CN213475693U - Bromine-containing organic wastewater treatment system - Google Patents
Bromine-containing organic wastewater treatment system Download PDFInfo
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- CN213475693U CN213475693U CN202021097639.3U CN202021097639U CN213475693U CN 213475693 U CN213475693 U CN 213475693U CN 202021097639 U CN202021097639 U CN 202021097639U CN 213475693 U CN213475693 U CN 213475693U
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- tank
- pond
- bromine
- reaction tower
- ozone
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- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 title claims abstract description 19
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910052794 bromium Inorganic materials 0.000 title claims abstract description 19
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 18
- 239000002351 wastewater Substances 0.000 claims abstract description 39
- 239000010802 sludge Substances 0.000 claims abstract description 31
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 230000003647 oxidation Effects 0.000 claims abstract description 14
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 14
- 238000004062 sedimentation Methods 0.000 claims abstract description 13
- 230000020477 pH reduction Effects 0.000 claims abstract description 9
- 230000007062 hydrolysis Effects 0.000 claims abstract description 6
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 22
- 239000010865 sewage Substances 0.000 claims description 19
- 238000005273 aeration Methods 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 8
- 239000005416 organic matter Substances 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 244000005700 microbiome Species 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000012510 hollow fiber Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 241000894006 Bacteria Species 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 239000006228 supernatant Substances 0.000 description 4
- 241001148470 aerobic bacillus Species 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 230000003301 hydrolyzing effect Effects 0.000 description 3
- 230000004060 metabolic process Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000004912 1,5-cyclooctadiene Substances 0.000 description 1
- VEORPZCZECFIRK-UHFFFAOYSA-N 3,3',5,5'-tetrabromobisphenol A Chemical compound C=1C(Br)=C(O)C(Br)=CC=1C(C)(C)C1=CC(Br)=C(O)C(Br)=C1 VEORPZCZECFIRK-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Treatment Of Water By Oxidation Or Reduction (AREA)
- Water Treatment By Sorption (AREA)
Abstract
A bromine-containing organic wastewater treatment system belongs to the technical field of wastewater treatment service. The anaerobic tank and the aerobic tank are arranged, the ozone reaction tower is arranged between the biochemical anaerobic tank and the aerobic tank, partial biochemical organic matters in the wastewater are guaranteed to preferentially perform hydrolysis acidification reaction, a sedimentation tank is further arranged between the anaerobic tank and the ozone reaction tower, and a buffer tank is further arranged between the ozone reaction tower and the aerobic tank. The ozone biochar reaction tower is arranged between the biochemical anaerobic tank and the aerobic tank, so that part of organic matters which can be biochemically treated in the wastewater are preferentially subjected to hydrolysis acidification reaction, and the rest macromolecular organic matters which are difficult to biochemically treat are treated by aerobic active bacteria through ozone oxidation, so that a large amount of ozone consumption is saved, a perfect sludge backflow and treatment system is provided, the concentration required by sludge treatment wastewater in each biochemical stage is ensured, and secondary pollution is not generated.
Description
Technical Field
The utility model relates to a bromine-containing organic wastewater treatment system, which belongs to the technical field of wastewater treatment service.
Background
Can produce the organic waste water of a large amount of high concentration in tetrabromobisphenol A's the production process, this kind of waste water contains a large amount of difficult degradation organic matters, and the most bromine waste water treatment process of china falls behind at present, and equipment is ageing, and the treatment effeciency is low, can't satisfy the more strict new sewage discharge standard of national or local institute, and the processing that contains bromine waste water becomes a problem that needs to solve urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems that the water treatment process of the bromine-containing wastewater falls behind, the equipment is aged, the treatment efficiency is low, and the national or local establishment of more strict new sewage discharge standard can not be satisfied.
The utility model provides a contain bromine organic wastewater treatment system, includes anaerobism pond and good oxygen pond, the ozone reaction tower is installed between biochemical anaerobism pond and good oxygen pond, but ensures that the biochemical organic matter in the waste water preferentially carries out hydrolysis acidification reaction, anaerobism pond and ozone reaction tower between still be equipped with the sedimentation tank, ozone reaction tower and good oxygen pond between still be equipped with the buffer pool.
The utility model discloses install ozone biological carbon reaction tower between biochemical anaerobism pond and good oxygen, but guarantee among the waste water partial biochemical organic matter preferentially carry out hydrolysis acidification reaction, but the difficult biochemical organic matter of surplus macromolecule degrades into biochemical degradation's micromolecule organic matter through ozone oxidation, being handled through good oxygen active bacteria, can handle organic matter content in the waste water to minimum, finally through the adsorption of active carbon in the active carbon tower and the biological metabolism who grows the good oxygen bacterium on active carbon surface, adsorb the pollutant in the degradation sewage, make waste water treatment up to standard. Saves a large amount of ozone consumption, has a perfect sludge backflow and treatment system, ensures the concentration required by sludge treatment wastewater in each biochemical stage, and does not generate secondary pollution.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the material flow direction of the present invention.
Detailed Description
The present invention is not limited by the following embodiments, and can be implemented according to the technical solution and the practical situation of the present invention.
As shown in fig. 1 and 2, the present invention comprises the following components:
an industrial sewage pipeline 1, a domestic sewage pipeline 2, a first regulating tank 3, a second regulating tank 4, a first anaerobic tank 5, a second anaerobic tank 6, a sedimentation tank 7, an ozone tower lift pump 8, an ozone reaction tower 9, a buffer tank 10, a first aerobic tank 11, a second aerobic tank 12, an MBR tank 13, an MBR membrane water outlet pump 14, a first drainage tank 15, a biological carbon tower lift pump 16, a biological carbon reaction tower 17, a second drainage tank 18, a fan 19, an aeration pipeline 20, an ozone pipeline 21, a drainage pipeline 22, a sludge concentration tank 23, a supernatant return pipeline 24 and a sludge pipeline 25.
Wherein, liquid level transmitter is all installed to equalizing basin 3, No. two equalizing basins 4, sedimentation tank 7, MBR pond 13, a drainage pond 15, and thermometer, drainage pond 15 and No. two drainage ponds 18 installation overflow line are installed to No. two equalizing basins 4, an anaerobism pond 5, No. two anaerobism ponds 6, MBR pond 13 installation thermometers.
The front end of a domestic sewage pipeline 2 is provided with two stages of grids, namely a coarse grid and a fine grid, which intercept suspended matters and floating matters in the domestic sewage, the bottom of a first regulating tank 3 is provided with a stainless steel perforated aeration pipeline, industrial sewage and domestic sewage in the tank are mixed through aeration, a second regulating tank 4 is provided with a steam heating system to ensure that the water inlet temperature of a biochemical system reaches the temperature required by microorganisms, the bottoms of a first anaerobic tank 5 and a second anaerobic tank 6 are provided with a water distribution system and a stirring device, the middle layer is provided with elastic fillers and is provided with a sludge reflux system, the bottoms of a first contact oxidation tank 11 and a second contact oxidation tank 12 are provided with aeration systems, the middle layer is provided with combined fillers, the bottom of an ozone reaction tower is provided with a microporous aeration disc, the bottom of a sedimentation tank 7 is provided with a sludge discharge pipeline, the MBR tank 13 is internally provided with a hollow fiber membrane, the bottom is provided with, Cobblestones and granular activated carbon are sequentially filled from the middle layer to the upper layer, and activated sludge is cultured on the activated carbon.
The module is a bromine-containing wastewater treatment system and is applied to a water treatment system. Bromine-containing wastewater and domestic sewage respectively enter a first regulating reservoir 3 through an industrial sewage pipeline 1 and a domestic sewage pipeline 2, enter a second regulating reservoir 4 after being fully mixed under the aeration action of a stainless steel perforated aeration pipeline at the bottom of the first regulating reservoir 3, the wastewater in the second regulating reservoir 4 is heated to 35-38 ℃ through a steam heating system, then is pumped into a water distribution system of a first anaerobic reservoir 5 through a lift pump, overflows to a water distribution system of a second anaerobic reservoir 6 through the first anaerobic reservoir 5, and is fully mixed with anaerobic activated sludge in the reservoirs through stirring devices at the bottoms of the two anaerobic reservoirs to carry out hydrolytic acidification reaction, so that most organic matters in the wastewater are degraded, and macromolecular organic matters are fully broken chains and decomposed by anaerobic activated microorganisms, namely hydrolytic acidification is carried out to improve the biodegradability of the wastewater; the wastewater after hydrolytic acidification enters a sedimentation tank 7, part of sludge overflowing along with the wastewater is precipitated at the bottom of the sedimentation tank 7, and bottom sludge periodically flows back to the anaerobic tank through a bottom sludge pipeline to ensure the sludge concentration in the anaerobic tank and prevent sludge loss; the supernatant is lifted to an ozone reaction tower 9 by an ozone tower lifting pump 8, part of degradable organic matters are oxidized and degraded by ozone oxidation of the wastewater, and the rest macromolecular organic matters are broken into biochemical micromolecular organic matters by ozone oxidation, so that the biodegradability of the subsequent wastewater is improved; the wastewater after ozone oxidation overflows into a buffer tank 10, and ozone in the wastewater is fully dispersed under the retention action of the buffer tank 10; the wastewater overflows into a first aerobic tank 11 through a buffer tank 10, overflows from the first aerobic tank 11 to a second aerobic tank 12, and organic matters in the wastewater after being subjected to anaerobic oxidation are greatly degraded by aerobic active microorganisms; the waste water overflows to an MBR tank 13 through an aerobic tank 12, and the waste water is filtered and discharged to a first drainage tank 15 through an MBR membrane by an MBR membrane water outlet pump.
Wherein: if the biochemical wastewater reaches the new wastewater discharge standard, the wastewater can be directly overflowed from the first drainage pool 15 to the second drainage pool 18 through the drainage pipeline 22 to reach the standard for discharge; if the wastewater after biochemical treatment does not reach the standard, the wastewater is lifted to a biological carbon reaction tower 17 by a biological carbon tower lifting pump 16 from a first drainage pool 15, finally pollutants in the wastewater are adsorbed and degraded through the adsorption of active carbon in the active carbon tower and the biological metabolism of aerobic bacteria growing on the surface of the active carbon, so that the wastewater treatment reaches the standard, and the wastewater reaching the standard enters a second drainage pool 18 to be drained.
Sludge return system in biochemical process: sludge at the bottom of the sedimentation tank 7 is periodically returned to the first anaerobic tank 5 and the second anaerobic tank 6 by a sludge pump at the bottom of the sedimentation tank so as to ensure the sludge concentration of the anaerobic tanks, residual sludge is directly discharged into the sludge concentration tank 23 to be static, and supernatant of the sludge concentration tank 23 is returned to the first regulating tank 3 through a supernatant return pipeline 24; and a sludge pipeline is arranged at the bottom of the MBR tank 13, sludge generated by the MBR tank 13 flows back to the first aerobic tank 11 through a sludge pipeline 25, the sludge concentration of the aerobic tank is ensured, and residual sludge is directly discharged into a sludge concentration tank 23 for treatment.
The utility model has the advantages that:
(1) the method has the advantages of high sewage treatment efficiency, strong impact load resistance, strong capability of removing nitrogen, phosphorus and COD, and capability of solving the problem of standard discharge of the bromine-containing wastewater difficult to treat, thereby being beneficial to environmental protection;
(2) the ozone biochar reaction tower is arranged between a biochemical anaerobic pool and aerobic bacteria, the preferential hydrolysis acidification reaction of part of organic matters which can be biochemically generated in the wastewater is ensured, the rest organic matters which are difficult to biochemically generate macromolecules are degraded into micromolecular organic matters which can be biochemically degraded through the ozone oxidation effect, the organic matters in the wastewater can be treated to the lowest content through aerobic active bacteria, finally, pollutants in the wastewater are adsorbed and degraded through the adsorption of the active carbon in the active carbon tower and the biological metabolism of the aerobic bacteria growing on the surface of the active carbon, and the wastewater treatment reaches the standard. Saves a large amount of ozone consumption and does not produce secondary pollution.
(3) The system has a perfect sludge backflow and treatment system, ensures the concentration required by sludge treatment wastewater in each biochemical stage, and does not generate secondary pollution;
(4) the adoption of ozone oxidation treatment can also ensure the chroma of the bromine-containing wastewater and can meet the more strict new sewage discharge standard established by the country or the place.
Claims (6)
1. A bromine-containing organic wastewater treatment system is characterized in that: including anaerobism pond and aerobic tank, but ozone reaction tower (9) are installed between anaerobism pond and aerobic tank, but ensure that partial biochemical organic matter in the waste water preferentially carries out hydrolysis acidification reaction, anaerobism pond and ozone reaction tower (9) between still be equipped with sedimentation tank (7), ozone reaction tower (9) and aerobic tank between still be equipped with buffer pool (10).
2. The bromine-containing organic wastewater treatment system according to claim 1, wherein: still include equalizing basin (3), No. two equalizing basins (4), MBR pond (13), a drainage pond (15), No. two equalizing basins (4), No. two drainage ponds (18), wherein an equalizing basin (3), No. two equalizing basins (4), sedimentation tank (7), MBR pond (13), a drainage pond (15) all install the liquid level changer, No. two equalizing basins (4), an anaerobism pond (5), No. two anaerobism pond (6), MBR pond (13) installation thermometer, drainage pond (15) and No. two drainage ponds (18) installation overflow pipeline.
3. The bromine-containing organic wastewater treatment system according to claim 2, wherein: no. one equalizing basin (3) bottom installation stainless steel perforation aeration pipeline, through industrial sewage and domestic sewage in the aeration action mixing tank, No. two equalizing basins (4) are equipped with steam heating system, ensure that biochemical system inlet water temperature reaches the required temperature of microorganism, No. one anaerobism pond (5) and No. two anaerobism pond (6) bottoms are equipped with water distribution system and agitating unit, middle level installation elastic filler, and install mud return system, sedimentation tank (7) bottom installation mud discharge pipeline, install hollow fiber membrane in MBR pond (13), bottom installation aeration system.
4. The bromine-containing organic wastewater treatment system according to claim 2, wherein: a first contact oxidation pond (11) and a second contact oxidation pond (12) are arranged between the sedimentation tank (7) and the MBR tank (13), the bottoms of the first contact oxidation pond (11) and the second contact oxidation pond (12) are provided with an aeration system, the middle layer is provided with a combined filler, and the bottom of the ozone reaction tower is provided with a microporous aeration disc.
5. The bromine-containing organic wastewater treatment system according to claim 2, wherein: the device is characterized by further comprising a biochar reaction tower (17) arranged on an aeration pipeline (20) connected with the first drainage pool (15) and the first regulating pool (3), wherein a water distribution pipe and an aeration disc are installed at the bottom of the biochar reaction tower (17), cobblestones and granular activated carbon are sequentially filled in the middle layer to the upper layer, and activated sludge is cultured on the activated carbon.
6. The bromine-containing organic wastewater treatment system according to claim 2 or 3, wherein: bromine-containing wastewater and domestic sewage respectively enter a first regulating reservoir (3) through an industrial sewage pipeline (1) and a domestic sewage pipeline (2), are fully mixed under the aeration action of a stainless steel perforated aeration pipeline at the bottom of the first regulating reservoir (3), and then enter a second regulating reservoir (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021097639.3U CN213475693U (en) | 2020-06-15 | 2020-06-15 | Bromine-containing organic wastewater treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021097639.3U CN213475693U (en) | 2020-06-15 | 2020-06-15 | Bromine-containing organic wastewater treatment system |
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| CN213475693U true CN213475693U (en) | 2021-06-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111517592A (en) * | 2020-06-15 | 2020-08-11 | 天津长芦汉沽盐场有限责任公司 | Bromine-containing organic wastewater treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111517592A (en) * | 2020-06-15 | 2020-08-11 | 天津长芦汉沽盐场有限责任公司 | Bromine-containing organic wastewater treatment system |
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