595564U
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Abstract
The utility model discloses a high-efficient processing system for spraying paint waste water, including oil removal equalizing basin, air supporting device, oxidation sedimentation tank, outer pond, sludge impoundment, plate and frame pressure filter and charge system of arranging, be equipped with the water pump in the oil removal equalizing basin, the oil removal equalizing basin passes through the water pump and is connected with the air supporting device, the air supporting device adopts the pipe connection with oxidation sedimentation tank, and oxidation sedimentation tank adopts the pipe connection with outer pond of arranging, charge system is connected with air supporting device and oxidation sedimentation tank respectively, and charge system includes dosing pump and dosing bucket, is equipped with PAM, ferrous sulfate, acid, alkali and hydrogen peroxide solution in the dosing bucket, through above-mentioned setting, can carry out purification treatment with the waste water that produces in spraying paint, and its waste water after purifying can reach the standard of discharge to reach standard, and its purifying effect is good, and the treatment effeciency is high.
Description
Technical Field
The utility model relates to a high-efficient processing system for spraying paint waste water.
Background
In the manufacturing process of automobiles and accessories thereof, part of accessories need to be painted, a large amount of waste gas such as butyl acetate, propylene glycol methyl ether acetate, n-butyl alcohol, isobutyl alcohol and paint dust particles can be generated in the painting process, the waste gas can be purified by a water curtain device and an alkali absorption device, but a large amount of waste water can be generated while the waste gas is purified, the waste water contains COD, ammonia nitrogen, SS, petroleum and other substances, and the waste water can damage the surrounding ecological environment if directly discharged, so the waste water needs to be purified to reach the standard of standard discharge.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a purifying effect is good, and the treatment effeciency is high, can carry out purification treatment with the waste water that produces in spraying paint, and its waste water after purifying can reach the standard of discharge to reach standard, has the practicality and uses the high-efficient processing system who is used for the waste water that sprays paint of extensive nature.
In order to solve the above problem, the utility model adopts the following technical scheme:
the utility model provides a high-efficient processing system for waste water sprays paint, includes oil removal equalizing basin, air supporting device, oxidation sedimentation tank, outer pond, sludge impoundment, plate and frame filter press and charge system, is equipped with the water pump in the oil removal equalizing basin, and the oil removal equalizing basin passes through the water pump to be connected with the air supporting device, the air supporting device adopts the pipe connection with the oxidation sedimentation tank, and the oxidation sedimentation tank adopts the pipe connection with outer pond, charge system is connected with air supporting device and oxidation sedimentation tank respectively, and charge system is equipped with PAM, ferrous sulfate, acid, alkali and hydrogen peroxide solution including dosing pump and dosing barrel in the dosing barrel, the air supporting device includes dissolved air tank, dissolved air water pump, scrapes mud equipment, dissolved air releaser, air compressor machine, PH instrument.
The utility model discloses an adopt a series of settings such as oil removal equalizing basin, air supporting device, oxidation sedimentation tank, outer pond, sludge impoundment, plate and frame filter press and charge system for the COD that produces in the waste water that sprays paint, ammonia nitrogen, SS, petroleum class can obtain quick purification, makes the waste water after the purification can reach the standard of discharge to reach standard, has practicality and use universality.
Preferably, the air flotation device and the oxidation tank are connected with a sludge tank, a sludge pump is arranged in the sludge tank, and the sludge tank is connected with the plate-and-frame filter press through the sludge pump.
This setting for during the precipitate that produces can discharge into the sludge impoundment fast in air supporting device and the oxidation pond, press dry mud through plate and frame filter press simultaneously, carry out safety processing, the centralized processing of the mud of being convenient for to dry mud at last.
Preferably, a stainless steel grating and an oil separating wall are arranged in the oil separating adjusting tank.
This setting, large granule impurity and suspension lacquer sediment in can effectual getting rid of the waste water.
Preferably, PAM and ferrous sulfate are added into the air flotation device.
This setting for suspended pollutant and the paint slag class in the waste water are attached to the bubble surface, bring to the surface of water again, accelerate the sediment of organic matter simultaneously, have accelerated the purification rate.
Preferably, PAM, ferrous sulfate, acid, alkali and hydrogen peroxide are added into the oxidation sedimentation tank.
This setting makes the organic matter oxidation in the waste water decompose through the effect of strong oxidation, condenses a large amount of organic matters simultaneously and gets rid of.
Preferably, the plate-and-frame filter press is connected with the oil separation regulating tank by a pipeline.
This setting for the filtrating that produces among the plate and frame filter press pressure dry sludge process can flow back, has realized purifying once more in filtrating.
The utility model has the advantages that: purifying effect is good, and the treatment effeciency is high, can carry out purification treatment with the waste water that produces in spraying paint, and its waste water after purifying can reach the standard of discharge to reach standard, has practicality and the universality of use.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the scope of the present invention is not limited thereto.
FIG. 1 is a schematic view of the structure principle of the present invention;
wherein, 1, an oil separation adjusting tank, 2, an air floatation device, 3, an oxidation sedimentation tank, 4, an external discharge tank, 5, a sludge tank, 6, a plate-and-frame filter press and 7, a medicine adding system
Detailed Description
Referring to fig. 1, the efficient treatment system for paint spraying wastewater comprises an oil separation adjusting tank 1, an air flotation device 2, an oxidation sedimentation tank 3, an outer discharge tank 4, a sludge tank 5, a plate-and-frame filter press 6 and a dosing system 7, wherein a water pump is arranged in the oil separation adjusting tank 1, the oil separation adjusting tank 1 is connected with the air flotation device 2 through the water pump, the air flotation device 2 is connected with the oxidation sedimentation tank 3 through a pipeline, the oxidation sedimentation tank 3 is connected with the outer discharge tank 4 through a pipeline, the dosing system 7 is respectively connected with the air flotation device 2 and the oxidation sedimentation tank 3, the dosing system 7 comprises a dosing pump and a dosing barrel, PAM, ferrous sulfate, acid, alkali and hydrogen peroxide are arranged in the dosing barrel, and the air flotation device 2 comprises a dissolved air tank, a dissolved air water pump, a mud scraping device, a dissolved air releaser, an air compressor and a PH.
The air flotation device 2 and the oxidation pond 3 are connected with a sludge pond 5, a sludge pump is arranged in the sludge pond 5, and the sludge pond 5 is connected with a plate-and-frame filter press 6 through the sludge pump.
And a stainless steel grating and an oil separation wall are arranged in the oil separation regulating tank 1.
PAM and ferrous sulfate are added into the air floatation device 2.
PAM, ferrous sulfate, acid, alkali and hydrogen peroxide are added into the oxidation sedimentation tank 3.
And the plate-and-frame filter press 6 is connected with the oil separation regulating tank 1 by adopting a pipeline.
The utility model discloses during the use, at first through water curtain device and alkali absorbing device with the paint dust granule that produces in spraying paint, waste gas such as butyl acetate, propylene glycol methyl ether acetate, n-butanol, isobutanol, the granule carries out purification treatment, can produce a large amount of waste water in the process of spraying and alkali absorption, contain COD, ammonia nitrogen, SS, material such as petroleum in the waste water, collect paint mist absorption waste water and waste gas treatment waste water through the pipeline and arrange to the oil removal equalizing basin after, through stainless steel grid and the oil removal wall in the oil removal equalizing basin, get rid of the large granule impurity in the waste water and suspension paint sediment; pumping the regulated wastewater to an air flotation device by using a pump, simultaneously adding ferrous sulfate and PAM agents into the air flotation device, enabling suspended pollutants and paint slag in the wastewater to be attached to the surfaces of bubbles through the generated micro bubbles, then bringing the bubbles to the water surface, and scraping sludge to a sludge tank through sludge scraping equipment; the air-floated effluent flows to an oxidation sedimentation tank automatically and is wastedAdding hydrogen peroxide and ferrous sulfate while water enters, wherein the reaction time is more than 1 hour; an oxidant with strong oxidizing power formed by mixing hydrogen peroxide and Fe2+, and Fe2+ is used as H2O2The catalyst generates OH with strong oxidation electric property and high reaction activity, hydroxyl radicals generate organic radicals with refractory organic matters in aqueous solution to destroy the structure of the organic radicals, the OH is finally oxidized and decomposed, meanwhile Fe2+ is oxidized into Fe3+ to generate coagulating sedimentation, a large amount of organic matters are coagulated and removed, alkali is added after the oxidation is completed, the pH value is adjusted to 7-8, PAM reagent is added to ensure that wastewater and the reagent are fully reacted and then precipitated in a tank, the precipitated supernatant is discharged to an external discharge tank, an external discharge pump is arranged outside the external discharge tank, the qualified wastewater after the treatment is pumped to a sewage treatment plant through the external discharge pump, the precipitated sludge after the water discharge is pumped to a plate-and-frame filter press by using a sludge pump to carry out solid-liquid separation, the filtrate is discharged to an oil separation adjusting tank, and the dry sludge is safely treated according to the requirements of local environmental; meanwhile, domestic sewage generated in enterprises can be directly discharged into an outward discharge tank for direct treatment.
The utility model discloses an what the air supporting device adopted is the full-automatic air supporting machine of advanced integration, contains mechanical stirring device, automatic mud system, adjustable play water liquid level, water circulating system, dissolves gas system, sludge impoundment etc. than traditional air supporting machine easy operation, degree of automation height, operation stability, area are little, advantages such as elegant appearance.
The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (3)
1. The utility model provides a high-efficient processing system for waste water sprays paint, includes oil removal equalizing basin, air supporting device, oxidation sedimentation tank, arranges outward pond, sludge impoundment, plate and frame filter press and charge system, is equipped with the water pump in the oil removal equalizing basin, and the oil removal equalizing basin passes through the water pump to be connected with the air supporting device, the air supporting device adopts the pipe connection with the oxidation sedimentation tank, and the oxidation sedimentation tank adopts pipe connection, its characterized in that with outer pond: the charge system is connected with air supporting device and oxidation sedimentation tank respectively, and the charge system is equipped with PAM, ferrous sulfate, acid, alkali and hydrogen peroxide solution including dosing pump and dosing bucket in the dosing bucket, the air supporting device is including dissolving the gas pitcher, dissolving the gas water pump, scraping mud equipment, dissolving gas releaser, air compressor machine, PH instrument, be equipped with stainless steel grid and oil separation wall in the oil separation equalizing basin, it has PAM, ferrous sulfate to add in the air supporting device, it has PAM, ferrous sulfate, acid, alkali and hydrogen peroxide solution to add in the oxidation sedimentation tank.
2. The high efficiency treatment system for painting waste water according to claim 1, wherein: the air flotation device and the oxidation tank are connected with a sludge tank, a sludge pump is arranged in the sludge tank, and the sludge tank is connected with a plate-and-frame filter press through the sludge pump.
3. The high efficiency treatment system for painting waste water according to claim 1, wherein: and the plate-and-frame filter press is connected with the oil separation regulating tank by adopting a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920947397.3U CN210595564U (en) | 2019-06-24 | 2019-06-24 | Efficient treatment system for paint spraying wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920947397.3U CN210595564U (en) | 2019-06-24 | 2019-06-24 | Efficient treatment system for paint spraying wastewater |
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| Publication Number | Publication Date |
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| CN210595564U true CN210595564U (en) | 2020-05-22 |
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| CN201920947397.3U Active CN210595564U (en) | 2019-06-24 | 2019-06-24 | Efficient treatment system for paint spraying wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115180755A (en) * | 2022-05-11 | 2022-10-14 | 南京宇越水性涂料技术有限公司 | Waste gas and waste liquid treatment system in vehicle spraying process |
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2019
- 2019-06-24 CN CN201920947397.3U patent/CN210595564U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115180755A (en) * | 2022-05-11 | 2022-10-14 | 南京宇越水性涂料技术有限公司 | Waste gas and waste liquid treatment system in vehicle spraying process |
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