CN105819626A - Combined customized sewage disposal system - Google Patents
Combined customized sewage disposal system Download PDFInfo
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- CN105819626A CN105819626A CN201610303987.3A CN201610303987A CN105819626A CN 105819626 A CN105819626 A CN 105819626A CN 201610303987 A CN201610303987 A CN 201610303987A CN 105819626 A CN105819626 A CN 105819626A
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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
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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
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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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
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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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
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- C02F2303/04—Disinfection
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention relates to the technical field of wastewater treatment, and discloses a combined customized sewage disposal system. The combined customized sewage disposal system comprises two physicochemical systems, two anaerobic systems and two biochemical systems and sequentially comprises a first physicochemical system, a first anaerobic system, a second anaerobic system, a first biochemical system, a second biochemical system and a second physicochemical system. The first physicochemical system sequentially comprises a collecting basin, a first coagulating basin, a first settling basin and an adjusting basin, and solid-liquid separation equipment is arranged between the collecting basin and the first coagulating basin. The second physicochemical system sequentially comprises a second coagulating basin, a second settling basin and a disinfecting basin. The combined customized sewage disposal system comprises the first physicochemical system, the first anaerobic system, the second anaerobic system, the first biochemical system, the second biochemical system and the second physicochemical system which are sequentially connected. The combined customized sewage disposal system is simple in process and good in treatment effect, and by adjusting the operation period and controlling time of all working procedures, the BBAF denitrification and dephosphorization effects are obvious. The process can be combined according to the emission requirement of users.
Description
Technical field
The present invention relates to Technology of High Concentration OrganicWastewater Treatment field, particularly relate to combination type customization sewage disposal system.
Background technology
Development along with China's economic construction, the raising of people's living standard, municipal sewage increases year by year with the discharge capacity of industrial wastewater, the most traditional wastewater processing technology is difficult to meet the requirement of the strictest sewage drainage standard, and traditional waste water processes the economic benefit that majority is the most negative, this makes many enterprises cannot bear extra waste water processing cost undoubtedly, in addition expanding economy also brings the shortage increasingly of water resource, objectively require that waste water can resource recycling, it is achieved Social benefit and economic benefit maximizes.
Owing to high concentrated organic wastewater uses general method for treating wastewater to be difficult to meet the economic and technical requirement of purified treatment, therefore it is carried out purified treatment, reclaims and comprehensively utilize one of hot research problem being increasingly becoming environmental protection technology.The most domestic high concentrated organic wastewater is substantially used activated sludge process, anaerobic-aerobic activated sludge process (A/O, AA/O), intermittent activated sludge process (SBR method), modified form SBR (MSBR) method, integrated activated sludge processing (UNITANK), two-stage method (AB method), biomembrance process, biological contact oxidation process, oxidation ditch process, CASS, ICEAS, DAT-IAT, IDEA, BAF biological treatment system, the two stage biological treatment technology such as biological fluidized bed, biofilter.But due to activated sludge process also exist that flow process is complicated, investment is big, energy consumption is high, operational management is loaded down with trivial details, COD clearance is low, metabolite can not the effective shortcoming such as utilization, therefore, the efficiency, stability and the reliability that how to improve high concentrated organic wastewater process are the keys that waste water processes, organic pollution resource recycling, turn waste into wealth, this just requires constantly to transform wastewater processing technology and develop, constantly this technology is further studied, improving, renewal processes Technology, facility and equipment.
Summary of the invention
The shortcoming that the present invention is directed to prior art, provide a kind of combination type customization sewage disposal system, this method uses two-stage materialization, two-stage anaerobic, the combined treatment process of Two-Stage Biochemical, treated high concentrated organic wastewater can be greatly lowered water outlet residual COD, the concentration of ammonia nitrogen, standard water discharge discharge or reuse.
In order to solve above-mentioned technical problem, the present invention is addressed by following technical proposals:
Combination type customization sewage disposal system, include the first materialization system, the first anaerobic system, the second anaerobic system, the first biochemical system, the second biochemical system and the second materialization system successively, first materialization system includes collecting-tank, the first coagulating basin, the first sedimentation tank, regulating reservoir successively, being provided with solid-liquid separating equipment between collecting-tank and the first coagulating basin, the second materialization system includes the second coagulating basin, the second sedimentation tank and sterilization pool successively.
The present invention is provided with two-stage materialization system, two-stage anaerobic system, Two-Stage Biochemical system, and wastewater treatment efficiency is more preferable, and effluent quality is more stable.The sterilization pool that the present invention is provided with can carry out decolouring, ozone processes, sterilization.As preferably, the first anaerobic system is one or more in CSTR reactor, UASB reactor, USR reactor.
As preferably, the first biochemical system is one or more in AO pond, SBR pond, CAST pond, AB reaction tank.SBR pond (also known as activated sludge reaction pond) in the present invention is the active sludge sewage treatment device run by intermittent aerating mode, having used sequencing batch active sludge, SBR technique is the operation overall process being realized traditional activated sludge process by temporal alternate run.SBR pond in the present invention has the function of regulating reservoir, Aeration tank and sedimentation tank simultaneously.Running is divided into into water, aeration, precipitates, strains water, idle five stages.In one cycle of operation, run time, the change of reactor mixeding liquid volume and the running status etc. in each stage can be according to the character of concrete sewage, effluent quality and operation function requirement grasps flexibly.Biological adsorption oxidation reaction pond (AB reaction tank) is mainly used in dephosphorization, and A section is biological adsorption section, and B section is biological oxidation panel, and A section and B section are all aeration aerobic sections；The suction phosphorus growth of microorganism in biological adsorption section and biological oxidation section, phosphor-removing effect is especially good.The low organic substance (including phosphorus) waited in microorganism quick adsorption water of its remarkably productive A of showing themselves in that section, rapidly the BOD level in reduction water body, about 50%；B section microorganism is aeration aerobic growth, and the microorganism grade of this section is slightly above A section, is suitable to aerobic phosphorus absorption growth, and phosphor-removing effect is good.
As preferably, the second biochemical system is annular BAF or baffled biological aerated filter.Annular BAF (CBAF), annular BAF (CBAF) integrates aeration, fast filtering, float retains, two exposures two are sunk, periodically recoiled, it it is the circulation denitrogenation dephosphorizing reactor of a kind of typical high load capacity, submerged, immobilization biological bed, sewage after process is better than discharge standard, can realize Treated sewage reusing.Baffled biological aerated filter (BBAF) has fully used for reference time the design techniques to stream Gas biological filter, UBAF method, SBR method, AB method, contact oxidation method, biomembrance process, manual rapid infiltration land's method, settlement separate method, the fast filter method that feeds water etc. 10, integrate aeration, fast filtering, float retain, two expose two heavy, periodically recoil.
As preferably, also include that sludge-tank, the first materialization system, the first anaerobic system, the second anaerobic system, the first biochemical system, the second biochemical system and the second materialization system are all connected with sludge-tank.
As preferably, sludge-tank connects sludge dewatering equipment.
As preferably, the first sedimentation tank and the second sedimentation tank connect sludge-tank.The present invention includes the first materialization system, the first anaerobic system, the second anaerobic system, the first biochemical system, the second biochemical system and the second materialization system being sequentially connected, and technique is simple, is not susceptible to sludge bulking；Anti-load impact ability is strong, high treating effect；By adjusting cycle of operation and controlling the length of each activity time, BBAF denitrogenation simultaneously, phosphor-removing effect are obvious.
Combination type customization sewage treatment process, the steps include: that high concentrated organic wastewater intercepts through grid from production scene, removes floating thing thick water, protects water pump vane, alleviate the process load of subsequent handling simultaneously.Wastewater collection is promoted to coagulating sedimentation tank to collecting-tank back warp elevator pump, Chinese effluent after precipitation is to after mix homogeneously in regulating reservoir, in one-level anaerobic reactor, anaerobic fermentation is carried out again by lifting water pump lifting, and throw in anaerobe (hydrogen-producing acetogens, consumption hydrogen acetogen and methane phase bacillus), Organic substance in waste water is resolved into methane, carbon dioxide, after one-level water seal, enter back into the most of Organic substance in two grades of water seals, filter removal mud and waste water；After process, water outlet flows into secondary anaerobic reaction tank, controls to enter back into after a certain amount of water outlet mixes secondary anaerobic reactor with regulating reservoir water by effusion meter, and residue water outlet enters anoxic pond through overflow pipe；After anoxic pond hydrolysis acidification, water outlet flows into Aerobic Pond, compressed air it is passed through in Aerobic Pond, keep dissolved oxygen 2-4mg/L, by aerobic microbiological under the filler effect of the micro-hole aerator installed bottom Aeration tank and upper suspension, remaining oxidation operation in waste water is decomposed, Aerobic Pond part effluent recycling is to anoxic pond water inlet, residue waste water flows into vertical sedimentation basin, excess sludge is discharged to sludge-tank, sedimentation tank supernatant overflow enters follow-up biological aerated filter (BBAF/CBAF) and carries out advanced nitrogen, dephosphorization, water outlet enters the coagulation reaction tank of two grades of materialization systems, after coagulative precipitation tank precipitation removes oil removal, qualified discharge or reuse after the disinfection of overflow water outlet sterilized pond.
Above-mentioned anaerobe is methane phase bacillus and acetic acid bacteria.
The chemical agent that above-mentioned coagulation reaction tank adds is aluminium polychlorid and polyacrylamide.
Above-mentioned biological aerated filter, is the multimedium baffled biological aerated filter (BBAF, the patent No.: ZL201520717439.6) by my company's independent research or annular BAF (CBAF).BAF, is to combine feedwater rapid filter and the feature of saprobia catalytic oxidation, retaining and the biomembrane of filling surface by filtrate, under conditions of aeration, with filtration, biological adsorption flocculation, biological oxidation in purifying waste water.Owing to there is aerobic, the microenvironment of anaerobism, anoxia in cell body, nitrification, Denitrification can be carried out simultaneously, therefore can integrate organic matter removal and denitrogenation.Simultaneously because present different biofacies along with the minimizing of nutrient substance in flow velocity direction so that the biofacies of BAF is quite abundant, food chain is longer and complicated than general technique.The effect of organics removal and ammonia nitrogen is more effective than general biofilter.
The present invention compared with prior art has the advantage that:
This technique is on the basis of existing high concentrated organic wastewater biological treatment, and waste water processes and processes metabolite and realizes comprehensive utilization, has the advantage that compared with conventional processes
1, this process rational technology, science, both saved the energy, the biogas that anaerobic fermentation produces is used for burning, heat, dry and generating electricity, decrease the consumption of raw coal, solve again problem of environmental pollution, " waste water,waste gas and industrial residue " is processed and is utilized, and has preferable economic benefit and social benefit.
2, two-stage materialization, two-stage anaerobic and Two-Stage Biochemical combination type customization sewage treatment process are stable, reduce because reactor runs not normal, it is ensured that the stability of effluent quality.The waste water processed is when flowing out one-level anaerobic reactor, and a part of water is flowed directly to anaerobic hydrolysis pond, and remaining flow to secondary anaerobic reaction tank.This way it is secured that enter into the microbial nutrition material equilibrium of the water in biochemical treatment stage, it is ensured that the biochemical treatment stage is to Organic substance, the clearance of ammonia nitrogen；Ensure the qualified discharge of draining.
3, this process technique produces biogas residue, mud can generate fertilizer with biofermentation, and not only the content of organic matter is high, also have substantial amounts of probiotics, it is achieved recycling, turns waste into wealth.
4, a large amount of biogas main components that this process technique anaerobic stages produces are methane, and containing methane 60%, calorific value is 5000kcal, and 1 cube of biogas can send out 2.0kwh electric power.Waste heat in discharged smoke of marsh gas power generation and cooling water heat can prepare hot water supply heating or water for industrial use simultaneously, therefore have the best economic benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
With embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
Combination type customization sewage disposal system, include the first materialization system, the first anaerobic system, the second anaerobic system, the first biochemical system, the second biochemical system and the second materialization system successively, first materialization system includes collecting-tank, the first coagulating basin, the first sedimentation tank, regulating reservoir successively, being provided with solid-liquid separating equipment between collecting-tank and the first coagulating basin, the second materialization system includes the second coagulating basin, the second sedimentation tank and sterilization pool successively.
First anaerobic system is one or more in CSTR reactor, UASB reactor, USR reactor.First biochemical system is one or more in AO pond, SBR pond, CAST pond, AB reaction tank.Second biochemical system is annular BAF or baffled biological aerated filter.
Embodiment 2
Combination type customization sewage disposal system, include the first materialization system, the first anaerobic system, the second anaerobic system, the first biochemical system, the second biochemical system and the second materialization system successively, first materialization system includes collecting-tank, the first coagulating basin, the first sedimentation tank, regulating reservoir successively, being provided with solid-liquid separating equipment between collecting-tank and the first coagulating basin, the second materialization system includes the second coagulating basin, the second sedimentation tank and sterilization pool successively.
First anaerobic system is one or more in CSTR reactor, UASB reactor, USR reactor.First biochemical system is one or more in AO pond, SBR pond, CAST pond, AB reaction tank.Second biochemical system is annular BAF or baffled biological aerated filter.
Also include that sludge-tank, the first materialization system, the first anaerobic system, the second anaerobic system, the first biochemical system, the second biochemical system and the second materialization system are all connected with sludge-tank.Sludge-tank connects sludge dewatering equipment.First sedimentation tank and the second sedimentation tank connect sludge-tank.
In a word, the foregoing is only presently preferred embodiments of the present invention, all impartial changes made according to scope of the present invention patent and modification, all should belong to the covering scope of patent of the present invention.
Claims (7)
1. combination type customization sewage disposal system, it is characterized in that: include the first materialization system, the first anaerobic system, the second anaerobic system, the first biochemical system, the second biochemical system and the second materialization system successively, first materialization system includes collecting-tank, the first coagulating basin, the first sedimentation tank, regulating reservoir successively, being provided with solid-liquid separating equipment between collecting-tank and the first coagulating basin, the second materialization system includes the second coagulating basin, the second sedimentation tank and sterilization pool successively.
Combination type the most according to claim 1 customization sewage disposal system, it is characterised in that: the first anaerobic system is one or more in CSTR reactor, UASB reactor, USR reactor.
Combination type the most according to claim 1 customization sewage disposal system, it is characterised in that: the first biochemical system is one or more in AO pond, SBR pond, CAST pond, AB reaction tank.
Combination type the most according to claim 1 customization sewage disposal system, it is characterised in that: the second biochemical system is annular BAF or baffled biological aerated filter.
Combination type the most according to claim 1 customization sewage disposal system, it is characterized in that: also include that sludge-tank, the first materialization system, the first anaerobic system, the second anaerobic system, the first biochemical system, the second biochemical system and the second materialization system are all connected with sludge-tank.
Combination type the most according to claim 5 customization sewage disposal system, it is characterised in that: sludge-tank connects sludge dewatering equipment.
Combination type the most according to claim 5 customization sewage disposal system, it is characterised in that: the first sedimentation tank and the second sedimentation tank connect sludge-tank.
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| CN201610303987.3A CN105819626A (en) | 2016-05-09 | 2016-05-09 | Combined customized sewage disposal system |
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| CN201610303987.3A CN105819626A (en) | 2016-05-09 | 2016-05-09 | Combined customized sewage disposal system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106904795A (en) * | 2017-03-31 | 2017-06-30 | 沈阳环境科学研究院 | A kind of milk cattle cultivating waste water treatment process |
| CN107265784A (en) * | 2017-08-08 | 2017-10-20 | 江苏明洲环保工程有限公司 | Multi-layer combined sewage-treatment plant |
| CN109665616A (en) * | 2019-01-09 | 2019-04-23 | 广州嘉康环保技术有限公司 | A kind of aquaculture wastewater anaerobic treatment process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106904795A (en) * | 2017-03-31 | 2017-06-30 | 沈阳环境科学研究院 | A kind of milk cattle cultivating waste water treatment process |
| CN107265784A (en) * | 2017-08-08 | 2017-10-20 | 江苏明洲环保工程有限公司 | Multi-layer combined sewage-treatment plant |
| CN109665616A (en) * | 2019-01-09 | 2019-04-23 | 广州嘉康环保技术有限公司 | A kind of aquaculture wastewater anaerobic treatment process |
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