CN1974441A - Reinforced sewage treating method and apparatus - Google Patents
Reinforced sewage treating method and apparatus Download PDFInfo
- Publication number
- CN1974441A CN1974441A CNA2005101190201A CN200510119020A CN1974441A CN 1974441 A CN1974441 A CN 1974441A CN A2005101190201 A CNA2005101190201 A CN A2005101190201A CN 200510119020 A CN200510119020 A CN 200510119020A CN 1974441 A CN1974441 A CN 1974441A
- Authority
- CN
- China
- Prior art keywords
- sludge
- filler
- metal cage
- mud
- pond
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Activated Sludge Processes (AREA)
Abstract
The present invention is reinforced sewage treating method and apparatus, and belongs to the field of water treating technology. The reinforced sewage treating method includes the treating steps of traditional active sludge process, includes initial deposition, aeration, secondary deposition, sludge concentration, and dewatering sludge, as well as one reinforced culturing step on partial refluxed sludge increased between the aeration step and the secondary deposition step with the stuffing of rod-like humic soil and natural pumice. The reinforced sludge culturing tank has one stainless steel casing, stuffing holding metal cage and stuffing of rod-like humic soil and natural pumice. The present invention has the positive effect of improving sludge characteristic and strengthening sewage treating effect.
Description
Technical field
The invention belongs to the water supply and drainage technical field, be specifically related to a kind of method for the treatment of city waste water and device.
Background technology
Shortage of water resources is the common problem that the many cities of China face, and along with China's rapid economy development, industrialization and urbanization paces are accelerated, urban wastewater discharge increases day by day, wherein very most of sewage is unprocessed just directly to enter water body, and this makes that the many water systems of China are polluted, particularly tap water seedbed severe water pollution, more aggravate the imbalance between supply and demand of water resources, restricted the Sustainable development of China's economy and society.
In order to solve the problem that China's shortage of water resources and municipal effluent environmental pollution increasingly sharpen, China is just advancing the construction of city sewage treatment works with unprecedented speed.No matter from technological design, still from the engineering practice angle, activated sludge process all be present technology the most ripe, use maximum sewage treatment process.Heavy at the beginning of this technology comprises, aeration, two sinks, processes such as mud concentrates, sludge dewatering.Corresponding device thereof comprises preliminary sedimentation tank, aeration tank, secondary sedimentation basins, concentration basin, dehydration pond and interconnects pipeline and transferpump.But still there are some open questions still in the traditional activated sludge process and the technology itself of deriving thereof, show that mainly processing efficiency is low, poor denitrification and dephosphorization effect, and the treatment effect instability, capacity of resisting impact load is poor; Sludge yield is big, and water ratio height, dewatering performance of sludge are poor, is difficult to handle, and has produced a large amount of foul smell in treating processes, has seriously restricted its further promotion and application.
Summary of the invention
The purpose of this invention is to provide a kind of novel reinforced sewage treating method, overcome the above-mentioned shortcoming that traditional activated sludge process exists.
Another object of the present invention provides a kind of novel reinforced sewage treatment unit, in order to realize method of the present invention.
Method of the present invention comprises the first heavy of existing activated sludge process, aeration, two is heavy, mud concentrates, the treatment step of sludge dewatering, the improvement of being done are to have increased the treating processes of utilizing bar-shaped vegetable mould filler and natural pumice filler partial reflux mud to be carried out hot housing between second pond and aeration tank.
Waste disposal plant of the present invention comprises preliminary sedimentation tank, the aeration tank, and second pond, and mud concentrates and dewatering unit.The improvement of being done is to have set up between second pond and aeration tank by stainless steel casing, the metal cage of splendid attire filler in the shell, be contained in bar-shaped vegetable mould filler and natural pumice filler in the cage, filler loading plate and dividing plate with holes, the reinforcement sludge cultivation pool of aerating apparatus.The syntagmatic of reinforcement sludge cultivation pool each several part is: aerating apparatus is installed near the bottom, pond, the filler loading plate that the aerating apparatus upper fixed is with holes is placed metal cage on the loading plate, metal cage and pool wall leave the gap, dress natural pumice in bottom in the metal cage, top dress vegetable mould filler rod.Advance the mud pipe and be positioned at shell upper, connect second pond.Shore pipe is positioned at the shell middle part, connects the aeration tank.
Positively effect of the present invention is by making the active sludge hot housing pond of flowing through, under the acting in conjunction of vegetable mould microorganism and natural pumice, improve the method for sludge characteristics, strengthened sewage treatment effect, having improved the dehydration property of mud.This strengthening treatment process can improve more than 10%, 15% and 30% than the conventional activated sludge process that does not use the culturing sludge pond the clearance of BOD, total nitrogen and total phosphorus, and especially the removal to phosphorus can keep higher usefulness for a long time; The settleability and the dehydration property of mud significantly improve, and can effectively suppress the sludge bulking phenomenon that conventional activated sludge process often occurs, and mud can not use the chemical conditioning agent, directly thickening, and mud is also basic odorless in treating processes.This method and apparatus had both been given full play to the technical superiority of conventional activated sludge process, can effectively overcome simultaneously the problem and shortage that conventional activated sludge process exists again, be a kind of innovation, can be applicable to the construction and the transformation of middle or small sewage treatment widely conventional activated sludge process.
Description of drawings
Fig. 1 is the schema of reinforced sewage treating method of the present invention;
Fig. 2 is the reinforcement sludge cultivation pool structure iron in the waste disposal plant of the present invention.
Embodiment
Provide embodiments of the invention below in conjunction with accompanying drawing.
1, makes reinforcement sludge cultivation pool shown in Figure 2.
With stainless steel plate weldering system cultivation pool shell 1.Establish into mud pipe 2 in the shell upper end, shore pipe 3 is established at the middle part, and evacuated tube 4 is established in the lower end.The volume of shell can be according to the mass conversion of required vegetable mould filler rod, and required vegetable mould filler rod is equivalent to design day quality of removal BOD.Adorn cylindrical stainless steel wire basket 5 in the shell.Wire basket has the gap of 5-10cm apart from shell wall.With stainless steel separator with holes 6 wire basket is divided into upper and lower two portions space, the volume below the dividing plate is 2 times of volumetrical above the dividing plate.Fill natural pumice filler 7 in the cage below the dividing plate, natural pumice is selected the in irregular shape natural pumice of particle diameter about 3-5cm.Fill vegetable mould filler rod 8 in the cage above the dividing plate.The vegetable mould filler rod can be long through the 4cm that mixes, dries, compacting forms by materials such as vegetable mould, clay, tamanoris, and the cylinder of diameter 1-1.5cm is also bought finished product on the market abroad.The wire basket of filling material is installed in and is positioned on the stainless steel supporting plate 9 with holes of shell bottom, and supporting plate and shell fix, and the supporting plate below is an aerating apparatus 10.Below promptly finish manufacturing of reinforcement sludge cultivation pool.Connect pipeline between mud pipe 2 and the second pond and the pipeline between shore pipe 3 and the aeration tank.Connect the source of the gas of aerating apparatus in the cultivation pool, promptly form waste disposal plant of the present invention.
2, use the sewage disposal flow process of method of the present invention and device.
As shown in Figure 1, sewage enters preliminary sedimentation tank through the big solid particulate of grid removing, behind the separate part inorganic pollutant, enters the aeration tank, and then enters second pond, the treatment condition same prior art of sewage in just heavy, aeration, two sinks processes.To pump into the culturing sludge pond from the part of the effusive returned sluge of the second pond 5-10% of flow (be equivalent to dispose of sewage), active sludge is to be back to the aeration tank in 24-48 hour then in the culturing sludge pond residence time.The working conditions of cultivation pool is: MLSS maintains 8, and 000-10 is about 000mg/L; Dissolved oxygen is about 0.5mg/L; Per 24 hours aerations of cultivation pool 12 hours.Filler in the metal cage can be changed once in 1 year.
Vegetable mould microorganism in cultivation pool and float stone filler are to the acting in conjunction of active sludge, and minimal amounts of dissolved oxygen and stirring that aerating apparatus provided, the performance of active sludge is improved, improved the second pond effluent quality, reduced the quantity discharged of mud, improve the dehydration property of mud, overcome the deficiency that traditional activated sludge process exists.
Claims (2)
1, a kind of novel reinforced sewage treating method, comprise the first heavy of existing activated sludge process, aeration, two is heavy, mud concentrates, treatment steps such as sludge dewatering is characterized in that: increased the treating processes of utilizing bar-shaped vegetable mould filler and natural pumice filler partial reflux mud to be carried out hot housing between two heavy and aerations.
2, a kind of novel reinforced sewage treatment unit, the preliminary sedimentation tank that comprises existing activated sludge process, the aeration tank, second pond, and mud is concentrated and dewatering unit, it is characterized in that: set up between second pond and aeration tank by stainless steel casing (1), the metal cage (5) of splendid attire filler in the shell, be contained in natural pumice filler (7) and bar-shaped vegetable mould filler (8) in the cage, metal cage supporting plate (9) with holes, the reinforcement sludge cultivation pool that aerating apparatus (10) constitutes; The syntagmatic of reinforcement sludge cultivation pool each several part is: aerating apparatus (10) is installed in the shell inner bottom part, aerating apparatus upper fixed metal cage supporting plate (9), supporting plate (9) is gone up and is placed metal cage (5), metal cage and pool wall leave the gap, horizontal baffle with holes (6) is arranged in the metal cage, the following dress of dividing plate natural pumice filler (7), the above dress of dividing plate vegetable mould filler rod (8), cultivation pool advances mud pipe (2) and is positioned at the metal cage top, shore pipe (3) is positioned at the shell middle part, advance mud pipe (2) and connect the second pond mud return line, shore pipe (3) connects the aeration tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005101190201A CN1974441A (en) | 2005-11-28 | 2005-11-28 | Reinforced sewage treating method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005101190201A CN1974441A (en) | 2005-11-28 | 2005-11-28 | Reinforced sewage treating method and apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1974441A true CN1974441A (en) | 2007-06-06 |
Family
ID=38124837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005101190201A Pending CN1974441A (en) | 2005-11-28 | 2005-11-28 | Reinforced sewage treating method and apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1974441A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367678B (en) * | 2008-09-27 | 2011-09-21 | 哈尔滨工业大学 | Uses of amendment in sludge composting |
| CN102849902A (en) * | 2012-09-28 | 2013-01-02 | 天津莱特化工有限公司 | Oil-containing wastewater treatment technology by means of biofortification |
| CN105271618A (en) * | 2015-11-10 | 2016-01-27 | 北京沐萱鑫业环保技术有限公司 | Sewage enhanced treatment system and method |
| CN115072881A (en) * | 2022-03-02 | 2022-09-20 | 上海尼普敦环境科技有限公司 | Biological sewage treating method by soil condensation |
-
2005
- 2005-11-28 CN CNA2005101190201A patent/CN1974441A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367678B (en) * | 2008-09-27 | 2011-09-21 | 哈尔滨工业大学 | Uses of amendment in sludge composting |
| CN102849902A (en) * | 2012-09-28 | 2013-01-02 | 天津莱特化工有限公司 | Oil-containing wastewater treatment technology by means of biofortification |
| CN105271618A (en) * | 2015-11-10 | 2016-01-27 | 北京沐萱鑫业环保技术有限公司 | Sewage enhanced treatment system and method |
| CN105271618B (en) * | 2015-11-10 | 2018-09-11 | 北京沐萱鑫业环保技术有限公司 | Reinforced sewage processing system and method |
| CN115072881A (en) * | 2022-03-02 | 2022-09-20 | 上海尼普敦环境科技有限公司 | Biological sewage treating method by soil condensation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100545103C (en) | Active sludge-biomembrane compounding integral sewage treating method and device thereof | |
| CN101318735B (en) | Sewage water denitrification processing method of artificial rapid infiltration system and application thereof | |
| CN101289263B (en) | Integral sewage disposal process for strengthening sludge filtrating technology | |
| CN102249496A (en) | Method for advanced treatment of sewage and artificial wetland structure | |
| CN103539324B (en) | Biological ceramsite device for deeply treating domestic wastewater as well as process thereof | |
| CN101066808A (en) | Ventilating and baffling artificial wetland simulator | |
| CN103936148A (en) | Constant-effluent variable-load SVBR sewage processing technology | |
| CN102976548A (en) | Zero emission district sewage resource treatment apparatus | |
| CN106966505A (en) | A kind of A that processing is cracked including eddy flow2O sewage water treatment methods and device | |
| CN102897975A (en) | Sewage treatment method of town blocks | |
| Li et al. | Distributed treatment of rural environmental wastewater by artificial ecological geographic information system | |
| Anh et al. | Decentralized wastewater treatment-new concept and technologies for Vietnamese conditions | |
| CN101905925A (en) | Method for treating dispersed domestic sewage in rural areas by using sequencing batch mineralized waste wetland bed | |
| CN1974441A (en) | Reinforced sewage treating method and apparatus | |
| CN203582658U (en) | Multi-stage aeration reclaimed water treatment system for medium and small towns | |
| CN219194752U (en) | Rural rain and sewage split-flow treatment integrated device | |
| CN101885563A (en) | SBR+ artificial wetland combined treatment system for domestic sewage recycling | |
| CN111302483A (en) | Efficient coupling type circulating rural sewage treatment device | |
| CN205773960U (en) | A kind of rural domestic sewage treating device | |
| AU2021100242A4 (en) | A Centrifugal Rotating Wastewater Purification Device | |
| CN210796140U (en) | Domestic sewage treatment device | |
| CN201817310U (en) | Reactor for magnetic flocculation enhanced phosphorus removal from wastewater | |
| CN109775928B (en) | Filler matrix for treating landfill leachate and preparation method and application thereof | |
| CN203845911U (en) | Multi-medium biological contact vertical composite underflow artificial wetland | |
| CN209890436U (en) | Integrated stabilization pond equipment for treating dispersive sewage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |