CN109095605A - A kind of biological rope purification system - Google Patents
A kind of biological rope purification system Download PDFInfo
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- CN109095605A CN109095605A CN201810988036.3A CN201810988036A CN109095605A CN 109095605 A CN109095605 A CN 109095605A CN 201810988036 A CN201810988036 A CN 201810988036A CN 109095605 A CN109095605 A CN 109095605A
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- Prior art keywords
- tank
- anaerobism groove
- purification system
- biological rope
- 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
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- 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
- C02F2209/22—O2
Abstract
The invention belongs to sewage purification fields, it is related to household sewage processing, more particularly to a kind of biological rope purification system, including sequentially connected conditioning tank, measuring tank, anoxic slot, anaerobism groove, aeration tank and precipitation tank, flow control valve is equipped between conditioning tank and measuring tank, collecting methane pipeline is provided at the top of anaerobism groove, anaerobism groove is provided with temperature controller and detection mouth, the temperature of anaerobism groove is controlled at 30-40 DEG C, the anaerobism groove passes through removing sludge recovery channel respectively with anoxic pond and is connected to the aeration tank, the precipitation tank is connected to the aeration tank by precipitating sludge pipeline, aerator is equipped in the aeration tank.Of the invention is preferentially: good purification, microorganism are avoided that degraded pond is smelly using height.
Description
Technical field
The invention belongs to sewage purification fields, are related to household sewage processing more particularly to a kind of biological rope purification system.
Background technique
In recent years, with the raising of the rapid development of industrial or agricultural and living standards of the people, a large amount of industrial wastewater, agricultural are useless
Water and sanitary sewage flow into ocean, lake and river, cause serious water pollution, and water eutrophication problem is also increasingly tight
Weight.Studies have shown that most of pollutant is mainly organic pollutant in water, optimization process method is biological treatment, because comparing
In chemistry and materializing strategy, biological treatment treatment effect is preferable, and invests lower with operating cost.Currently, at most of sewage
Reason reaction unit often uses single anaerobism or aerobic form, does not adapt to the sewage of different industries, and is discharged often not
Discharge standard can be reached, therefore generally require to connect in aerobic reaction device and anaerobic reaction device.However, existing good
Oxygen reaction unit and anaerobic reaction device structure are simple, cause its treatment effect limited.
1970s have researched and developed small-sized combination type sewage purifier, 1980,1988 successively two degrees modification " purifications
Slot constructs standard ", it is not only used to large-scale sanitary sewage in processing building etc. from this purification tank, and be more used for several families
The household sewage processing at only family.
Application No. is the patents of CN201621276156.3 to provide a kind of integrated rural sewage purifier, using anaerobism
With the aerobic mode combined, and utilize MBR film carry out denitrification, promoted effluent quality.But the pre-treatment of the invention
Only filtering and impurity removing, and microbiological anaerobic reaction needs stringent PH to require and temperature requirement, the otherwise processing function of anaerobic pond
It is and bad, it is easy to cause smelly.
The effectively parameter of control microbial reaction needs, meanwhile, it is added in sewage disposal system between aerobic and anaerobism
Between anaerobic environment, can better decomposing organic matter, reach regulation effect.
Summary of the invention
In view of the above problems, the present invention proposes a kind of biological rope purification system, combined by anaerobism, anoxic, aeration micro-
Biological treating mode handles sewage, and purification efficiency is high, good purification.
In order to achieve the above object, the present invention is achieved through the following technical solutions: a kind of biological rope purification system, including according to
Conditioning tank, measuring tank, anoxic slot, anaerobism groove, aeration tank and the precipitation tank of secondary connection are equipped with flow between conditioning tank and measuring tank
Control valve, anaerobism groove top are provided with collecting methane pipeline, and anaerobism groove is provided with temperature controller and detection mouth, the temperature of anaerobism groove
At 30-40 DEG C, the anaerobism groove passes through removing sludge recovery channel respectively with anoxic pond and is connected to the aeration tank, described for degree control
Precipitation tank is connected to the aeration tank by precipitating sludge pipeline, is equipped with aerator in the aeration tank.
Sewage enters conditioning tank, come acid adding or adds alkali by observation pH tester, and the pH for adjusting sewage is controlled in neutrality,
Treated sewage is used to count the discharge amount of sewage by entering measuring tank, measuring tank after flow control valve, meanwhile, because dirty
Water needs to stop 48h or more in anaerobism groove, and the sewage quantity of subsequent technique is adjusted by control flow control valve, at this point,
Conditioning tank and measuring tank can also play buffer function.Later, sewage passes sequentially through anoxic slot, anaerobism groove and aeration tank and is given birth to
Change processing, wherein the sludge obtained after the processing of aeration tank can flow back into anoxic slot and anaerobism groove by removing sludge recovery channel,
The main function of anoxic slot is denitrogenation, the absorption of activated sludge, by the nitrite nitrogen and nitrate nitrogen in reflux removing sludge
Nitrogen release, 2NO are generated under the action of denitrifying bacterium2 -+3H2—N2+2H2O+2OH-,NO3 -+5H2—N2+4H20+2OH-, detest
Oxygen slot is main microbial degradation place, most of organic matter of degrading, while generating biogas (methane), CaHbOc+H2O—CH4+
CO2, collecting methane pipeline is collected processing and utilization to the gas of generation, improves resource utilization, and anaerobism groove also rises and releases phosphorus
Organic matter reaction in reflux removing sludge is generated phosphate radical by effect, and anaerobe is higher to temperature requirement, and the present invention will be warm
Degree control further preferably 30-33 DEG C, maximizes the degradation capability of microorganism, while keeping microorganism at 30-40 DEG C
Activity avoids the occurrence of the smelly situation of anaerobic pond, and an aerobic environment is built by aerator in aeration tank, is conducive to aerobic micro- life
The growth of object carries out the absorption of aerobic activated sludge, while degradation of organic substances, is CO2 and H2O by oxidation operation, by nitrogen member
Element is oxidized to nitrite nitrogen and nitrate nitrogen, and P elements are oxidized to phosphate radical, and polyP bacteria can absorb under aerobic environment
Times over the phosphate radical under anaerobic condition.Anoxic pond, anaerobic pond and aeration tank are serially connected, and are influenced each other, maximized to be promoted
Degradation effect.Sewage is after microbiological treatment, and into precipitation tank, after sludge settling, supernatant liquor can reach discharge mark
Standard is discharged, and can be returned by precipitating sludge recovery channel in the sludge precipitated because there are many active microorganisms
To aeration tank, the utilization rate of microorganism is improved.
Preferably, the conditioning tank is provided with PH tester, and the pH for controlling sewage is 6-8.5, and PH is wanted in microbial degradation
It asks higher, especially anaerobism groove, keeps the PH of neutral left and right that can keep microbial activity, improve degradation efficiency.
Further preferably, the PH for controlling sewage is 6.5-7.5, the optimum PH environment of anaerobic bacteria.
Preferably, the anoxic slot and aeration tank are equipped with blender, in actual motion, by sludge concentration, reflux,
Maintenance of equipment etc. influences, and the bottom of microbial reaction slot is easy settled sludge.On the one hand sludgd deposition causes a large amount of sludge dead
And float, cause the presentation of improper operation；On the other hand since settled sludge occupies active sludge treatment space, make micro- life
Object degradation reduces and even loses treatment effect, the setting of blender, to avoid the accumulation of sludge, can improve the degradation effect of microorganism
Rate.
Preferably, the conditioning tank is equipped with sewage draining exit, and conditioning tank can play the role of preliminary sedimentation and separation simultaneously, compared with
Big solid particle can be discharged after conditioning tank precipitating through sewage draining exit.
Preferably, the anoxic slot is equipped with relief valve, and what object was biological in anoxic slot is degraded to generation gas, since it is desired that letting out
Pressure valve carrys out the stable gas pressure in control flume.
Preferably, the removing sludge recovery channel and precipitating sludge recovery channel are equipped with suction pump, provide power.
Preferably, the bottom of the anaerobism groove is additionally provided with biogas and is passed through pipeline, and the biogas is passed through pipeline outside anaerobism groove
It is connected to the collecting methane pipeline, a tributary return anaerobism groove formation biogas is separated from collecting methane pipeline and is passed through pipeline, benefit
It is played the role of stirring with biogas stream, it is energy saving, it avoids sludge from accumulating, microorganism and sewage is allowed to come into full contact with, improve drop
Efficiency is solved, meanwhile, it is in biogas because not oxygenous, the low-oxygen environment of anaerobism groove can be stablized, guarantee the activity of anaerobe.
Preferably, the dissolved oxygen of the anoxic slot is 0.2-0.5mg/L, and the dissolved oxygen of anaerobism groove is less than 0.2mg/L, aeration
The dissolved oxygen in pond is 1-4mg/L, the flow velocity (control flow control valve) that the dissolved oxygen of anoxic slot and anaerobism groove passes through control water flow
Stablize oxygen content, the dissolved oxygen of aeration tank has aerator to adjust, and provides microorganism suitable degradation environment, improves drop
Solve efficiency.
Preferably, the sewage stops at least for 24 hours in anaerobism groove, and anaerobic bacteria carries out anaerobic reaction and needs the regular hour,
The sufficient reaction time is provided to ensure the clean-up effect of sewage.
Of the invention is preferentially:
(1) by anaerobism, anoxic, aeration in conjunction with microbial treatment mode handle sewage, good purification.
(2) it provides microorganism suitable reaction condition, greatly improves degradation efficiency, avoid the occurrence of that degraded pond is smelly to be showed
As.
(3) removing sludge return pipe and precipitating sludge reflux line is set up, on the one hand can allow what sewage degraded more to fill
Point, the utilization rate of microorganism in addition can be improved, excessive microbe colony is avoided to be discharged with sewage.
Detailed description of the invention
Attached drawing 1 is flow diagram of the invention.
Specific embodiment
This specific implementation method is only explanation of the invention, is not limitation of the present invention.Those skilled in the art
Member's any change made after having read specification of the invention, as long as within the scope of the claims, it all will be by
To the protection of Patent Law.
Embodiment 1:
As shown in Fig. 1, a kind of biological rope purification system is connected with conditioning tank, measuring tank, anoxic slot, anaerobism groove, aeration in turn
Pond and precipitation tank.Sewage enters from conditioning tank, carries out acid-base neutralization in conditioning tank, adjusts PH to 6.5-7.5, by itself
Sedimentation separates the solid impurity precipitating of initial gross separation by sewage draining exit, and sewage enters measuring tank by flow control valve later,
The water for entering subsequent microbial reaction is adjusted, with dissolved oxygen instrument come the dissolved oxygen in test trough, by the dissolved oxygen in anoxic slot
The dissolved oxygen control controlled in 0.2-0.5mg/L, anaerobism groove is being less than 0.2mg/L, by aerator by the molten of aeration tank
Oxygen control is solved in 1-4mg/L, is controlled the temperature in anaerobism groove at 30-33 DEG C by temperature controller, meanwhile, sewage is in anaerobism
Slot should stop more than for 24 hours, provide anaerobe suitable environment and enough degradation times, sewage pass sequentially through anoxic slot,
Anaerobism groove and aeration tank, in the degradation reaction for the absorption and organic matter for wherein carrying out activated sludge, anoxic slot is mainly used for denitrogenation,
Anaerobism groove is mainly used for releasing phosphorus, after aeration tank degrades to organic matter, by removing sludge pipe for sludge reflux to anoxic
Slot and anaerobism groove carry out internal denitrification, more thoroughly degrade to sewage, and anoxic slot and aeration tank are all provided with organic
Tool blender improves the degradation efficiency of microorganism, the biogas utilization collecting methane pipe that anaerobism groove generates to being stirred in slot
Road is collected, meanwhile, collection conduit is shunted, part biogas returns to anaerobism groove, and allowing in anaerobism groove has air-flow to be formed, from
And sewage and activated sludge (microorganism) in slot is driven to be sufficiently mixed, organic matter is adequately degraded.At microorganism
Sewage after reason has substantially met the emission request of waste water, and in precipitation tank, after sludge settling, supernatant liquor can be carried out
Discharge, and because there are many active microorganism aeration can be returned to by precipitating sludge recovery channel in the sludge precipitated
The reaction was continued in pond, improves the utilization rate of microorganism.
The present invention has been applied in real life, by taking design discharge is 3 ton/days of biological rope purification system as an example, into
Effluent quality is as follows:
The average removal rate that the average removal rate of existing sanitary sewage disposal technology COD is 75%, BOD is 60%, NH4- N's is averaged
The average removal rate that removal rate is 70%, TP is 50%, it is found that ideal purification effect of the present invention to sanitary sewage.
Displacement is 120L/m per capita for rural area3* the service population of d, single small-sized biological rope purification system are about 25
People, handling sewage quantity year is 1095 tons, and COD average removal rate is 80%, then year COD emission reduction is 262.8kg, ammonia nitrogen emission reduction
For 24.64kg, total phosphorus emission reduction is 3.83kg.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of biological rope purification system, including sequentially connected conditioning tank, measuring tank, anoxic slot, anaerobism groove, aeration tank and heavy
Shallow lake slot, it is characterised in that: be equipped with flow control valve between conditioning tank and measuring tank, be provided with collecting methane pipe at the top of anaerobism groove
Road, anaerobism groove are provided with temperature controller and detection mouth, and the temperature of anaerobism groove is controlled at 30-40 DEG C, the anaerobism groove and anoxic
Pond passes through removing sludge recovery channel respectively and is connected to the aeration tank, and the precipitation tank is connected to the exposure by precipitating sludge pipeline
Gas pond is equipped with aerator in the aeration tank.
2. a kind of biological rope purification system according to claim 1, it is characterised in that: the conditioning tank is provided with pH test
Instrument, the pH for controlling sewage is 6-8.5.
3. a kind of biological rope purification system according to claim 2, it is characterised in that: the pH for controlling sewage is 6.5-7.5.
4. a kind of biological rope purification system according to claim 1, it is characterised in that: the anoxic slot and aeration tank are all provided with
There is blender.
5. a kind of biological rope purification system according to claim 1, it is characterised in that: the conditioning tank is equipped with sewage draining exit.
6. a kind of biological rope purification system according to claim 1, it is characterised in that: the anoxic slot is equipped with relief valve.
7. a kind of biological rope purification system according to claim 1, it is characterised in that: the removing sludge recovery channel and
Precipitating sludge recovery channel is equipped with suction pump.
8. a kind of biological rope purification system according to claim 1, it is characterised in that: the bottom of the anaerobism groove is additionally provided with
Biogas is passed through pipeline, and the biogas is passed through pipeline and is connected to the collecting methane pipeline outside anaerobism groove.
9. a kind of biological rope purification system according to claim 1, it is characterised in that: the dissolved oxygen of the anoxic slot is
0.2-0.5mg/L, the dissolved oxygen of anaerobism groove are less than 0.2mg/L, and the dissolved oxygen of aeration tank is 1-4mg/L.
10. a kind of biological rope purification system according to claim 1, it is characterised in that: the sewage is stopped in anaerobism groove
At least for 24 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810988036.3A CN109095605A (en) | 2018-08-28 | 2018-08-28 | A kind of biological rope purification system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810988036.3A CN109095605A (en) | 2018-08-28 | 2018-08-28 | A kind of biological rope purification system |
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| CN109095605A true CN109095605A (en) | 2018-12-28 |
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| CN201810988036.3A Pending CN109095605A (en) | 2018-08-28 | 2018-08-28 | A kind of biological rope purification system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140197097A1 (en) * | 2010-09-20 | 2014-07-17 | American Water Works Company, Inc. | Simultaneous Anoxic Biological Phosphorus and Nitrogen Removal with Energy Recovery |
| CN104628226A (en) * | 2015-01-15 | 2015-05-20 | 常州大学 | Integrated farm waste treatment system |
| CN108358312A (en) * | 2018-03-29 | 2018-08-03 | 安徽省天虹绿洲环保科技有限公司 | A kind of anaerobic reactor for sewage disposal |
-
2018
- 2018-08-28 CN CN201810988036.3A patent/CN109095605A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140197097A1 (en) * | 2010-09-20 | 2014-07-17 | American Water Works Company, Inc. | Simultaneous Anoxic Biological Phosphorus and Nitrogen Removal with Energy Recovery |
| CN104628226A (en) * | 2015-01-15 | 2015-05-20 | 常州大学 | Integrated farm waste treatment system |
| CN108358312A (en) * | 2018-03-29 | 2018-08-03 | 安徽省天虹绿洲环保科技有限公司 | A kind of anaerobic reactor for sewage disposal |
Non-Patent Citations (3)
| Title |
|---|
| DAHL OLLI: "《环境管理和控制》", 31 May 2014, 中国轻工业出版社 * |
| 太湖水环境修复示范项目技术专家组: "《高度处理净化槽结构设计与维护管理指南》", 30 April 2007, 中国环境科学出版社 * |
| 王彦斌等: "《化工环境污染与防治》", 31 July 2000, 民族出版社 * |
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