CN112607964A - Intelligent sewage treatment MSABP process units - Google Patents
Intelligent sewage treatment MSABP process units Download PDFInfo
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- CN112607964A CN112607964A CN202011448737.1A CN202011448737A CN112607964A CN 112607964 A CN112607964 A CN 112607964A CN 202011448737 A CN202011448737 A CN 202011448737A CN 112607964 A CN112607964 A CN 112607964A
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- 239000010865 sewage Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000010802 sludge Substances 0.000 claims abstract description 71
- 230000003647 oxidation Effects 0.000 claims abstract description 31
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 230000020477 pH reduction Effects 0.000 claims abstract description 20
- 230000007062 hydrolysis Effects 0.000 claims abstract description 19
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 19
- 238000004062 sedimentation Methods 0.000 claims abstract description 18
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 9
- 231100000719 pollutant Toxicity 0.000 claims abstract description 9
- 239000003814 drug Substances 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 17
- 229910052760 oxygen Inorganic materials 0.000 claims description 17
- 239000001301 oxygen Substances 0.000 claims description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 14
- 229910052698 phosphorus Inorganic materials 0.000 claims description 14
- 239000011574 phosphorus Substances 0.000 claims description 14
- 239000002351 wastewater Substances 0.000 claims description 13
- 230000018044 dehydration Effects 0.000 claims description 12
- 238000006297 dehydration reaction Methods 0.000 claims description 12
- 238000005273 aeration Methods 0.000 claims description 10
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 10
- 239000000945 filler Substances 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 238000004332 deodorization Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000008719 thickening Effects 0.000 description 4
- 239000002518 antifoaming agent Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 238000010979 pH adjustment Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000012847 fine chemical Substances 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 125000001477 organic nitrogen group Chemical group 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000012450 pharmaceutical intermediate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-M phosphinate Chemical compound [O-][PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-M 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 210000000697 sensory organ Anatomy 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/16—Total nitrogen (tkN-N)
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
Abstract
The invention provides an intelligent MSABP (MSABP) process device for sewage treatment, which is characterized by comprising a pH adjusting homogenizing tank, a hydrolysis acidification tank, a biological contact oxidation tank, a sedimentation tank, a clean water tank and a sludge collecting and dehydrating system, wherein the pH adjusting homogenizing tank, the hydrolysis acidification tank, the biological contact oxidation tank, the sedimentation tank, the clean water tank and the sludge collecting and dehydrating system are sequentially communicated; the pH adjusting homogenizing tank comprises a mechanical grid positioned at the input end of the pH adjusting homogenizing tank, a stirring and mixing device and a heating device are arranged in the pH adjusting homogenizing tank, and a plurality of medicament adding devices are connected to the pH adjusting homogenizing tank; the invention has extremely low labor load in operation and operation, needs few staff, and can automatically keep independent operation modes of all the pools to achieve the effect of removing pollutants of different types and concentrations.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an intelligent MSABP (MSABP) process device for sewage treatment.
Background
The fine chemical industry, the pharmaceutical intermediate industry and the like have the characteristics of various products, frequent product alternation and the like, and the generated sewage contains organic pollutants, nitrogen and phosphorus pollutants of various types and has large concentration level change; the contained hypophosphorous and orthophosphoric substances can not be removed by the same method generally; organic COD and ammonia nitrogen can not be removed at the same stage; organic nitrogen, ammonia nitrogen and nitrate nitrogen cannot be removed at the same stage; industrial waste water is more difficult to treat than domestic municipal waste water.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides an intelligent MSABP process device for sewage treatment, and solves the problem of industrial wastewater with various types and concentrations of pollutants such as nitrogen, phosphorus, organic matters and the like in the industries such as fine chemical engineering, pharmacy, chemical fiber and the like.
In order to solve the technical problems, the invention adopts the technical scheme that: an intelligent MSABP process device for sewage treatment comprises a pH adjusting homogenizing tank, a hydrolysis acidification tank, a biological contact oxidation tank, a sedimentation tank, a clean water tank and a sludge collecting and dehydrating system, wherein the pH adjusting homogenizing tank, the hydrolysis acidification tank, the biological contact oxidation tank, the sedimentation tank, the clean water tank and the sludge collecting and dehydrating system are sequentially communicated;
the pH adjusting homogenizing tank comprises a mechanical grid positioned at the input end of the pH adjusting homogenizing tank, a stirring and mixing device and a heating device are arranged in the pH adjusting homogenizing tank, and a plurality of medicament adding devices are connected to the pH adjusting homogenizing tank;
the biological contact oxidation tanks are communicated in sequence and are provided with aeration pipes, and the aeration pipes are provided with pressure transmitters which transmit pressure signals to blowers to adjust air volume; and an ammonia nitrogen instrument for monitoring the ammonia nitrogen level of the wastewater is also arranged in the biological contact oxidation tank.
Further, the medicament adding device comprises a total phosphorus removing device and an acid-base adjusting device, the acid-base adjusting device comprises a dosing pump, a pH meter and a PLC (programmable logic controller), and the pH meter, the PLC and the dosing pump are sequentially in signal connection.
Furthermore, a dissolved oxygen meter is arranged in the biological contact oxidation tank and connected with a control valve for controlling the content of dissolved oxygen in the biological contact oxidation tank.
Furthermore, inclined plate fillers and a mud bucket arranged between the inclined plate fillers are arranged in the sedimentation tank; the sedimentation tank is connected with a sludge reflux pump, and the sedimentated sludge is input into a sludge collection and dehydration system.
Furthermore, the output end of the clean water tank is communicated with a municipal sewage pipe network, and the output end of the clean water tank is provided with a flowmeter, an online total phosphorus instrument, a COD instrument and a total nitrogen instrument for monitoring the condition of pollutants in the treated wastewater.
Furthermore, the sludge collection and dehydration system comprises a sludge concentration tank and a sludge dehydration device, wherein the sludge dehydration device is connected with the output end of the sludge concentration tank and is used for dehydrating the sludge.
Further, still include deodorization system, deodorization system intercommunication homogeneity pond, hydrolysis acidification pool, sludge thickening tank, mud pressing machine room and good oxygen pond biological contact oxidation pond for handle by the homogeneity pond, hydrolysis acidification pool, sludge thickening tank, mud pressing machine room and good oxygen pond biological contact oxidation pond exhaust foul smell.
Compared with the prior art, the invention has the beneficial effects that:
1) the homogenizing tank is provided with an automatic grating, automatic temperature maintenance, automatic pH adjustment and automatic water quality detection. The operation has extremely low labor load and needs few staff.
2) The dissolved oxygen level of each level of biological contact oxidation tank can be set according to the sewage load of each period, and the independent operation mode of each tank can be automatically kept to achieve the effect of removing pollutants of different types and concentrations.
3) Automatic water quantity regulation, accurate control of the operation hydraulic load and other pollutant loads of air floatation, aerobic and other processes.
Drawings
The disclosure of the present invention is illustrated with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:
fig. 1 schematically shows a structural schematic diagram of an intelligent sewage treatment MSABP process unit according to an embodiment of the present invention.
Reference numbers in the figures: 1-a pH adjusting homogenizing tank, 2-a hydrolysis acidification tank, 3-a biological contact oxidation tank, 4-a sedimentation tank, 5-a clean water tank, 6-a sludge collecting and dehydrating system and 7-a deodorizing system.
Detailed Description
It is easily understood that according to the technical solution of the present invention, a person skilled in the art can propose various alternative structures and implementation ways without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as all of the present invention or as limitations or limitations on the technical aspects of the present invention.
An embodiment according to the present invention is shown in connection with fig. 1. An intelligent MSABP process device for sewage treatment comprises a pH adjusting homogenizing tank 1, a hydrolysis acidification tank 2, a biological contact oxidation tank 3, a sedimentation tank 4, a clean water tank 5 and a sludge collecting and dehydrating system 6, wherein the pH adjusting homogenizing tank 1, the hydrolysis acidification tank 2, the biological contact oxidation tank 3, the sedimentation tank 4, the clean water tank 5 and the sludge collecting and dehydrating system 6 are sequentially communicated;
the pH adjusting homogenizing tank 1 comprises a mechanical grid positioned at the input end of the pH adjusting homogenizing tank 1, a stirring and mixing device and a heating device are arranged in the pH adjusting homogenizing tank 1, and a plurality of medicament adding devices are connected to the pH adjusting homogenizing tank 1; the medicament adding device comprises a total phosphorus removing device and an acid-base adjusting device, the acid-base adjusting device comprises a dosing pump, a pH meter and a PLC, and the pH meter, the PLC and the dosing pump are sequentially in signal connection. The homogenizing tank is provided with an automatic grating, automatic temperature maintenance, automatic pH adjustment and automatic water quality detection. The operation has extremely low labor load and needs few staff.
After flow adjustment and automatic temperature rise, the wastewater enters a hydrolysis acidification tank 2 from a pH adjustment homogenizing tank 1, and after SS is removed, the wastewater is subjected to hydrolysis acidification with anoxic bacteria under the driving of submerged stirring in the hydrolysis acidification tank 2; when the total phosphorus of raw water is higher, phosphate, hypophosphite and phosphite with higher concentration can be removed by combining air floatation with a proper phosphorus removing agent, and the removal rate can reach more than 90 percent; when the total phosphorus is slightly higher than the standard, the biochemical system can be directly used for buffering and absorbing and then discharging the sludge to balance the index of the total phosphorus in the effluent, thereby reducing the consumption of the phosphorus removal agent. The efficient hydrolytic acidification reaction tank is internally provided with the efficient filler and the submersible stirrer, so that the biochemical ratio of organic matters in the wastewater can be improved, the biochemical degradation difficulty of the organic matters is reduced, a large amount of low-molecular organic matters can be generated, a proper low-molecular carbon source can be provided for denitrification, and the denitrification efficiency is improved.
The biological contact oxidation tanks 3 are communicated in sequence and are provided with aeration pipes, and pressure transmitters are arranged on the aeration pipes and transmit pressure signals to the blowers to adjust air volume; an ammonia nitrogen instrument for monitoring the ammonia nitrogen level of the wastewater is also arranged in the biological contact oxidation tank 3. And a dissolved oxygen instrument is also arranged in the biological contact oxidation pond 3 and is connected with the control valve for controlling the content of dissolved oxygen in the biological contact oxidation pond 3. The dissolved oxygen level of each level of biological contact oxidation tank 3 can be set according to the sewage load of each period, and the independent operation mode of each tank can be automatically kept to achieve the effect of removing pollutants of different types and concentrations. Automatic water quantity regulation, accurate control of the operation hydraulic load of the procedures such as air floatation, an aerobic tank and the like and the load of other pollutants.
The wastewater enters a multistage biological contact oxidation tank 3 after being acidified and hydrolyzed, the multistage biological contact oxidation tank 3 comprises a 1-stage aerobic tank, a 2-stage aerobic tank, a 3-stage aerobic tank, a 4-stage aerobic tank, a 5-stage aerobic tank and a 6-stage aerobic tank, in the contact oxidation tank, wastewater respectively flows through the 1-stage aerobic tank, the 2-stage aerobic tank, the 3-stage aerobic tank, the 4-stage aerobic tank, the 5-stage aerobic tank and the 6-stage aerobic tank, aeration quantity (dissolved oxygen) of each stage of aerobic tank is independently adjusted and controlled by respective dissolved oxygen meters and control valves on respective aeration pipelines, a pressure transmitter is arranged at the tail end of a main aeration pipe, air quantity is automatically adjusted through frequency conversion control according to pressure feedback, a defoaming device is also arranged in the aerobic tank, defoaming agents can be triggered to be automatically added into each stage of aerobic tank, and ammonia nitrogen levels of the 5 th stage and the 6 th stage are automatically monitored by the online ammonia.
The six-stage biological contact aerobic tank can be flexibly adjusted by operation managers according to COD load and Kaiser nitrogen load of sewage inlet water by adjusting mud amount, mud age, temperature and dissolved oxygen level. Or enhancing the degradation of COD, enhancing the nitrification rate of ammonia nitrogen or delaying aeration to reduce the generation amount of excess sludge. The system is flexible, intelligent and controllable, and the pressure transmitter at the tail end of the main pipe feeds pressure signals back to the control communication unit (PLC) to automatically adjust the running frequency of the variable frequency fan, so that the air quantity is always supplied according to the requirement, and the fan runs in an energy-saving state.
When more filamentous bacteria generate biological foam or a surfactant exists in wastewater and chemical foam, the defoaming agent can be automatically added by manually triggering a defoaming agent adding program, so that the problems of process and sense organ caused by overflowing of foam to cause sewage and sludge to overflow out of a sewage pool are avoided.
The wastewater enters a sedimentation tank 4 after biochemical treatment, and inclined plate fillers and a mud bucket arranged between the inclined plate fillers are arranged in the sedimentation tank 4; the sedimentation tank 4 is connected with a sludge reflux pump, sludge of a sludge hopper at the bottom of the inclined plate can be selectively and respectively discharged to the hydrolysis acidification tank 2 through the sludge reflux pump according to the running condition, and the settled sludge is input into a sludge collection and dehydration system 6 through 1 level/2 level or sludge discharge of the aerobic tank.
The treated wastewater enters a clean water tank 5 for caching after being clarified and is discharged to a municipal sewage pipe network through a clean water pump, a flow meter, an online total phosphorus instrument, a COD instrument, a total nitrogen instrument and two paths of electric valves are arranged on a drainage pipeline, qualified sewage is discharged, and unqualified sewage automatically returns to a biochemical corresponding sewage treatment link according to the water quality. The outlet water of the clean water tank 5 is provided with an UV-COD online monitor, a total phosphorus online monitor, a total nitrogen online monitor, two electric valves and corresponding pipelines, the electric valves can be automatically opened and closed according to the outlet water monitoring result, the flow direction of the treated clean water is selected, the treated clean water is discharged to a municipal sewage pipe network in a qualified mode, and the treated clean water is unqualified and returns to the corresponding sewage treatment unit for continuous treatment.
The sludge collection and dehydration system 6 comprises a sludge concentration tank and a sludge dehydration device, the sludge dehydration device is connected with the output end of the sludge concentration tank, residual sludge discharged from a secondary sedimentation tank and air floatation scum enter the sludge collection and dehydration system 6 together, the sludge and the scum enter the sludge concentration tank in advance, water is discharged from the middle of the sludge concentration tank according to a sludge surface meter, the sludge is conditioned and then enters a screw folding machine for continuous dehydration after being discharged, the dehydrated sludge can enter a low-temperature drying device for deep dehydration, and finally the extruded dry sludge is directly packaged.
When the organic matter load is high, the sludge can flow back to the 1, 2-level aerobic tank, the sludge concentration is improved, and the COD removal load is improved; when the sludge is expanded, the sludge can be returned to the anoxic tank, the dissolved oxygen level of the aerobic tank is reduced, and the sludge expansion can be effectively inhibited.
The air flotation and the sludge in the secondary sedimentation tank are discharged to the same sludge concentration tank, the sludge concentration tank discharges water from the middle part, the sludge is continuously pressed, and the sludge is continuously and deeply dewatered at low temperature, so that the manual labor is hardly caused, and the requirements on the sex and physical ability of staff are not strict; and the sludge dewatering and drying room is ventilated in a closed way, no odor is discharged into the environment, and the operation of sludge dewatering and drying is healthy and sanitary.
Still include deodorization system 7, deodorization system 7 intercommunication homogeneity pond, hydrolysis acidification pool 2, sludge thickening tank, the biological contact oxidation pond 3 in mud pressing machine room and good oxygen pond, the homogeneity pond, hydrolysis acidification pool 2, sludge thickening tank, the tail gas of department such as mud pressing machine room and the good oxygen pond of one-level need be handled through the deodorizer, each pool face adds the lid after, the foul smell gets into the deodorizer after the draught fan carries the dehumidifier and handles the purification back and discharge through the chimney.
The technical scope of the present invention is not limited to the above description, and those skilled in the art can make various changes and modifications to the above-described embodiments without departing from the technical spirit of the present invention, and such changes and modifications should fall within the protective scope of the present invention.
Claims (7)
1. An intelligent MSABP process device for sewage treatment is characterized by comprising a pH adjusting homogenizing tank (1), a hydrolysis acidification tank (2), a biological contact oxidation tank (3), a sedimentation tank (4), a clean water tank (5) and a sludge collecting and dehydrating system (6), wherein the pH adjusting homogenizing tank (1), the hydrolysis acidification tank (2), the biological contact oxidation tank (3), the sedimentation tank (4), the clean water tank (5) and the sludge collecting and dehydrating system (6) are sequentially communicated;
the pH adjusting homogenizing tank (1) comprises a mechanical grid positioned at the input end of the pH adjusting homogenizing tank (1), a stirring and mixing device and a heating device are arranged in the pH adjusting homogenizing tank (1), and a plurality of medicament adding devices are connected to the pH adjusting homogenizing tank (1);
the biological contact oxidation tanks (3) are communicated in sequence and are provided with aeration pipes, and the aeration pipes are provided with pressure transmitters for transmitting pressure signals to blowers to adjust air volume; and an ammonia nitrogen instrument for monitoring the ammonia nitrogen level of the wastewater is also arranged in the biological contact oxidation tank (3).
2. The intelligent sewage treatment MSABP process unit of claim 1, wherein the agent adding device comprises a total phosphorus removal device and an acid-base adjusting device, the acid-base adjusting device comprises a dosing pump, a pH meter and a PLC controller, and the pH meter, the PLC controller and the dosing pump are sequentially in signal connection.
3. The intelligent MSABP process unit as recited in claim 1, wherein said bio-contact oxidation tank (3) is further provided with an oxygen dissolving instrument, and said oxygen dissolving instrument is connected to a control valve for controlling the dissolved oxygen content in said bio-contact oxidation tank (3).
4. The intelligent MSABP process unit as recited in claim 1, wherein the sedimentation tank (4) is provided with inclined plate fillers and a mud bucket arranged between the inclined plate fillers; the sedimentation tank (4) is connected with a sludge reflux pump, and the sedimentated sludge is input into a sludge collection and dehydration system (6).
5. The intelligent MSABP process device of claim 1, wherein the output end of the clean water tank (5) is connected to a municipal sewage pipe network, and the output end of the clean water tank (5) is provided with a flowmeter, an online total phosphorus meter, a COD meter and a total nitrogen meter for monitoring the condition of pollutants in the treated wastewater.
6. The intelligent MSABP process device as recited in claim 1, wherein the sludge collection and dewatering system (6) comprises a sludge concentration tank and a sludge dewatering device, and the sludge dewatering device is connected with the output end of the sludge concentration tank and is used for dewatering sludge.
7. The intelligent MSABP process device as claimed in claim 1, further comprising a deodorization system (7), wherein the deodorization system (7) is connected to the homogenizing tank, the hydrolysis acidification tank (2), the sludge concentration tank, the sludge pressing machine room and the aerobic tank biological contact oxidation tank (3) for treating odor exhausted from the homogenizing tank, the hydrolysis acidification tank (2), the sludge concentration tank, the sludge pressing machine room and the aerobic tank biological contact oxidation tank (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011448737.1A CN112607964A (en) | 2020-12-09 | 2020-12-09 | Intelligent sewage treatment MSABP process units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011448737.1A CN112607964A (en) | 2020-12-09 | 2020-12-09 | Intelligent sewage treatment MSABP process units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112607964A true CN112607964A (en) | 2021-04-06 |
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| CN202011448737.1A Pending CN112607964A (en) | 2020-12-09 | 2020-12-09 | Intelligent sewage treatment MSABP process units |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114075020A (en) * | 2021-12-13 | 2022-02-22 | 常州科德水处理成套设备股份有限公司 | Intelligent early warning intelligent control device for printing and dyeing sewage |
| CN115974345A (en) * | 2023-03-20 | 2023-04-18 | 曹县人民医院 | Hospital sewage treatment system based on biological contact oxidation method |
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| CN114075020A (en) * | 2021-12-13 | 2022-02-22 | 常州科德水处理成套设备股份有限公司 | Intelligent early warning intelligent control device for printing and dyeing sewage |
| CN115974345A (en) * | 2023-03-20 | 2023-04-18 | 曹县人民医院 | Hospital sewage treatment system based on biological contact oxidation method |
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