CN101293724A - Miniature general use sewage treatment system - Google Patents

Miniature general use sewage treatment system Download PDF

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Publication number
CN101293724A
CN101293724A CNA2008101067338A CN200810106733A CN101293724A CN 101293724 A CN101293724 A CN 101293724A CN A2008101067338 A CNA2008101067338 A CN A2008101067338A CN 200810106733 A CN200810106733 A CN 200810106733A CN 101293724 A CN101293724 A CN 101293724A
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CN
China
Prior art keywords
sewage treatment
general use
tank
treatment system
sedimentation tank
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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
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CNA2008101067338A
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Chinese (zh)
Inventor
李庆梅
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Beijing Nengtuo High Technology Co Ltd
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Beijing Nengtuo High Technology Co Ltd
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Application filed by Beijing Nengtuo High Technology Co Ltd filed Critical Beijing Nengtuo High Technology Co Ltd
Priority to CNA2008101067338A priority Critical patent/CN101293724A/en
Publication of CN101293724A publication Critical patent/CN101293724A/en
Pending legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The invention relates to a minitype general sewage treatment system which mainly comprises a collecting tank, a flocculating sedimentation tank, a flotation tank, an aerobic biofilter, a secondary sedimentation tank and a water storage tank. The bottom part of the collecting tank is provided with a gap-typed aerator, a sludge scraper and a sludge outfall and the upper part is provided with a floating oil scraper and a floating oil outfall; the flocculating sedimentation tank, the flotation tank, the aerobic biofilter, the secondary sedimentation tank and the water storage tank are connected with each other in sequence; the upper part of the flocculating sedimentation tank is provided with a flocculent drencher; the bottom part of the flotation tank is provided with a floating air feeder and the upper part is provided with a scum scraper mechanism; the middle part of the aerobic biofilter is provided with aerobic filter material and the bottom part is provided with an aerator. The whole structure of the system is simple and compact; the structure is reasonable; the maintenance is convenient; the generality is strong. The system is suitable for the miniature sewage discharge which often appears in life and in production and particularly is suitable for the places which are far away from municipal pipelines.

Description

Miniature general use sewage treatment system
Technical field
The present invention relates to a kind of miniature general use sewage treatment system, belong to environmental technology field.
Background technology
Small-scale sewage discharge often appears for life or in producing, particularly away from the place of municipal pipeline, small-sized Sewage treatment systems need be set carry out the processing of sewage, make it allow compliance with emission standards, so that discharging on the spot, the small-scale Sewage treatment systems of this class is because treatment capacity is little, the investment that can bear is little, therefore need a kind of wide adaptability, finished product that cost is lower, so that, and need not carry out independent design and engineering construction at various concrete sewage character at the unified finished product of plant produced.In view of having such pollutent usually in the sewage: therefore BOD and COD that suspended substances such as throw outs such as floating matters such as greasy dirt, sand and dust, colloid, microorganism and organic pollutant constitute need this general-purpose equipment to have the ability of eliminating these pollutents.
Summary of the invention
For overcoming the above-mentioned defective of prior art, the invention provides a kind of miniature general use sewage treatment system, this system is suitable for carrying out general small-scale sewage discharge source, and its treatment effect is good, compact construction, installation and maintenance is convenient, and floor space is little.
The present invention realizes that the technical scheme of above-mentioned purpose is: a kind of miniature general use sewage treatment system, mainly comprise water collecting basin, flocculation sedimentation tank, air flotation pool, aerobic biofilter, secondary sedimentation basins and tank, described water collecting basin, flocculation sedimentation tank, air flotation pool, aerobic biofilter, secondary sedimentation basins and tank are connected successively, and described water collecting basin bottom is provided with the mud scraper plate and mud sewage draining exit, top are provided with oil slick scraper plate and oil slick sewage draining exit.
Described flocculation sedimentation tank top is provided with the flocculation agent balling iron, described air flotation pool bottom is provided with the air supporting air feeder, top is provided with the scum silica frost scraping plate mechanism, described aerobic biofilter middle part is provided with aerobic filtrate, the bottom is provided with aerator, the water inlet pipe of described flocculation sedimentation tank is the water inlet pipe of native system, and the rising pipe of described tank is the rising pipe of native system.
Because the overall process flow of the present invention's design is reasonable, in water collecting basin, catchment earlier, so that subsequent handling is stable, in the process of catchmenting, strike off simultaneously throw out and floating matter that natural separation is handled, alleviated the load of follow-up equipment, and then through chemical precipitation, under the mode that will not have sedimentary settleable matter to pass through flocculation sediment in water collecting basin is cut down significantly, through twice such separation, can eliminate in the sewage organic contamination more than 60% and the solid particulate matter of vast scale more, adopt pneumatically supported mode that remaining oil in the water and other similar contaminant air supporting are removed then, carry out the biochemical purification reaction through aerobic biofilter efficiently again, wherein the dissolved organic matter branch is taken off, pass through secondary sedimentation again, remove the mud and other the precipitable things that carry in anhydrating, pollutent in the water outlet that forms reduces significantly, for the general life and the production waste that do not have reluctant especially pollutent and too high pollution concentration, landscape water can be discharged or be used in this processing back on the spot so that all can meet sewage drainage standard and irrigation norm.The native system one-piece construction is simply compact, and is rational in infrastructure, easy to maintenance, highly versatile, be adapted to life or produce in small-scale sewage discharge often appears, particularly away from the place of municipal pipeline.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Referring to Fig. 1, the invention provides a kind of miniature general use sewage treatment system, mainly comprise water collecting basin 18, flocculation sedimentation tank 2, air flotation pool 4, aerobic biofilter 5, secondary sedimentation basins 6 and tank 7, described water collecting basin, flocculation sedimentation tank, air flotation pool, aerobic biofilter, secondary sedimentation basins is connected successively with tank, described water collecting basin bottom is provided with mud scraper plate and mud sewage draining exit 15, top is provided with oil slick scraper plate and oil slick sewage draining exit 17, described flocculation sedimentation tank top is provided with the flocculation agent balling iron, described air flotation pool bottom is provided with air supporting air feeder 12, top is provided with the scum silica frost scraping plate mechanism, described aerobic biofilter middle part is provided with aerobic filtrate 10, the bottom is provided with aerator 11, the water inlet pipe 16 of described water collecting basin is the water inlet pipe of native system, and the rising pipe 8 of described tank is the rising pipe of native system.
Described water collecting basin base plate can also be provided with intermittent aeration device 14, and precipitation and aeration hocket, so that increase the oxygen amount in the sewage, is beneficial to follow-up processing.
Described water collecting basin can adopt the structure of middle and upper part water inlet, middle and lower part water outlet, is provided with vertical dividing plate in the pond, and water need be walked around vertical dividing plate could flow to water outlet by water-in, so that improve precipitation and come-up effect.
The sloping plate deposition structure can be adopted in described flocculation sedimentation tank inside, be provided with the sloping plate deposition district, be provided with the administration space of belt stirrer in the front in sloping plate deposition district, described administration spatial top is provided with the flocculation agent balling iron, balling iron constantly drops into flocculation agent to the administration space according to discharge, stir the back thorough mixing in sewage through agitator, organic particulate matter and other organic molecules with sewage coagulate wadding, flow into precipitation in the sloping plate deposition zone then, the deposition efficiency height of this settler, volume is little, and by after adding flocculation agent, about BOD and COD more than 30% is removed in the high-concentration sewage, alleviated the pollution load of follow-up biochemical treatment.
The bottom of described flocculation sedimentation tank can be provided with mud discharging mouth 13, is used for discharging mud under certain condition.Also can Driving-mud Pump be set in flocculation sedimentation tank bottom, regularly mud be up to and be sent into sludge thickener and concentrate, the mud after concentrating further filters and is pressed into mud cake, so that transport to special processing place.
Described air flotation pool adopts the air supporting principle with oil and by carrying the pollutent of bubble floating behind the aeration, the gas that the air supporting air feeder of its bottom penetrates combines with water pollutant, form the housing of band bubble, on build up after floating to the air flotation pool surface, wait to be accumulated to certain thickness and to discharge by the scum silica frost discharge outlet 3 that scraper plate scrapes pond one side.
Filtrate in the described aerobic biofilter can adopt the soft filtrate that is suspended in the pond, so that improve purification efficiency, and easy cleaning and maintenance.Be provided with aerator at the bottom of the pond, so that for aerobe provides air and oxygen, the air supporting aeration process in the air flotation pool also helps improving the oxygen level in the water.
The sloping plate deposition structure can be adopted in described secondary sedimentation basins inside, is provided with the sloping plate deposition district, to obtain high deposition efficiency height, reduces volume.Described secondary sedimentation basins bottom also can be provided with and be provided with mud discharging mouth 9, is used for discharging mud under certain condition.Also can Driving-mud Pump be set in secondary sedimentation basins bottom, regularly mud be up to and be sent into sludge thickener and concentrate, the mud after concentrating further filters and is pressed into mud cake, so that transport to special processing place.
When being provided with Driving-mud Pump at the bottom of the pond of described flocculation sedimentation tank and secondary sedimentation basins, the outlet conduit of each Driving-mud Pump can be connected in a sludge thickener, so that the mud that ejects further concentrates at sludge thickener.
The outlet conduit of the submersible pump of described secondary sedimentation basins also is connected in described aerobic biofilter by mud return line, refluxes so that carry out mud, improves the treatment effect of described aerobic biofilter.
Can be provided with sterilizing machine above the described secondary sedimentation basins,, prevent that bacterium and other microorganisms from spreading unchecked in tank so that the water in the secondary sedimentation basins is sterilized.Wherein a kind of preferred sterilizing machine is the ozone machine that is used to prepare ozone, by being dissolved in ozone in the water with bacterium and other bacteria inactivation rates.
Connection between described each pond all can adopt pipeline 1 to connect, and can be provided with pump and valve on the pipeline of described connection usefulness, so that carry out current control.

Claims (10)

1. miniature general use sewage treatment system, it is characterized in that mainly comprising water collecting basin, flocculation sedimentation tank, air flotation pool, aerobic biofilter, secondary sedimentation basins and tank, described water collecting basin, flocculation sedimentation tank, air flotation pool, aerobic biofilter, secondary sedimentation basins and tank are connected successively, and described water collecting basin bottom is provided with the mud scraper plate and mud sewage draining exit, top are provided with oil slick scraper plate and oil slick sewage draining exit.
2. miniature general use sewage treatment system as claimed in claim 1 is characterized in that described water collecting basin adopts the structure of middle and upper part water inlet, middle and lower part water outlet, and the bottom also is provided with the interval type aerator, is provided with vertical dividing plate in the pond.
3. miniature general use sewage treatment system as claimed in claim 1 is characterized in that described flocculation sedimentation tank top is provided with the flocculation agent balling iron, and described air flotation pool bottom is provided with the air supporting air feeder, and top is provided with the scum silica frost scraping plate mechanism.
4. miniature general use sewage treatment system as claimed in claim 1 is characterized in that described aerobic biofilter middle part is provided with aerobic filtrate, and the bottom is provided with aerator.
5. miniature general use sewage treatment system as claimed in claim 4 is characterized in that the filtrate in the described aerobic biofilter adopts the soft filtrate that is suspended in the pond, is provided with aerator at the bottom of the pond.
6. miniature general use sewage treatment system as claimed in claim 1 is characterized in that the inner sloping plate deposition structure that adopts of described flocculation sedimentation tank, is provided with the sloping plate deposition district.
7. miniature general use sewage treatment system as claimed in claim 6 is characterized in that the front of described flocculation sedimentation tank is provided with the administration space of belt stirrer, and described administration spatial top is provided with the flocculation agent balling iron.
8. miniature general use sewage treatment system as claimed in claim 1 is characterized in that the inner sloping plate deposition structure that adopts of described secondary sedimentation basins, is provided with the sloping plate deposition district.
9. as claim 1,2,3,4,5,6,7 or 8 described miniature general use sewage treatment systems, it is characterized in that being connected sludge pump at the bottom of the pond of described water collecting basin, flocculation sedimentation tank and secondary sedimentation basins, the outlet conduit of each sludge pump is connected in a sludge thickener.
10. miniature general use sewage treatment system as claimed in claim 9, the outlet conduit that it is characterized in that the submersible pump of described secondary sedimentation basins also is connected in described aerobic biofilter by mud return line, pipe connection is all adopted in connection between described each pond, the pipeline of described connection usefulness is provided with pump and valve, is provided with sterilizing machine above the described secondary sedimentation basins.
CNA2008101067338A 2008-05-15 2008-05-15 Miniature general use sewage treatment system Pending CN101293724A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2008101067338A CN101293724A (en) 2008-05-15 2008-05-15 Miniature general use sewage treatment system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2008101067338A CN101293724A (en) 2008-05-15 2008-05-15 Miniature general use sewage treatment system

Publications (1)

Publication Number Publication Date
CN101293724A true CN101293724A (en) 2008-10-29

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Application Number Title Priority Date Filing Date
CNA2008101067338A Pending CN101293724A (en) 2008-05-15 2008-05-15 Miniature general use sewage treatment system

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101643301B (en) * 2009-09-15 2012-05-09 上海青溪环保科技有限公司 Method for purifying oil-containing waste water of catering and complete equipment thereof
CN106248438A (en) * 2016-08-26 2016-12-21 温州统利机械科技有限公司 The sampling detecting device of sewage treatment control system
CN111392976A (en) * 2020-04-13 2020-07-10 湖南富民环保建设有限公司 Organic wastewater and sewage treatment equipment and sewage treatment method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101643301B (en) * 2009-09-15 2012-05-09 上海青溪环保科技有限公司 Method for purifying oil-containing waste water of catering and complete equipment thereof
CN106248438A (en) * 2016-08-26 2016-12-21 温州统利机械科技有限公司 The sampling detecting device of sewage treatment control system
CN111392976A (en) * 2020-04-13 2020-07-10 湖南富民环保建设有限公司 Organic wastewater and sewage treatment equipment and sewage treatment method

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Open date: 20081029