CN208717017U - A kind of advanced treatment system containing fluorescent whitening agent waste water - Google Patents
A kind of advanced treatment system containing fluorescent whitening agent waste water Download PDFInfo
- Publication number
- CN208717017U CN208717017U CN201820942842.2U CN201820942842U CN208717017U CN 208717017 U CN208717017 U CN 208717017U CN 201820942842 U CN201820942842 U CN 201820942842U CN 208717017 U CN208717017 U CN 208717017U
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- Prior art keywords
- waste water
- fluorescent whitening
- whitening agent
- containing fluorescent
- treatment system
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- 239000002351 wastewater Substances 0.000 title claims abstract description 77
- 239000006081 fluorescent whitening agent Substances 0.000 title claims abstract description 43
- 238000004062 sedimentation Methods 0.000 claims abstract description 26
- 238000005189 flocculation Methods 0.000 claims abstract description 25
- 230000016615 flocculation Effects 0.000 claims abstract description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims abstract description 9
- -1 iron ion Chemical class 0.000 claims abstract description 8
- 239000005416 organic matter Substances 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims description 35
- 239000010802 sludge Substances 0.000 claims description 17
- 238000007872 degassing Methods 0.000 claims description 15
- 239000003814 drug Substances 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 6
- 238000005276 aerator Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000008394 flocculating agent Substances 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000005273 aeration Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 238000000034 method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L Iron(II) sulfate Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 239000011790 ferrous sulphate Substances 0.000 description 2
- 235000003891 ferrous sulphate Nutrition 0.000 description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000276438 Gadus morhua Species 0.000 description 1
- 150000001448 anilines Chemical class 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000000903 blocking Effects 0.000 description 1
- 238000011030 bottleneck Methods 0.000 description 1
- 235000012970 cakes Nutrition 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000003197 catalytic Effects 0.000 description 1
- 235000019516 cod Nutrition 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000007850 fluorescent dye Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000813 microbial Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000006385 ozonation reaction Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 230000001376 precipitating Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003219 pyrazolines Chemical class 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007560 sedimentation technique Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical group C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
A kind of advanced treatment system containing fluorescent whitening agent waste water disclosed by the utility model, including passing through the sequentially connected filter device of pipeline, fluidized bed Fenton tower, deaerate pond, flocculation sedimentation tank, ozone-oxidizing device and R/O film filter, filter device is filtered waste water impurity, fluidized bed Fenton tower is used to remove the organic matter in waste water, pond deaerate for carrying out Air Exposure to waste water, flocculation sedimentation tank is used to carry out flocculation sedimentation processing to the iron ion in waste water, ozone-oxidizing device is used to carry out oxidation reaction to waste water, R/O film filter is for being filtered waste water.It is halfway that a kind of advanced treatment system containing fluorescent whitening agent waste water of the utility model solves the problems, such as that existing fluorescent whitening agent waste water after biochemical treatment is still handled, by carrying out advanced treating to the waste water after biochemical treatment, make its emission compliance, and whole system is easy to operate, occupied area is small, operating cost is low, and operational effect is good, and full-automatic degree is high.
Description
Technical field
The utility model belongs to technical field of sewage, and in particular to a kind of depth containing fluorescent whitening agent waste water
Reason system.
Background technique
Fluorescent whitening agent is a kind of fluorescent dye, or is white dye and a kind of organic compound of complexity.It is changed
It closes and contains a large amount of diphenylethylene, phenyl amines, pyrazoline compounds in object, the product is mainly used in washing, print at present
The industries such as dye, papermaking, main purpose are to improve its product quality, and promote the appearance of product.
Fluorescent whitening agent waste water is after biochemical treatment, waste water CODcr200mg/L~300mg/L can be reached, due to warp
After crossing biochemical system processing, the substance of biodegradability is fallen by microbial consumption in waste water, and the total salt content in waste water is reachable
To 15000mg/L~17000mg/L, causing again can not be real to waste water progress biochemical treatment using biochemical processing process
It is existing.
It is fewer to the technical research and development of fluorescent whitening agent wastewater deep treatment process both at home and abroad at present, successfully show
Model case almost without.Fluorescent whitening agent industry is improved for this purpose, how to study fluorescent whitening agent Sewage advanced treatment technology and become
The popularization of the another bottleneck of development, this technology will generate huge social benefit and Environmental Effect in fluorescent whitening agent industry
Benefit.
Utility model content
The purpose of this utility model is to provide a kind of advanced treatment system containing fluorescent whitening agent waste water, solve existing
Some fluorescent whitening agents waste water after biochemical treatment still handles halfway problem.
The technical scheme adopted by the utility model is a kind of advanced treatment system containing fluorescent whitening agent waste water, packet
It includes through the sequentially connected multi-medium filtering device of pipeline, fluidized bed Fenton tower, degassing pond, flocculation sedimentation tank, ozone oxidation dress
It sets and R/O film filter, the multi-medium filtering device is filtered the waste water impurity containing fluorescent whitening agent, described
Fluidized bed Fenton tower is used to remove the organic matter in the waste water containing fluorescent whitening agent, and the degassing pond is used to increase to containing fluorescence
White dose of waste water carries out Air Exposure, and the flocculation sedimentation tank is used to carry out the iron ion in the waste water containing fluorescent whitening agent
Flocculation sedimentation processing, the ozone-oxidizing device are used to carry out oxidation reaction, the R/O film to the waste water containing fluorescent whitening agent
Filter device makes emission compliance for being filtered to the waste water containing fluorescent whitening agent.
The utility model is also characterized by
The multi-medium filtering device is backwash filter.
It further include the collecting pit being connected between the multi-medium filtering device and fluidized bed Fenton tower, the collecting pit is also
It is connected by circulation by return pipe and the multi-medium filtering device.
R/O film filter also passes through return pipe and is connected with the multi-medium filtering device.
The fluidized bed Fenton tower is connected with Fenton medicament addition device.
The degassing pond is connected with aerator.
The flocculation sedimentation tank is connected with flocculating agent feeding device.
The R/O film filter is connected with medicine cleaning device.
The flocculation sedimentation tank and ozone-oxidizing device are connected with sludge concentration tank jointly, and the sludge concentration tank passes through dirt
Dredge pump is connected with filter press, and the sludge concentration tank and filter press pass through return pipe and be connected with the multi-medium filtering device.
The beneficial effects of the utility model are: a kind of advanced treatment system containing fluorescent whitening agent waste water of the utility model
It is halfway to solve the problems, such as that existing fluorescent whitening agent waste water after biochemical treatment is still handled, specifically, have with
Lower advantage:
(1) it uses line with rubber anti-corrosion in multi-medium filtering device, can be effectively solved fluorescent whitening agent waste water to filtering
The influence of the carbon steel material of device prevents iron filings from blocking pipeline, that is, increases the service life of system, and improve the fortune of system
Row effect;
(2) Fenton technology uses fluidized bed Fenton tower, can effectively destroy the organic matter in waste water, play purification of waste water
Purpose;And dosage sour in waste water can be effectively reduced using fluidized bed Fenton's reaction tower, make ferrous sulfate and hydrogen peroxide
Catalytic oxidation is carried out under different ph values, improves the service efficiency of medicament, reduces the operating cost of waste water;
(3) iron ion in waste water is removed using flocculation sedimentation technique, reduces iron ion to aftertreatment systems
Influence;
(4) using remaining ferrous ion during the algae substances and Fenton in ozonation technology removal waste water, it is
Subsequent film process provides good condition;
(5) R/O film process is used, can effectively ensure discharged wastewater met the national standard, and keeps waste water operation emission effect steady
It is fixed;
(6) whole system has easy to operate, and occupied area is small, and operating cost is low, and operational effect is good, and full-automatic degree is high
The advantages that;
It (7), being capable of effective processed waste water COD after and being handled by the system depthcr≤ 50mg/L, NH3-N≤
5mg/L。
Detailed description of the invention
Fig. 1 is a kind of structural block diagram of the advanced treatment system containing fluorescent whitening agent waste water of the utility model.
In figure, 1. multi-medium filtering devices, 2. collecting pits, 3. fluidized bed Fenton towers, 4. degassing ponds, 5. flocculation sedimentation tanks,
6. ozone-oxidizing device, 7.R/O film filter, 8. sludge concentration tanks, 9. plate and frame filter press, 10. Fenton medicine throwing devices,
11. aerator, 12. flocculating agent feeding devices, 13. medicine cleaning devices.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
The structure of advanced treatment system containing fluorescent whitening agent waste water provided by the utility model a kind of as shown in Figure 1,
Including multi-medium filtering device 1, collecting pit 2, fluidized bed Fenton tower 3, degassing pond 4, flocculation sedimentation tank 5, ozone-oxidizing device 6,
R/O film filter 7;1 water outlet of multi-medium filtering device is connected with 2 water inlet of collecting pit, collecting pit 2 also by return pipe with
Multi-medium filtering device 1 is connected by circulation, and 2 water outlet of collecting pit is connected with 3 water inlet of fluidized bed Fenton tower, fluidized bed Fenton tower 3
Water outlet is connected with degassing 4 water inlet of pond, and degassing 4 water outlet of pond is connected with 5 water inlet of flocculation sedimentation tank, and flocculation sedimentation tank 5 goes out
The mouth of a river is connected with 6 water inlet of ozone-oxidizing device, and 6 water outlet of ozone-oxidizing device is connected with 7 water inlet of R/O film filter;
Above-mentioned connection type used is pipeline connection.
1 pair of the multi-medium filtering device waste water impurity after biochemical treatment containing fluorescent whitening agent is filtered, fluidisation
Bed Fenton tower 3 is used to carry out Air Exposure to waste water for removing the organic matter in waste water, degassing pond 4, and flocculation sedimentation tank 5 is used for
Flocculation sedimentation processing is carried out to the iron ion in waste water, ozone-oxidizing device 6 is used to carry out oxidation reaction, R/O film mistake to waste water
Filter device 7 makes its emission compliance for being filtered to waste water.
Preferably, multi-medium filtering device 1 is backwash filter.And in the present embodiment, using filtering tank, and
The tank inner surface of filtering tank posts line with rubber anti-corrosion.
Moreover, the advanced treatment system of the utility model also adds Fenton medicament addition device 10 in fluidized bed Fenton tower 3,
The agent outlet of Fenton medicament addition device 10 is connected with the medicament entrance of fluidized bed Fenton tower 3.Aeration dress is equipped in degassing pond 4
11 are set, the outlet of aerator 11 is connected with degassing 4 entrance of pond.Flocculation sedimentation tank 5 adds flocculating agent feeding device 12, and flocculant is thrown
The agent outlet of feeder apparatus 12 is connected with the medicament entrance of flocculation sedimentation tank 5.R/O film filter 7 adds medicine cleaning device 13, benefit
Medication cleaning device 13 cleans R/O.
R/O film filter 7 is also connected by return pipe with multi-medium filtering device 1, is made after R/O film filtration treatment
Concentrate recirculation at most medium filter device front end, progress is being handled, through water then qualified discharge.
Flocculation sedimentation tank 5 and ozone-oxidizing device 6 are connected with sludge concentration tank 8 jointly, and sludge concentration tank 8 passes through sludge pump
It is connected with filter press, sludge concentration tank 8 and filter press pass through return pipe and be connected with multi-medium filtering device 1, pressing filtering liquid and dirt
The supernatant of mud thickener 8 is back to 1 front end of multi-medium filtering device, is reprocessed.The preferred plate and frame filter press 9 of filter press,
Sludge in treatment process is carried out filters pressing by plate and frame filter press 9, and filter cake is carried out legal processes.
In use, the waste water containing fluorescent whitening agent after biochemical treatment is promoted in filtering tank by submersible sewage pump, filter
Tank flow velocity is 7.5m3/m2H, filtering tank water outlet flow into collecting pit 2, and waste water is transported to fluidized bed Fenton by collecting pit 2
In tower 3;Adjusting wastewater pH is 3.5, and the hydrogen peroxide of 1200ppm and the ferrous sulfate of 850ppm, waste water upstream speed control is added
In 1.1m/s;Waste water gravity flow enters degassing pond 4 after reaction, and degassing pond 4 is de-gassed waste water by the way of aeration, leads to
Cross aerator 11 and adjust gas: the molar ratio of water is 100:1, adjusts wastewater pH to 7.5 inflows using sodium hydroxide after degassing
In flocculation sedimentation tank 5, the anion PAM of 10ppm is added in waste water using flocculating agent feeding device 12, to the iron ion in waste water
Carry out flocculation sedimentation processing;Then passing through flocculation sedimentation goes the waste water of iron ions to enter in ozone-oxidizing device 6, using ozone
Generator carries out aerating oxidation reaction, aeration quantity 35L/min to waste water, and time of ozone oxidation is 45min, at ozone oxidation
Waste water after reason enters progress R/O film filtration treatment in R/O film filter 7, and operating pressure is during film process
1.70MPa, wastewater pH 7.5, reverse osmosis rear concentrated water and the water volume ratio through water are 2.6:7.4, and the concentrated water of generation carries out
It is back to filtering tank leading portion, is mixed with the waste water after biochemical treatment, is then repeated the above steps.Reverse osmosis permeate is up to standard
Outlet or reuse.And in entire treatment process, flocculation sedimentation tank 5 and 6 spoil disposal of ozone-oxidizing device are dirty to sludge concentration tank 8
Precipitating sludge in mud thickener 8 squeezes into plate and frame filter press 9 by sludge pump and carries out filters pressing, pressing filtering liquid and sludge concentration tank 8
Supernatant is back to 1 front end of multi-medium filtering device and is reprocessed, and filters pressing treated the legal disposition of mud cake, filtrate is back to
Filtering tank front end is handled again.
By the fluorescent whitening agent advanced waste treatment system of the utility model, treated that effluent index is as follows: CODcrFor
40~50mg/L, coloration are 30~40 times, and NH3-N is 3~4mg/L, and pH is 7.0~7.5.
Claims (9)
1. a kind of advanced treatment system containing fluorescent whitening agent waste water, which is characterized in that including sequentially connected by pipeline
Multi-medium filtering device, fluidized bed Fenton tower, degassing pond, flocculation sedimentation tank, ozone-oxidizing device and R/O film filter,
The multi-medium filtering device is filtered the waste water impurity containing fluorescent whitening agent, and the fluidized bed Fenton tower is for removing
Organic matter in waste water containing fluorescent whitening agent, the degassing pond is for carrying out at aeration the waste water containing fluorescent whitening agent
Reason, the flocculation sedimentation tank is used to carry out flocculation sedimentation processing to the iron ion in the waste water containing fluorescent whitening agent, described smelly
Oxygen oxidation unit is used to carry out the waste water containing fluorescent whitening agent oxidation reaction, and the R/O film filter is used for containing
The waste water of fluorescent whitening agent, which is filtered, makes emission compliance.
2. a kind of advanced treatment system containing fluorescent whitening agent waste water as described in claim 1, which is characterized in that described more
Medium filter device is backwash filter.
3. a kind of advanced treatment system containing fluorescent whitening agent waste water as claimed in claim 1 or 2, which is characterized in that also
Including the collecting pit being connected between the multi-medium filtering device and fluidized bed Fenton tower, the collecting pit also passes through return pipe
It is connected by circulation with the multi-medium filtering device.
4. a kind of advanced treatment system containing fluorescent whitening agent waste water as claimed in claim 1 or 2, which is characterized in that R/O
Film filter also passes through return pipe and is connected with the multi-medium filtering device.
5. a kind of advanced treatment system containing fluorescent whitening agent waste water as described in claim 1, which is characterized in that the stream
Change bed Fenton tower and is connected with Fenton medicament addition device.
6. a kind of advanced treatment system containing fluorescent whitening agent waste water as described in claim 1, which is characterized in that described de-
Gas pond is connected with aerator.
7. a kind of advanced treatment system containing fluorescent whitening agent waste water as described in claim 1, which is characterized in that the wadding
Solidifying sedimentation basin is connected with flocculating agent feeding device.
8. a kind of advanced treatment system containing fluorescent whitening agent waste water as described in claim 1, which is characterized in that the R/
O film filter is connected with medicine cleaning device.
9. a kind of advanced treatment system containing fluorescent whitening agent waste water as described in claim 1, which is characterized in that the wadding
Solidifying sedimentation basin and ozone-oxidizing device are connected with sludge concentration tank jointly, and the sludge concentration tank is connected with filters pressing by sludge pump
Machine, the sludge concentration tank and filter press pass through return pipe and are connected with the multi-medium filtering device.
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CN201820942842.2U CN208717017U (en) | 2018-06-19 | 2018-06-19 | A kind of advanced treatment system containing fluorescent whitening agent waste water |
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CN201820942842.2U CN208717017U (en) | 2018-06-19 | 2018-06-19 | A kind of advanced treatment system containing fluorescent whitening agent waste water |
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Publication Number | Publication Date |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112551744A (en) * | 2020-11-20 | 2021-03-26 | 联合环境技术(天津)有限公司 | Method for treating wastewater by utilizing acidic coagulated Fenton oxidation |
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2018
- 2018-06-19 CN CN201820942842.2U patent/CN208717017U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112551744A (en) * | 2020-11-20 | 2021-03-26 | 联合环境技术(天津)有限公司 | Method for treating wastewater by utilizing acidic coagulated Fenton oxidation |
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