CN102701518B - Pretreatment system for organic domestic wastewater - Google Patents
Pretreatment system for organic domestic wastewater Download PDFInfo
- Publication number
- CN102701518B CN102701518B CN 201210151658 CN201210151658A CN102701518B CN 102701518 B CN102701518 B CN 102701518B CN 201210151658 CN201210151658 CN 201210151658 CN 201210151658 A CN201210151658 A CN 201210151658A CN 102701518 B CN102701518 B CN 102701518B
- Authority
- CN
- China
- Prior art keywords
- pond
- tank
- sedimentation tank
- hard filler
- filler
- 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.)
- Expired - Fee Related
Links
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention belongs to the technical field of wastewater treatment, and particularly relates to a pretreatment system for organic wastewater. The pretreatment system provided by the invention mainly comprises a sludge tank, a primary sedimentation tank, a soft filler tank, a hard filler tank and a collecting tank which are connected in series, wherein the primary sedimentation tank is a horizontal flow sedimentation tank, is internally provided with a sludge pump, and periodically discharges sludge into the sludge tank; the top end of a partition wall of the sludge tank is provided with a through hole, and supernatant flows into the primary sedimentation tank from the through hole; the supernatant in the primary sedimentation tank is discharged into the soft filler tank and the hard filler tank in turn, and finally is integrated into the collecting tank, so as to exert the effect of the wastewater pretreatment. According to the invention, alkaline hard filler is adopted, organic acids which are generated in the earlier simple fermentation process for producing acid with organic matters are neutralized, so the pH value of the overall wastewater can be increased, the stage that wastewater produces biogas can be slowed or separated, and the hydrolysis of complex organic matters is facilitated; meanwhile, the running line is a back flow mode, the dead area of wastewater in the tank body can be reduced, and the operating efficiency of an anaerobic facility can be improved; and the system disclosed by the invention is good in acidification and hydrolysis effect of wastewater, high in efficiency, and low in investment.
Description
Technical field
The invention belongs to technical field of sewage, be specifically related to a kind of sewage marsh gas purifying pond that utilizes as the pretreatment system of the higher breeding wastewater of Pollutant levels, food processing and production waste water and domestic organic sewage etc.
Background technology
Complicated organic anaerobic biodegradation process mainly comprises hydrolysis, acidogenic fermentation and product methane three phases, and wherein hydrolytic process is to be converted into simple solvability monomer or dimeric process under the effect with organic substance lytic enzyme outside the acid formers born of the same parents of the non-solubility of complexity.For difficult degradation or macromolecule organic, this process is usually comparatively slow, is the rate-limiting step of such organic matter degradation.
The existing organic waste water of high density is processed in earlier stage mainly is take anaerobically fermenting as main, and the biogas of generation can be used as energy reuse, and biogas residue and biogas liquid can be used as Fertilizer application.And to organic concentration higher (for example, organic concentration is less than 0.1%) waste water such as breeding wastewater, food processing and production waste water and sanitary sewage, the economic worth of methane recovery is not enough to offset the expense that anaerobically fermenting produces, and mainly processes with biochemical reaction.For reducing the COD content in the waste water, process or pretreatment process as early stage take acidizing hydrolyzation tank or anaerobic pond, carry out complicated organic acidication by the operating method that prolongs hydraulic detention time.Hydraulic detention time is long, and Installed capital cost strengthens, and easily fermentation methane production or acidifying are serious in the body of pond for sewage, cause sewage smelly; Hydraulic detention time is too short, is not easy to reach the purpose to the organic acidication of complexity.
A kind of sewage marsh gas purifying pond that the present invention mentions combines the advantage of traditional biogas fermentation, only get the Hydrolysis Acidification of fermenting process, interrupt marsh gas fermentation processes, the lifting sewage pretreating effect, promote later stage technique to wastewater treatment efficiency, have the advantages such as the sewage acidification hydrolization is effective, efficient is high, reduced investment.
Summary of the invention
The objective of the invention is for existing hydrolysis acidification pool or anaerobic pond not obviously to complicated hydrolysis of organic matter acidizing effect, provide that the sewage acidification hydrolization is effective, efficient is high, the pretreatment system of the organic sanitary wastewater of reduced investment.
The pretreatment system of the organic sanitary wastewater that the present invention proposes adopts a kind of sewage marsh gas purifying pond, and whole pond body is underground type, steel reinforced concrete or brick mix structure, as shown in Figure 1.Be composed in series by sludge sump 1, preliminary sedimentation tank 2, soft-filler pond 3, hard filler pond 4, water collecting basin 5, inspection port 7 is established on the top, wherein:
Described preliminary sedimentation tank 2 is rectangular sedimentation tank, is provided with bucket near the feed-water end bottom, built-in sludge pump, and interval discharging mud enters sludge sump 1.
The hole is left on described sludge sump 1 partition wall top, and supernatant liquid is from flowing into preliminary sedimentation tank 2, and sludge sump 1 interior stage casing is provided with bucket, built-in sludge pump, and unnecessary mud can be incorporated in the methane-generating pit, ferments or individual curing.
Described soft-filler pond 3 can arrange 1 to 5, in the pond growth with adhere to the bigger serface microorganism, improve the biomass in the unit volume.Its Main Function is to prevent from stopping up.
Described hard filler pond 4 can arrange 1 to 5, place hard filler in the hard filler pond 4, described hard filler can adopt alkaline hard filler, such as slag, haydite, green stone and Wingdale etc., the organic acid that its Main Function is to neutralize and produces in the simple organic acidogenic fermentation process early stage, improve the pH of waste water, be conducive to complicated organic hydrolysis; Hard filler surface attachment microorganism is beneficial to promote the biomass of unit volume in the pond, and hard filler has filteration, is conducive to hold back the pollution substance in the waste water, promotes the biological degradation of waste water; Simultaneously, alkaline matter has a chemical precipitation that is beneficial to waste water principal pollutant matter phosphorus.
Preliminary sedimentation tank 2 interior supernatant liquids enter soft-filler pond 3 and hard filler pond 4 successively, incorporate at last in the water collecting basin 5, reach the effect of pretreating sewage.
The sewage running route in described soft-filler pond 3 and hard filler pond 4 is up plug-flow forward of bottom, pond, can effectively prevent from stopping up.
Described soft-filler pond 3 and 4 next doors, hard filler pond are respectively equipped with distribution reservoir 8, and water distribution is carried out by distribution reservoir 8 in soft-filler pond 3 and hard filler pond 4.
Described sewage marsh gas purifying pond sewage running route is deflector type, reduces sewage at the dead angle of Chi Tizhong.
Among the present invention; if sewage marsh gas purifying pond is as the pre-treatment facility of ecological sewage treatment method; such as artificial swamp, ecological pond etc.; can in the distribution reservoir in last hard filler pond 4, aerator be set and carry out little aeration; hard filler can use the lighter haydite of quality or other biological protruded packing; but the efficient of the follow-up facility of Effective Raise reduces anerobic sowage and processes the smell that distributes.
The present invention can be used for pre-treatment or the preliminary treatment of the higher breeding wastewater of Pollutant levels, food processing and production waste water and sanitary sewage etc.
Description of drawings
Fig. 1 is structural diagrams of the present invention.
Number in the figure: 1 is sludge sump, and 2 is preliminary sedimentation tank, and 3 is the soft-filler pond, and 4 is the hard filler pond, and 5 is water collecting basin, and 6 is water inlet pipe, and 7 is inspection port, and 8 is distribution reservoir.
Embodiment
Below by example in detail step of the present invention:
With reference to shown in Figure 1, device adopts steel and concrete structure.
Wastewater source: peasant household raises milk cow draining, intermountain runoff and sanitary sewage mixture scattered, and water body is black, frowziness, and there is scum silica frost on the upper strata.
The present invention is composed in series by sludge sump 1, preliminary sedimentation tank 2, two soft-filler ponds 3, three hard filler ponds 4, water collecting basins 5, and inspection port 7 is established on the top, is described as follows:
Sewage enters preliminary sedimentation tank 2 from water inlet pipe 6 after sewage network is collected and utilized the grid slagging-off, preliminary sedimentation tank 2 be rectangular sedimentation tank, stays bucket bottom feed-water end, built-in sludge pump, interval spoil disposal enter sludge sump 1.Preliminary sedimentation tank 2 interior supernatant liquids enter in the distribution reservoir 8 in the soft-filler pond 3 that is attached thereto, and the material of soft-filler is the fine synthetic fibre of hydroformylation, and shape is like pasture and water, and the soft-filler upper end is 20cm from liquid level, and the lower end is 50cm at the bottom of the pond.By incorporating into behind two soft-filler ponds 3 in the hard filler pond 4 that is attached thereto, different hard fillers is filled in three hard filler ponds 4 to sewage, is respectively green stone, Wingdale and haydite pond by water (flow) direction continuously.4 lower ends, hard filler pond arrange filter plate, filter plate flying height 40cm, and cobble supporting layer and the thickness of establishing thickness on the filter plate and be 10cm are the 100cm hard filler.Sewage is continuously by incorporating in the water collecting basin 5 behind three hard filler ponds 4.Enter the subsequent processing section by lift pump.Mud enters the sludge sump 1 from preliminary sedimentation tank 2, and through hole is left on sludge sump 1 and preliminary sedimentation tank 2 adjacent partition wall tops, and supernatant liquid flows into preliminary sedimentation tank 2 from through hole, and bucket is established, built-in sludge pump in sludge sump 1 interior stage casing.Preliminary sedimentation tank 2 interior sludge pumps move weekly 15 minutes, and sludge sump 1 interior sludge pump is that every three months moves once, is transported to landfill yard by silt pumping car and carries out landfill disposal.
Because what the follow-up treating processes of the present invention adopted is the Ecological Disposal way, follow-up sewage directly contacts with atmosphere, for strengthening the operational efficiency of follow-up ecological wastewater processing facility, 4(haydite pond, a hard filler pond in the end) distribution reservoir 8 interior one of the 500w aerator that arrange, every day operation 3 hours.
After sewage was processed through sewage marsh gas purifying pond, water body was canescence, odorless.By water quality monitoring (WQM) as can be known, influent COD cr=805 mg/L, TN=67 mg/L, TP=9.7mg/L, water outlet behind the biogas sewage purifier: CODcr=536 mg/L, TN=54 mg/L, TP=8.5mg/L, water quality has obtained obvious improvement.
Concrete technical parameter:
Available depth=2m, superelevation=40cm, hydraulic loss=5cm, hydraulic detention time=72 h,
Chi Rong ratio: sludge sump 1: preliminary sedimentation tank 2: soft-filler pond 3: hard filler pond 4: water collecting basin 5=1:2:2:4:2, wherein, two soft-filler Chi3Chi hold and equate, 4 Parallel to the flow direction ponds, three hard filler ponds hold than being 1:1:2, and distribution reservoir is 10:1 with corresponding filler pool volume ratio.
Claims (3)
1. the pretreatment system of a domestic organic waste water, it is characterized in that being a kind of sewage marsh gas purifying pond, whole pond body is underground type, and steel reinforced concrete or brick mix structure are composed in series by sludge sump (1), preliminary sedimentation tank (2), soft-filler pond (3), hard filler pond (4), water collecting basin (5); Inspection port (7) is established on the top, wherein:
Described preliminary sedimentation tank (2) is rectangular sedimentation tank, is provided with bucket near the feed-water end bottom, and discharging mud enters sludge sump (1) in the built-in sludge pump, preliminary sedimentation tank (2);
Through hole is left on described sludge sump (1) partition wall top, and sludge sump (1) supernatant liquid flows into preliminary sedimentation tank (2) from through hole, and the interior stage casing of sludge sump (1) is provided with bucket, and built-in sludge pump enters unnecessary mud in the methane-generating pit, ferments or individual curing;
Described soft-filler pond (3) arranges 1 to 5, in soft-filler pond (3) growth be attached with the bigger serface microorganism, stop up preventing;
Described hard filler pond (4) arranges 1 to 5, places alkaline hard filler in hard filler pond (4), comprises slag, haydite, green stone and Wingdale; Alkalescence hard filler surface attachment has microorganism;
The sewage running route of described soft-filler pond (3) and hard filler pond (4) is up plug-flow forward of bottom, pond;
The interior supernatant liquid of described preliminary sedimentation tank (2) enters soft-filler pond (3) and hard filler pond (4) successively, incorporates at last in the water collecting basin (5);
The next door of described soft-filler pond (3) and hard filler pond (4) is respectively equipped with distribution reservoir (8), and soft-filler pond (3) and hard filler pond (4) carry out water distribution by distribution reservoir (8).
2. the pretreatment system of domestic organic waste water according to claim 1 is characterized in that being provided with in the distribution reservoir in last hard filler pond (4) aerator for little aeration.
3. the pretreatment system of domestic organic waste water according to claim 1 is characterized in that the sewage running route is deflector type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210151658 CN102701518B (en) | 2012-05-16 | 2012-05-16 | Pretreatment system for organic domestic wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210151658 CN102701518B (en) | 2012-05-16 | 2012-05-16 | Pretreatment system for organic domestic wastewater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102701518A CN102701518A (en) | 2012-10-03 |
| CN102701518B true CN102701518B (en) | 2013-10-16 |
Family
ID=46894658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210151658 Expired - Fee Related CN102701518B (en) | 2012-05-16 | 2012-05-16 | Pretreatment system for organic domestic wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102701518B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI616408B (en) * | 2017-02-09 | 2018-03-01 | 中國鋼鐵股份有限公司 | Apparatus of treating organic sludge and application thereof |
| CN108689549A (en) * | 2017-04-12 | 2018-10-23 | 天津华水水务工程有限公司 | A kind of high-efficient carrier biological membrane type purifier |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2060963C1 (en) * | 1992-02-10 | 1996-05-27 | Хабаровский завод металлоконструкций | Method and apparatus for water purification |
| KR20040031894A (en) * | 2002-10-07 | 2004-04-14 | 주식회사 아이이아이 | The Waste disposal system |
| CN201240971Y (en) * | 2008-07-03 | 2009-05-20 | 茂名学院 | Integrated high-efficiency sewage water biochemical treatment apparatus |
| CN101628774A (en) * | 2009-08-06 | 2010-01-20 | 北京师范大学 | Up-flow filter layer-floating bed water purification device |
-
2012
- 2012-05-16 CN CN 201210151658 patent/CN102701518B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2060963C1 (en) * | 1992-02-10 | 1996-05-27 | Хабаровский завод металлоконструкций | Method and apparatus for water purification |
| KR20040031894A (en) * | 2002-10-07 | 2004-04-14 | 주식회사 아이이아이 | The Waste disposal system |
| CN201240971Y (en) * | 2008-07-03 | 2009-05-20 | 茂名学院 | Integrated high-efficiency sewage water biochemical treatment apparatus |
| CN101628774A (en) * | 2009-08-06 | 2010-01-20 | 北京师范大学 | Up-flow filter layer-floating bed water purification device |
Non-Patent Citations (3)
| Title |
|---|
| 对更新净化沼气技术工艺处理生活污水的可行性研究;王永智;《阳光能源》;20091231(第6期);64-67 * |
| 林志峰,陈华鼎.沼气技术在学校生活污水净化中的应用.《化学工程与装备》.2012,(第1期),162-164. * |
| 王永智.对更新净化沼气技术工艺处理生活污水的可行性研究.《阳光能源》.2009,(第6期),64-67. |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102701518A (en) | 2012-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204125300U (en) | A kind of purification tank for the treatment of dispersion type domestic wastewater | |
| CN100336745C (en) | Anoxia, drop aeration, artificial wetland combination type small-scale sewage dephosphorizing and denitrifying method | |
| CN102557359B (en) | Device for treating wastewater during production of pentaerythritol | |
| CN101698550A (en) | Advanced treating method of landfill leachate | |
| CN104710078A (en) | Underground integrated domestic sewage treatment device and method thereof | |
| CN204039221U (en) | A kind of biomembrance process four pond purification system of rural domestic sewage treatment | |
| CN103936148A (en) | Constant-effluent variable-load SVBR sewage processing technology | |
| CN103880252B (en) | Integrated treatment equipment of rural domestic waste | |
| CN205398371U (en) | Rural miniaturized integration sewage treatment unit | |
| CN101492229B (en) | Pulling flow type anaerobe reactor | |
| CN102351384B (en) | Livestock and poultry wastewater treatment device | |
| CN205152009U (en) | Green ecological four manure pits of formatting | |
| CN204138504U (en) | Garbage leachate treatment device | |
| CN101786092B (en) | Comprehensive treatment system for organic garbage and domestic sewage and comprehensive treatment method therefor | |
| CN102701518B (en) | Pretreatment system for organic domestic wastewater | |
| CN105314798A (en) | Green ecological four-chamber septic tank and sewage treatment method | |
| CN105417893A (en) | Multiphase circulation integrated sewage treatment equipment | |
| CN202744377U (en) | Baffling bed biological membrane reactor | |
| CN205275425U (en) | Heterogeneous circulation integrative sewage treatment device | |
| CN106517699A (en) | Efficient household garbage sewage system and technology thereof | |
| CN205420076U (en) | Many families domestic sewage hydrolysis groove with purify bank of cells and close treatment facility | |
| CN202658053U (en) | Buried sewage treatment device | |
| CN105384315B (en) | A kind of more family sanitary sewage hydrolytic tanks and purification tank combined treatment device | |
| CN211644786U (en) | Biochemical wetland ecological purification system for new rural domestic sewage | |
| CN203794748U (en) | Integrated rural domestic sewage treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20190516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |