CN201209128Y - Composite biological film sewage disposal technique system and apparatus - Google Patents
Composite biological film sewage disposal technique system and apparatus Download PDFInfo
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- CN201209128Y CN201209128Y CNU2008200791440U CN200820079144U CN201209128Y CN 201209128 Y CN201209128 Y CN 201209128Y CN U2008200791440 U CNU2008200791440 U CN U2008200791440U CN 200820079144 U CN200820079144 U CN 200820079144U CN 201209128 Y CN201209128 Y CN 201209128Y
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- 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
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Abstract
The utility model relates to a composite biological membrane wastewater treatment process system which comprises a blower device, a gas-water mixer and a water treating unit, wherein the gas-water mixer is provided with a gas inlet, a water inlet and a gas-water outlet, wherein the water inlet is connected with a water collecting basin water pump, the air generated through the blower device is delivered to the gas-water mixer through an air supply pipe to be mixed with the waste water, a gas-water inlet and a water outlet are arranged on the water treating unit, an O/A composite biological filter chamber with a small block shaped light porous carrier is arranged at the front end of the water treating unit, a biological filtering membrane is arranged at the rear end of the water treating unit, the gas-water inlet is arranged at the bottom part of the biological filter chamber, and the gas-water inlet is connected with the gas-water outlet. The wastewater treatment process system is formed by combing the microorganism immobilization technology and the membrane technology, and has the advantages of large microorganism capacity, short treating time, good overflow quality, small occupied area, economic efficiency, high efficiency, and the like; the wastewater treatment process system can be widely applied to biological treatment of various wastewater, and the various supporting processes formed by taking the wastewater treatment process system as the core and the overflow quality can meet the national emission standard of Class I or the reclaimed water reusing standard.
Description
Technical field
The utility model relates to a kind of sewage treatment process system and device, relates to the process system that a kind of O/A of utilization mixture filter tank and compound biological filter membrane carry out sewage disposal especially, belongs to field of environment protection.
Background technology
Sewage disposal is an important component part of home and abroad environment protection, and its treatment technology can be divided into two big classes, and based on the biological treatment of handling organism in the dirty waste water with to handle suspended substance in the dirty waste water, heavy metal is the physico-chemical process of leading.All to carry out a biological disposal upon, especially in based on the municipal sewage treatment of sanitary sewage, all adopt biological treatment especially both at home and abroad as basic technology.Biological treatment at present both at home and abroad is divided into the activated sludge process to be the various modification of representative or to be the various modification etc. of representative with the biomembrance process, and these sewage water treatment methods all have certain limitation.Can only make common sanitary sewage reach emission standard as oxidation ditch process, be difficult to adapt to the requirement that water resources is brought back to life and utilized.Water outlet is one deck macromolecular filter membrane as membrane bioreactor MBR system terminal, and pollutants in waste water is only had mechanical filtering effect, does not have biological absorption, Degradation is though MBR system effluent quality is better, but because film is seriously polluted, economic performance is poor, and use is very limited.Along with the further requirement of municipal middle water reuse, at present, still do not have a kind of suitable treatment process system and directly reuse standard is arrived in the sanitary sewage primary treatment.
The utility model content
The purpose of this utility model provides a kind of compound biological membrane sewage treatment process system, this system combines microbial immobilized technology formedly with membrane technology, it is big to have microbial load, and the treatment time is short, effluent quality is good, characteristics such as economical and efficient.
The technical scheme that the utility model provides is: a kind of compound biological membrane sewage treatment process system, this system comprises air-blast device, gas-water mixer and unit for treating water, gas-water mixer is provided with inlet mouth, the gentle water out of water-in, water-in is connected with water collecting basin, the wind that air-blast device produces is sent in the gas-water mixer by blast tube and is mixed with sewage, unit for treating water is provided with air water import and water outlet, the front end of unit for treating water is the O/A complex biological filter that has the light porous carrier of little bulk, the rear end of unit for treating water is a biological filter membrane, the bottom of biological filter is provided with the air water import, and the air water import is connected with described air water outlet.
Described blast tube enters in the gas-water mixer by inlet mouth, and the blast tube in the gas-water mixer is a 1-6 root PE porous sintered pipes, and wherein, the aperture of micropore is 1.2～2.0 μ m.
The light porous carrier of described little bulk is the nano modified polyurethane porous plastics, and monolithic support is of a size of 2cm * 2cm * 2cm～4cm * 4cm * 4cm, and fixing and grow in the micropore of carrier surface and inside has microorganism.
Total bed thickness of described O/A complex biological filter is 2～2.5m.
Described biological filter membrane is 1～3 layer, and every layer thickness is 2～6cm.
Described air-blast device is a blower fan, is provided with the charge flow rate meter on the blast tube of blower fan and gas-water mixer, and the water inlet pipe of water collecting basin and gas-water mixer is provided with the flooding velocity meter.
Of the present utility model have a following advantage: the utility model compound biological membrane sewage treatment process system combines microbial immobilized technology formed with membrane technique, it is big to have microbial load, treatment time is short, effluent quality is good, take up an area of few, characteristics such as economical and efficient, water outlet both can reach reuse standard, and were even more ideal again economically.The microorganism filter film technology is combined with O/A (aerobic/anaerobism) complex biological filter, as pre-treatment, constitute the combination biologic treating technique as aftertreatment with filter membrane with the filter tank; All form the outer aerobic bacteria that is in each part in filter tank, internal layer is an anerobe, and the middle level is the biological composite bed of O/A that amphimicrobe is formed, and microbial population can form by bacterium to the complete biologic chain of metazoan with water (flow) direction.When treat effluent is passed through unit for treating water, mechanical filtering effect is arranged not only, also have biological absorption simultaneously, Degradation, effluent quality is good.Microorganism is fixed in the carrier, has avoided the loss of microorganism, the long microbe species of growth cycle is bred in a large number, thereby obtain better wastewater treatment efficiency.It is that microorganism easily adheres to that carrier is selected its advantage of modified Nano material for use, and in the biosystem, and chemistry, physicals are also very stable, and material transfer is unrestricted.In the utility model compound biological membrane sewage treatment process system, gas-water mixer is external, make that the air water hybrid mode is simple, be difficult for stopping up, maintenance is convenient.The sanitary sewage of lower concentration during technology that the utility model relates to and equipment are applicable to, the processing of municipal effluent, bath wastewater, micro-polluted water and part trade effluent, and can it be the various process matched therewiths that core forms, effluent quality can reach national grade one discharge standard or middle water reuse standard.
Description of drawings
Fig. 1 is the utility model compound biological membrane sewage treatment process system architecture synoptic diagram.
Fig. 2 is the gas-water mixer structural representation of the utility model compound biological membrane sewage treatment process system.
Embodiment
See also Fig. 1 to Fig. 2, further illustrate the utility model, but be not, only do the example explanation restriction of the present utility model below by the detailed description of embodiment.
The compound biological membrane sewage treatment process system comprises roots blower 4, gas-water mixer 6 and unit for treating water 7, and gas-water mixer 6 is provided with inlet mouth, water-in 13 gentle water outs 14, and water-in 13 is connected with submersible pump 2 in the water collecting basin 1.Be provided with charge flow rate meter 5 on the blast tube 12 of blower fan 4 and gas-water mixer 6, its effect is an air capacity of adjusting and be metered into equipment.Water collecting basin 1 is provided with flooding velocity meter 3 with the water inlet pipe of gas-water mixer 6, and its effect is a sewage quantity of adjusting and be metered into equipment.The wind that roots blower 4 produces is sent in the gas-water mixer 6 by induction pipe 12 and is mixed with sewage, induction pipe 12 enters in the gas-water mixer 6 by inlet mouth, blast tube 12 in the gas-water mixer 6 is PE (polyethylene) porous sintered pipes, and wherein, the aperture of micropore is 1.2 μ m.Unit for treating water 7 is the casing shape, its bottom is provided with air water import 10, the side is provided with water outlet 11, the front end of unit for treating water 7 is the O/A complex biological filters 8 that have the light porous carrier of little bulk, wherein, the light porous carrier of little bulk is the nano modified polyurethane porous plastics, and monolithic support is of a size of 3cm * 3cm * 3cm, fixing in the micropore of carrier surface and inside and growing has multiple aerobic and anaerobion, and total bed thickness of O/A complex biological filter is about 2.2m.The rear end of unit for treating water 7 is O/A compound biological filter membranes 9, the vertical installation, and biological filter membrane is 1～3 layer, every layer thickness is 2～6cm (be 1 layer in the present embodiment, film thickness is 4cm).Air water import 10 is located at the bottom of biological filter 8, and air water import 10 is connected with the air water outlet 14 of gas-water mixer 6.
Above-mentioned O/A compound biological filter membrane is made up of two portions, and one is a microbe carrier.Carrier prepares the about 4cm of thickness, the about 28kg/m of density with whole modified Nano urethane foam
3Be arranged with the micropore that the aperture is 0.5mm on the carrier, porosity is about 98%, and micropore is crooked, and links to each other with other hole, and whole carrier is tridimensional network.Carrier is done framework with bar section of stainless steel, and masked with 10 purpose stainless (steel) wires in the both sides of carrier, and stainless (steel) wire and bar section of stainless steel interfix, and will form the supporter of a rigidity between carrier and the two layers of mesh.
The second section of O/A compound biological filter membrane is the microbial population that is fixed in the carrier porous plastics micropore, and its mesexine is an aerobic microbiological colony, and internal layer is an anaerobion colony.It is fixing that the fixed form of this microbial population adopts batch production to produce.Its method is full of in the water tank of sanitary sewage (the kind of waste water difference on processing is decided) for the supporter that will prepare is built in one in factory, the case bottom charges into air continuously, and add micro-growth elements, as: iron, manganese, cobalt etc., carry out aeration aerating, also can add nutritive elements such as phosphorus in case of necessity, and control water temperature is between 20～25 ℃, carry out microorganism culturing, cultured continuously 11 days, make to produce a large amount of microorganism of breeding in the porous plastics micropore, the degree of filling of microorganism reaches 50% in the micropore, and the microorganism total amount reaches about 9g/L.Supporter taking-up and hygrometric state are stored in the plastic packaging bag, and it is stand-by to pour oxygen seal in bag.After testing, microbial population is based on bacterium and fungi, and there are a spot of protozoon and metazoan in the film top layer.Wherein, bacterium is representative with coccus, bacillus, suis, and fungi is representative with all kinds of moulds.
Need in the microbial cultivation process to accelerate microorganism culturing during the time, can adopt the method for microbial strains inoculation, as in cultivating sewage, adding the excess sludge of municipal wastewater treatment plant or purchase product-level bacterial classification.Microbial cultivation process also can be installed on microbial film in the processor device, cultivates with the feeding for the treatment of water at the scene of using again, and this on-the-spot culturing process best cultivation is more in advance grown about 10 days on-the-spot start time.
Method for culturing microbes is identical with method for culturing microbes in the O/A compound biological filter membrane on the light porous carrier of little bulk in the O/A complex biological filter.
Claims (6)
1, a kind of compound biological membrane sewage treatment process system and device, it is characterized in that: comprise air-blast device, gas-water mixer and unit for treating water, gas-water mixer is provided with inlet mouth, the gentle water out of water-in, water-in is connected with water collecting basin, the wind that air-blast device produces is sent in the gas-water mixer by blast tube and is mixed with sewage, unit for treating water is provided with air water import and water outlet, the front end of unit for treating water is the O/A complex biological filter that has the light porous carrier of little bulk, the rear end of unit for treating water is a biological filter membrane, the bottom of biological filter is provided with the air water import, and the air water import is connected with described air water outlet.
2, compound biological membrane sewage treatment process system according to claim 2 and device, it is characterized in that: described blast tube enters in the gas-water mixer by inlet mouth, blast tube in the gas-water mixer is 1～6 PE porous sintered pipes, and wherein, the aperture of micropore is 1.2～2.0 μ m.
3, compound biological membrane sewage treatment process system according to claim 1 and device, it is characterized in that: the light porous carrier of described little bulk is the nano modified polyurethane porous plastics, monolithic support is of a size of 2cm * 2cm * 2cm～4cm * 4cm * 4cm, and fixing and grow in the micropore of carrier surface and inside has microorganism.
4, compound biological membrane sewage treatment process system according to claim 1 and device is characterized in that: total bed thickness of described O/A complex biological filter is 2～2.5m.
5, compound biological membrane sewage treatment process system according to claim 1 and device is characterized in that: described biological filter membrane is 1～3 layer, and every layer thickness is 2～6cm.
6, compound biological membrane sewage treatment process system according to claim 1 and device, it is characterized in that: described air-blast device is a blower fan, be provided with the charge flow rate meter on the blast tube of blower fan and gas-water mixer, the water inlet pipe of water collecting basin and gas-water mixer is provided with the flooding velocity meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200791440U CN201209128Y (en) | 2008-02-21 | 2008-02-21 | Composite biological film sewage disposal technique system and apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200791440U CN201209128Y (en) | 2008-02-21 | 2008-02-21 | Composite biological film sewage disposal technique system and apparatus |
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| CN201209128Y true CN201209128Y (en) | 2009-03-18 |
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| CNU2008200791440U Expired - Lifetime CN201209128Y (en) | 2008-02-21 | 2008-02-21 | Composite biological film sewage disposal technique system and apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105016478A (en) * | 2014-04-30 | 2015-11-04 | 北京科净源科技股份有限公司 | Sewage treatment system for denitrification through biological stuffing and installation method of sewage treatment system |
| CN105060482A (en) * | 2015-08-03 | 2015-11-18 | 北京大学 | Apparatus for treating coking wastewater through immobilized MBR autotroph nitrogen removal, and method thereof |
| CN105236568A (en) * | 2015-08-07 | 2016-01-13 | 北京大学 | Method for running anammox by utilizing microbial immobilization membrane bioreactor |
-
2008
- 2008-02-21 CN CNU2008200791440U patent/CN201209128Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105016478A (en) * | 2014-04-30 | 2015-11-04 | 北京科净源科技股份有限公司 | Sewage treatment system for denitrification through biological stuffing and installation method of sewage treatment system |
| CN105060482A (en) * | 2015-08-03 | 2015-11-18 | 北京大学 | Apparatus for treating coking wastewater through immobilized MBR autotroph nitrogen removal, and method thereof |
| CN105236568A (en) * | 2015-08-07 | 2016-01-13 | 北京大学 | Method for running anammox by utilizing microbial immobilization membrane bioreactor |
| CN105236568B (en) * | 2015-08-07 | 2017-06-16 | 北京大学 | A kind of method that Anammox is run using microbial immobilized membrane bioreactor |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090318 |