CN210065450U - Organic wastewater treatment system - Google Patents
Organic wastewater treatment system Download PDFInfo
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- CN210065450U CN210065450U CN201920334266.8U CN201920334266U CN210065450U CN 210065450 U CN210065450 U CN 210065450U CN 201920334266 U CN201920334266 U CN 201920334266U CN 210065450 U CN210065450 U CN 210065450U
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Abstract
The utility model discloses an organic wastewater treatment system, include: the system comprises an industrial sewage pipeline, a domestic sewage pipeline, a regulating tank, an anaerobic tank, a sedimentation tank, a buffer tank, an aerobic tank, an ozone reaction tower, an MBR tank, a biological carbon tower and a drainage tank, wherein the industrial sewage pipeline and the domestic sewage pipeline are respectively connected with the regulating tank; the regulating tank is connected with the anaerobic tank; the anaerobic tank is further connected with the sedimentation tank, the sedimentation tank is further connected with the ozone reaction tower and the aerobic tank, the aerobic tank is connected with the MBR tank, and the MBR tank is connected with the drainage tank. Adopt above-mentioned technical scheme, can mix industrial sewage and domestic sewage to carry out biochemical reaction, after carrying out hydrolysis reaction with activated sludge and carrying out oxidation reaction with ozone, the organic matter is continued to degrade to the rethread aerobic microorganism, realizes degrading macromolecular organic matter, makes the waste water that enters into in the organic waste water treatment system can efficient degradation macromolecular organic matter after handling.
Description
Technical Field
The utility model relates to an organic wastewater treatment system belongs to waste water treatment service technical field.
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 of backward treatment process and low treatment efficiency of the water containing bromine wastewater through optimizing the combination of the advanced treatment process of the bromine-containing organic wastewater, and can efficiently degrade macromolecular organic matters in wastewater.
In order to achieve the above object, the present invention provides an organic wastewater treatment system, comprising: the system comprises an industrial sewage pipeline, a domestic sewage pipeline, a regulating tank, an anaerobic tank, a sedimentation tank, a buffer tank, an aerobic tank, an ozone reaction tower, an MBR tank, a biological carbon tower and a drainage tank, wherein the industrial sewage pipeline and the domestic sewage pipeline are respectively connected with the regulating tank; the regulating tank is connected with the anaerobic tank; the anaerobic tank is further connected with the sedimentation tank, the sedimentation tank is further connected with an ozone reaction tower and an aerobic tank, the ozone reaction tower is connected with the buffer tank, the buffer tank is connected with the aerobic tank, the aerobic tank is connected with the MBR tank, and the MBR tank is connected with the drainage tank.
By adopting the technical scheme, industrial sewage and domestic sewage can be mixed in the regulating tank, biochemical reaction is carried out in the system, most organic matters in the wastewater are degraded by hydrolysis acidification reaction with anaerobic activated sludge in the anaerobic tank, and macromolecular organic matters are fully broken by anaerobic activated microorganisms, namely hydrolysis acidification is carried out, so that the biodegradability of the wastewater is improved; after the wastewater passes through the sedimentation tank, part of sludge overflowing along with the wastewater is precipitated at the bottom of the sedimentation tank, the supernatant on the upper part enters the ozone reaction tower, part of organic matters in the wastewater are oxidized and degraded after being oxidized by ozone in the ozone reaction tower, and the rest macromolecular organic matters are oxidized and broken into biochemical micromolecular organic matters, so that the biodegradability of the subsequent wastewater is improved; waste water after ozone oxidation distributes away the ozone in the waste water in the buffer tank through the buffer tank, gets into good oxygen pond, continues to degrade through aerobic microorganisms in good oxygen pond, and the waste water overflow after the degradation flows into the MBR pond, discharges to the drainage pond after filtering through the MBR membrane.
The adjusting tanks are multiple, namely a first adjusting tank and a second adjusting tank; the drainage pool is a plurality of drainage pools, namely a first drainage pool and a second drainage pool; the anaerobic tanks are multiple, namely a first anaerobic tank and a second anaerobic tank; liquid level transmitters are arranged on the first regulating tank, the second regulating tank, the sedimentation tank, the MBR tank and the first drainage tank; thermometers are arranged on the second adjusting tank, the second anaerobic tank and the MBR tank; overflow pipelines are arranged on the first drainage pool and the second drainage pool; the first drainage tank is connected with the biological carbon tower; overflow pipelines are arranged on the first drainage pool and the second drainage pool; the bottom of the first adjusting tank is provided with an aeration pipeline which is used for mixing industrial sewage and domestic sewage in the adjusting tank through aeration; be provided with steam heating system in the second equalizing basin, steam heating system is used for guaranteeing that the temperature of intaking when mixed liquid gets into the second equalizing basin from first equalizing basin can reach the required temperature of system's interior microorganism.
The organic wastewater treatment system further comprises a sludge concentration tank, sludge pipelines are arranged between the sludge concentration tank and the sedimentation tank, between the sludge concentration tank and the MBR tank, and the sludge pipelines enable sludge to flow back so as to keep the sludge in the system at a certain concentration.
First anaerobism pond with second anaerobism bottom of the pool portion is provided with agitating unit, agitating unit is used for stirring the waste water in the anaerobism pond, makes waste water and the active microorganism intensive mixing of anaerobism in the anaerobism pond carry out hydrolysis-acidification reaction.
A microporous aeration disc is arranged at the bottom of the ozone reaction tower, a sludge discharge pipeline is arranged at the bottom of the sedimentation tank, a hollow fiber membrane is arranged in the MBR tank, and an aeration pipeline is arranged at the bottom of the MBR tank; the bottom of the biochar reaction tower is provided with a water stepping pipeline and an aeration disc, cobblestones and granular activated carbon are sequentially filled from the middle layer to the upper layer, activated sludge is cultured on the granular activated carbon, the microporous aeration disc is used for fully mixing ozone and wastewater in the ozone reaction tower, so that the reaction is more vigorous, and the hollow fiber membrane and the aeration pipeline arranged in the MBR tank are both used for conveniently filtering the wastewater; cobblestone and granular activated carbon arranged on the biological carbon tower are used for further filtering the wastewater.
The aerobic tanks are multiple, namely a first aerobic tank and a second aerobic tank; and aeration pipelines are arranged at the bottoms of the first aerobic tank and the second aerobic tank, and the aeration pipe group is used for mixing wastewater in the aerobic tanks, so that organic matters in the wastewater after ozone oxidation can be fully degraded by aerobic microorganisms in the aerobic tanks.
An ozone tower lift pump is arranged between the sedimentation tank and the ozone reaction tower, the ozone reaction tower is also connected with an ozone machine, and the ozone machine is used for providing ozone for the ozone reaction tower.
MBR pond with be provided with MBR membrane outlet water pump between the first blow-off pond, be provided with biological carbon tower elevator pump between first blow-off pond and biological carbon tower.
The sludge pump is arranged at the bottom of the sedimentation tank and used for periodically returning sludge at the bottom of the sedimentation tank to the first anaerobic tank and the second anaerobic tank; and a sludge pipeline is arranged at the bottom of the MBR tank and is used for returning sludge generated in the MBR tank to the first aerobic tank.
The wastewater treatment system further comprises a fan, wherein the fan is respectively connected with the first regulating tank, the biological carbon tower and the aerobic tank, and the fan is used for providing oxygen required by microorganisms.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view showing a sludge recirculation state.
Detailed Description
In order to explain the technical solution more clearly, the following embodiments are used to further explain the present invention:
the utility model discloses an organic wastewater treatment system, include: the system comprises an industrial sewage pipeline 1, a domestic sewage pipeline 2, a regulating tank, an anaerobic tank, a sedimentation tank 7, a buffer tank 10, an aerobic tank, an ozone reaction tower 9, an MBR tank 13, a biological carbon tower 17 and a drainage tank, wherein the industrial sewage pipeline 1 and the domestic sewage pipeline 2 are respectively connected with the regulating tank; the regulating tank is connected with the anaerobic tank; the anaerobic tank is also connected with the sedimentation tank 7, the sedimentation tank 7 is also connected with the ozone reaction tower 9 and the aerobic tank, the aerobic tank is connected with the MBR tank 13, and the MBR tank 13 is connected with the drainage tank.
By adopting the technical scheme, industrial sewage and domestic sewage can be mixed in the regulating tank, biochemical reaction is carried out in the system, most organic matters in the wastewater are degraded by hydrolysis acidification reaction with anaerobic activated sludge in the anaerobic tank, and macromolecular organic matters are fully broken by anaerobic activated microorganisms, namely hydrolysis acidification is carried out, so that the biodegradability of the wastewater is improved; after the wastewater passes through the sedimentation tank 7, part of sludge overflowing along with the wastewater is precipitated at the bottom of the sedimentation tank, the clear liquid at the upper part enters the ozone reaction tower, part of organic matters in the wastewater are oxidized and degraded after being oxidized by ozone in the ozone reaction tower 9, and the rest macromolecular organic matters are oxidized and broken into biochemical micromolecular organic matters through ozone, so that the biodegradability of the subsequent wastewater is improved; the waste water after the ozone oxidation passes through the buffer tank, ozone in the waste water is distributed in the buffer tank 10 and enters the aerobic tank, the waste water is continuously degraded in the aerobic tank through aerobic microorganisms, the degraded waste water overflows into the MBR tank 13, and the waste water is filtered by the MBR membrane and then is discharged to the drainage tank.
The regulating tanks are multiple, namely a first regulating tank 3 and a second regulating tank 4; the drainage ponds are a plurality of drainage ponds, namely a first drainage pond 15 and a second drainage pond 18; the anaerobic tanks are multiple, namely a first anaerobic tank 5 and a second anaerobic tank 6; liquid level transmitters are arranged on the first adjusting tank 3, the second adjusting tank 4, the sedimentation tank 7, the MBR tank 13 and the first drainage tank 15; thermometers are arranged on the second adjusting tank 3, the second anaerobic tank 6 and the MBR tank 13; overflow pipelines are arranged on the first drainage pool 15 and the second drainage pool 18; the first drainage tank 15 is connected with the biological carbon tower 17; overflow pipelines are arranged on the first drainage pool 15 and the second drainage pool 18; the bottom of the first adjusting tank 3 is provided with an aeration pipeline which is used for mixing industrial sewage and domestic sewage in the adjusting tank through aeration; and a steam heating system is arranged in the second regulating tank 4 and is used for ensuring that the water inlet temperature of the mixed liquid entering the second regulating tank 4 from the first regulating tank 3 can reach the temperature required by microorganisms in the system.
The organic wastewater treatment system further comprises a sludge concentration tank, sludge pipelines are arranged between the sludge concentration tank and the sedimentation tank, between the sludge concentration tank and the MBR tank, and the sludge pipelines enable sludge to flow back so as to keep the sludge in the system at a certain concentration.
A microporous aeration disc is arranged at the bottom of the ozone reaction tower 9, a sludge discharge pipeline is arranged at the bottom of the sedimentation tank 7, a hollow fiber membrane is arranged in the MBR tank 13, and an aeration pipeline is arranged at the bottom of the MBR tank; the bottom of the biological carbon tower 17 is provided with a water-stepping pipeline and an aeration disc, cobblestones and granular activated carbon are sequentially filled from the middle layer to the upper layer, activated sludge is cultured on the granular activated carbon, the microporous aeration disc is used for fully mixing ozone and wastewater in the ozone reaction tower, so that the reaction is more vigorous, and a hollow fiber membrane and an aeration pipeline which are arranged in the MBR tank 13 are both used for conveniently filtering the wastewater; cobblestone and granular activated carbon arranged on the biological carbon tower 17 are used for further filtering the wastewater.
The aerobic tanks are multiple, namely a first aerobic tank 11 and a second aerobic tank 12; the bottom of the first aerobic tank 11 and the bottom of the second aerobic tank 12 are provided with aeration pipelines, and the aeration pipe groups are used for mixing wastewater in the aerobic tanks, so that organic matters in the wastewater after ozone oxidation can be fully degraded by aerobic microorganisms in the aerobic tanks.
An ozone tower lift pump 8 is arranged between the sedimentation tank 7 and the ozone reaction tower 9, the ozone reaction tower 9 is also connected with an ozone machine 26, and the ozone machine 26 is used for providing ozone for the ozone reaction tower.
MBR pond 13 with be provided with MBR membrane outlet water pump between the first blow-off pond, be provided with biological carbon tower 17 elevator pump between first blow-off pond and biological carbon tower 17.
The bottom of the sedimentation tank 7 is provided with a sludge pump, and the sludge pump is used for periodically returning sludge at the bottom of the sedimentation tank 7 to the first anaerobic tank and the second anaerobic tank; the bottom of the MBR tank 13 is provided with a sludge pipeline, and the sludge pipeline is used for returning sludge generated in the MBR tank 13 to the first aerobic tank 11.
The wastewater treatment system further comprises a fan 19, wherein the fan 19 is respectively connected with the first regulating tank 1, the biological carbon tower 9 and the aerobic tank, and the fan 19 is used for providing oxygen required by microorganisms.
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 in the sludge concentration tank 23 is returned to the first regulating tank 3; 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.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. An organic wastewater treatment system, comprising: the system comprises an industrial sewage pipeline, a domestic sewage pipeline, a regulating tank, an anaerobic tank, a sedimentation tank, an ozone reaction tower, a buffer tank, an aerobic tank, an MBR tank and a drainage tank, wherein the industrial sewage pipeline and the domestic sewage pipeline are respectively connected with the regulating tank; the regulating tank is connected with the anaerobic tank; the anaerobic tank is further connected with the sedimentation tank, the sedimentation tank is further connected with an ozone reaction tower and an aerobic tank, the ozone reaction tower is connected with the buffer tank, the buffer tank is connected with the aerobic tank, the aerobic tank is connected with the MBR tank, and the MBR tank is connected with the drainage tank.
2. The organic wastewater treatment system according to claim 1, wherein: the two regulating pools are a first regulating pool and a second regulating pool which are connected with each other; the drainage pool comprises two drainage pools, namely a first drainage pool and a second drainage pool which are connected with each other; the anaerobic tanks are two, namely a first anaerobic tank and a second anaerobic tank which are connected with each other; liquid level transmitters are arranged on the first regulating tank, the second regulating tank, the sedimentation tank, the MBR tank and the first drainage tank; thermometers are arranged on the second adjusting tank, the second anaerobic tank and the MBR tank; overflow pipelines are arranged on the first drainage pool and the second drainage pool; the first drainage pool is also connected with a biological carbon tower, and the biological carbon tower is connected with the second drainage pool.
3. The organic wastewater treatment system according to claim 2, characterized in that: the bottom of the first adjusting tank is provided with an aeration pipeline which is used for mixing industrial sewage and domestic sewage in the adjusting tank through aeration; be provided with steam heating system in the second equalizing basin, steam heating system is used for guaranteeing that the temperature of intaking when mixed liquid gets into the second equalizing basin from first equalizing basin can reach the required temperature of system's interior microorganism.
4. An organic wastewater treatment system according to claim 2, wherein: the first anaerobic tank and the bottom of the second anaerobic tank are provided with stirring devices, and the stirring devices are used for stirring the wastewater in the anaerobic tanks.
5. The organic wastewater treatment system according to claim 2, characterized in that: an MBR membrane water outlet pump is arranged between the MBR tank and the first drainage tank and is used for filtering the wastewater in the MBR tank and draining the wastewater to the first drainage tank; and a biological carbon tower lift pump is arranged between the first drainage tank and the biological carbon tower.
6. The organic wastewater treatment system according to claim 2, characterized in that: the organic wastewater treatment system further comprises a sludge concentration tank, and sludge pipelines are arranged between the sludge concentration tank and the sedimentation tank, the regulating tank and the MBR tank.
7. The organic wastewater treatment system according to claim 6, wherein: a sludge pump and a sludge discharge pipeline are arranged at the bottom of the sedimentation tank, and the sludge discharge pipeline is connected with the sludge pipeline; the sludge pump is used for periodically returning sludge at the bottom of the sedimentation tank to the first anaerobic tank and the second anaerobic tank.
8. The organic wastewater treatment system according to claim 6, wherein: a microporous aeration disc is arranged at the bottom of the ozone reaction tower, a hollow fiber membrane is arranged in the MBR tank, and an aeration pipeline is arranged at the bottom of the MBR tank; the bottom of the biological carbon tower is provided with a water-stepping pipeline and an aeration disc, cobblestones and granular activated carbon are sequentially filled from the middle layer to the upper layer, and activated sludge is cultured on the granular activated carbon.
9. The organic wastewater treatment system according to claim 8, wherein: an ozone tower lifting pump is arranged between the sedimentation tank and the ozone reaction tower and used for lifting the waste water in the sedimentation tank to the ozone reaction tower.
10. The organic wastewater treatment system according to claim 1, wherein: the aerobic tanks are multiple, namely a first aerobic tank and a second aerobic tank; the bottom parts of the first aerobic tank and the second aerobic tank are respectively provided with an aeration pipeline, and the aeration pipe group is used for mixing the wastewater in the aerobic tanks, so that the aerobic microorganisms in the aerobic tanks can fully degrade organic matters in the wastewater after ozone oxidation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920334266.8U CN210065450U (en) | 2019-03-15 | 2019-03-15 | Organic wastewater treatment system |
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| CN201920334266.8U CN210065450U (en) | 2019-03-15 | 2019-03-15 | Organic wastewater treatment system |
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| CN210065450U true CN210065450U (en) | 2020-02-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115353261A (en) * | 2022-10-19 | 2022-11-18 | 威海蓝创环保设备有限公司 | Polyester waste water treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115353261A (en) * | 2022-10-19 | 2022-11-18 | 威海蓝创环保设备有限公司 | Polyester waste water treatment system |
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Effective date of registration: 20220525 Address after: 113000 0301-s0062, No. 75-1, Jinfeng street, Shenfu New District, Fushun City, Liaoning Province Patentee after: Liaoning Huayu Environmental Engineering Co.,Ltd. Address before: Haitai green industrial base m2, no.6, Haitai development road 6, Huayuan Industrial Zone, Binhai New Area, Tianjin 300110 Patentee before: E-TECH ENERGY TECHNOLOGY DEVELOPMENT Corp. |
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