CN101367595A - Apparatus for and method for filtering, treating and recycling seprobia - Google Patents
Apparatus for and method for filtering, treating and recycling seprobia Download PDFInfo
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- CN101367595A CN101367595A CNA2008102004976A CN200810200497A CN101367595A CN 101367595 A CN101367595 A CN 101367595A CN A2008102004976 A CNA2008102004976 A CN A2008102004976A CN 200810200497 A CN200810200497 A CN 200810200497A CN 101367595 A CN101367595 A CN 101367595A
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000001914 filtration Methods 0.000 title claims abstract description 30
- 238000004064 recycling Methods 0.000 title description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 95
- 239000010865 sewage Substances 0.000 claims abstract description 48
- 238000012545 processing Methods 0.000 claims abstract description 17
- 238000009826 distribution Methods 0.000 claims abstract description 12
- 238000005406 washing Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000004576 sand Substances 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 239000000706 filtrate Substances 0.000 claims description 38
- 239000000945 filler Substances 0.000 claims description 29
- 238000011010 flushing procedure Methods 0.000 claims description 23
- 239000004744 fabric Substances 0.000 claims description 18
- 230000000813 microbial effect Effects 0.000 claims description 12
- 239000002351 wastewater Substances 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 11
- 238000011001 backwashing Methods 0.000 claims description 7
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 206010016256 fatigue Diseases 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 239000002028 Biomass Substances 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 claims description 3
- 238000006731 degradation reaction Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
- 239000011707 mineral Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 206010016825 Flushing Diseases 0.000 claims description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005273 aeration Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000004065 wastewater treatment Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- AHEWZZJEDQVLOP-UHFFFAOYSA-N monobromobimane Chemical compound BrCC1=C(C)C(=O)N2N1C(C)=C(C)C2=O AHEWZZJEDQVLOP-UHFFFAOYSA-N 0.000 description 1
- 208000014451 palmoplantar keratoderma and congenital alopecia 2 Diseases 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
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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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- Biological Treatment Of Waste Water (AREA)
Abstract
The invention relates to a sewage biofiltration treatment, reusing equipment and a method thereof, comprising a biochemical treatment unit and a depth filtering treatment unit. The biological treatment area in the biochemical treatment unit is located on the internal layer or the external layer of the equipment, and is filled with filling materials. The filtering area is located on the internal layer or the external layer of the equipment. The top surface of the biological treatment area is provided with a water intake and distribution area which is connected with a sewage intake pipe and the undersurface is provided with a distribution system. The interior of the biological area is divided into at least one treatment area which comprises an aerobic zone through an aeration system and an entire biochemical treatment unit is formed. The upper part of the intake and distribution areas is provided with a clear water area. A sand washer which is connected with the water intake area is arranged in the clear water area. The sewage biofiltration treatment has the advantages of integrity and flexibility, low investment, operation expenditure and cost, high automation level and so on. The processing effect can reach the reused water quality standard of the relevant sewage treatment. The reused water can be used for road sprinkling, greening and irrigating, car washing, floor cleaning, industrial utilization and so on.
Description
Technical field
The present invention relates to a kind of sewage environmental protection treatment equipment and method, especially a kind of equipment and method that is used for saprobic filtration and reuse.
Background technology
The wastewater treatment and reuse technology is actually and is divided into the two parts substantially, the one, sewage disposal technology and method, sewage disposal can be divided into physical treatment technology, physical chemistry treatment technology, biological chemistry treatment technology and chemical treatment method again, wherein the biological chemistry treatment technology with sewage is the most commonly used, biochemical processing also has a variety of, mainly is to classify according to the different situations of microbial growth condition and oxygen supply mode; The 2nd, the reusing sewage treatment technology also can be described as the advanced treatment technology, adopts coagulation administration and filtering technique more, to give the exemplary process structures or the processing unit of water treatment, can solve the water quality reaching standard problem in the filtration treatment unit preferably.
The technology of municipal sewage treatment constantly develops, and has driven the continuous progress of whole industry, and the technology of sewage disposal and facility are updated, and aspect investment and working cost also being improved in various degree.In order to guarantee that the water quality that enters water body reaches certain standard, guarantee that water body is not secondary polluted, the clearance of organic pollutant and nitrogen phosphorus must improve, but will consider expenses such as investment and running cost, and biological treatment is first-selected treatment technology and method.Biological treatment will reach the denitrogenation dephosphorizing purpose just must or create anaerobism, anoxic, zone such as aerobic in the space of reactor on the time, to realize multi-form anaerobic-aerobic dephosphorization, aerobic-the anoxic denitrogenation, required hydraulic detention time is longer, some technology reached more than 12 hours, and capital cost and working cost are all higher.Generally use biological denitrification phosphorous removal technique at present in the world, commonly used has: conventional anaerobic/anoxic/aerobic process (A/A/O technology), Bardenpho, UCT, VIP, SBR, ICEAS, CASS, UNITANK and various oxidation ditch process.Along with Processing Technology and development, occur in succession and inversion A/A/O technology in addition of using, hydrolysis-anaerobism-little oxygen process integration, high loading activated sludge process, biological aerated filter, efficient compound sewage biological treatment system, treatment process such as MBR, MBBR at present.
But as small-sized wastewater treatment and reuse equipment or the less treatment project of scale, sewage disposal and reuse project or facility such as the residential quarter in the city, more than some technology just not too suitable, consider use occasion and personnel's state of the art etc., most fairly simple, easy-operating, convenient management, stable treatment process of adopting.At present main treatment process has biological contact oxidation process, BAF etc., but needs a plurality of pool structures or equipment to make up, and floor space is bigger, and working cost is higher.
Summary of the invention
The present invention is the technical problem that will solve small-scale wastewater treatment and reuse, flexible and changeable can generally adapt to saprobia filtration treatment and equipment for reclaiming and the method thereof that requires based on the various water quality of sanitary sewage and processing and reuse and provide a kind of.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of saprobia filtration treatment and equipment for reclaiming are made up of biochemical treatment unit and depth type filtration processing unit, and it comprises into water cloth pool, biological treatment zone, filtrating area, exhalant region, backwash gas waterpipe and distribution and water distributing area, aerating system;
Wherein the biological treatment zone in the biochemical treatment unit is positioned at the internal layer or the skin of equipment, filler is housed in it, filtrating area is positioned at the skin or the internal layer of equipment, be provided with the water inlet cloth pool that connects sewage water inlet pipe above the biological treatment zone, be provided with water distribution system below, biological treatment zone inside is separated into the biochemical treatment unit that the treatment zone that comprises an aerobic zone at least forms an integral body with aerating system, water inlet top, cloth pool is provided with clear water zone, be provided with the sand-washing device that connects inhalant region in the clear water zone, the tipping of sand-washing device opening for feed has the filtrate riser tube of filtrate lifter; Biological treatment zone bottom in the biochemical treatment unit is provided with the biologic packing material backwash tube, and water inlet cloth pool also joins with the backwashing wastewater pipe.
The biochemical treatment unit can move according to anaerobism, anoxic, aerobic mode, be separated into three layers of anaerobic zones, oxygen-starved area, aerobic zone according to the difference of influent quality and the reuse requirements in water quality different layouts by aerating system, or be two layers of oxygen-starved area and aerobic zones, or only be aerobic zone.
Filler is any one in haydite, lightweight suspension ball, the floating stuffing.
A kind of saprobia filtration treatment and reuse method, concrete steps are:
1. sewage enters biological treatment zone
Sewage passes through the water inlet cloth pool in the sewage water inlet pipe access arrangement, and spills the filler top of cloth at biological treatment zone uniformly through the cloth pool, then along the past current downflow in the space of filler;
2. sewage purification
Sewage flows from top to bottom in filler, air then flows from bottom to top, in gas, water flow process, contact with microbial film respectively, air passes moisture film and progressively enters in the microbial film, and the oxygen of besoin de respirer is provided for biology, organic substance in the sewage also moves and enters biofilm system simultaneously, by the biological degradation in the microbial film, resolve into less mineral compound, sewage is purified;
3. the reuse of purifying waste water
Water after biological treatment, flow out from the bottom of biological processing unit, enter the filtration treatment unit, filtrate flows from top to bottom in the filtration treatment unit, and water flows from bottom to top, in the flow process of water and filtrate, filtrate further hold back with planar water in impurity, make water obtain further purification, finally flow out, carry out reuse from the top of filtrating area;
4. contaminated filtrate is handled
Contaminated filtrate then promotes the sand-washing device that arrives its upper side by the lifter of bottom, utilize the water after equipment itself is handled to clean automatically, enter filtrating area once more through the filtrate after cleaning, recycle, waste water in the cleanser is handled or is entered the equalizing tank of Sewage treatment systems front end and handle once more by washed-out sand water shoot device for transferring.
In the above-mentioned steps two, through operation after a while, biofilm biomass on the filler can get more and more, when thickness constantly increases, adopt air inlet to carry out independent back flushing 4～10 minutes, gas, water back flushing simultaneously are 3～6 minutes then, the last independent back flushing of water 5～9 minutes, the cycle of back flushing: looking the character of sewage and the character cycle of operation of filler is 48～72 hours, perhaps carries out back flushing according to the size of head loss, falls streaming and reaches 2～3 meters capable again back flushinges.
In the above-mentioned steps two, difference and reuse requirements in water quality according to influent quality, pass through the layout of the air, ducted systems different positions in the aerating system in the biochemical treatment unit, be divided into anaerobism and or anoxic and or aerobic zone, form multiple treatment process, as removing the treatment process of carbon, or removing the treatment process of nitrogen phosphorus, or based on the treatment process of removal carbon-nitrogen.
The invention has the beneficial effects as follows:
Advantage of the present invention is the comprehensive and handiness of treatment system, lower investment and working cost and cost, level of automation height;
Treatment effect of the present invention can reach the water-quality guideline of relevant waste water treating and reutilizing, can be back to road water spill, greening irrigation, carwash, ground are washed away, industrial utilization etc.
Description of drawings
Fig. 1 is the diagrammatic cross-section of equipment of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing and embodiment.
As shown in Figure 1, a kind of saprobia filtration treatment of the present invention and equipment for reclaiming are made up of biochemical treatment unit and depth type filtration processing unit, it comprise into water cloth pool 2, biological treatment zone 3, filtrating area 6, exhalant region,, aerating system.Sewage water inlet pipe 1, filler 4, collection water distributing pipe 5, filtrating area 6, clear water zone 7, handle back water rising pipe 8, blast main 9, biologic packing material backwash tube 10, water distribution system 11, filtrate lifter 12, filtrate riser tube 13, sand-washing device 14, washed-out sand water shoot 15, backwashing wastewater pipe 16.
Wherein the biological treatment zone 3 in the biochemical treatment unit is positioned at the internal layer or the skin of equipment, filler 4 is housed in it, be provided with the water inlet cloth pool 2 that connects sewage water inlet pipe 1 above the biological treatment zone 3, the next door is provided with filtrating area 6, be provided with water distribution system 11 below, biological treatment zone 3 inside are separated into the biochemical treatment unit that the treatment zone that comprises an aerobic zone at least forms an integral body with aerating system, inhalant region top is provided with clear water zone 7, be provided with the sand-washing device 14 that connects inhalant region in the clear water zone 7, the tipping of sand-washing device 14 opening for feeds has the filtrate riser tube 13 of filtrate lifter 12; Biological treatment zone 3 bottoms in the biochemical treatment unit are provided with biologic packing material backwash tube 10, and inhalant region also joins 16 with the backwashing wastewater pipe.
In whole biochemical treatment unit, form an integral body; Water after the biochemical treatment cell processing, the filtration treatment unit of the skin of access arrangement (also can design) at internal layer, the water after final the processing reaches the standard of reusing sewage, can be back to different occasions.Treatment facility itself comprises in sewage inhalant region, biological treatment zone 3, filtrating area 6, exhalant region, biological treatment zone 3 backwash gas waterpipes 10 and distribution and water distributing area, aerated conduit system, the sand filter that filtrate flows and composition such as self-stripping system automatically; Total system can adopt PLC to control.
Saprobia and filtration treatment and recycling method and technology that the present invention proposes, adopt the biochemical treatment unit, the incorporate wastewater treatment and reuse treater that thermopnore filtration treatment unit is formed, wherein the biochemical treatment unit internal layer (perhaps outer) that is positioned at equipment is equipped with filler, filler can be determined according to the different in kind of sewage, whole biological processing unit is an one, different in kind according to sewage, utilize the setting of different aerating systems and distribute biological treatment zone 3 is divided into anaerobic zone, the oxygen-starved area, aerobic zone, each subregion links to each other successively, need not separate by partition wall, therefore the manufacturing cost and the difficulty of equipment have been reduced, also providing bigger space aspect the selection of making material, can select carbon steel material for use, glass-reinforced plastic material etc.; Move from technology, the discontinuous problem of biological flora of also having avoided the partition wall subregion to cause has biologic chain preferably; Reduce head loss, reduced power charge and running cost.
Biological treatment zone 3 of the present invention is equipped with filler 4, selecting for use of filler 4 can be haydite, lightweight suspension ball, floating stuffing etc., biological treatment zone 3 can be according to the character of sewage to be processed, utilize gas distribution system to be divided into anaerobism, anoxic, part such as aerobic, following operation scheme is arranged: (1) anaerobism, anoxic, aerobic operation scheme by control tolerance; (2) anaerobism, aerobic operation scheme; (3) anoxic, aerobic operation scheme; (4) aerobic operation scheme; Deng.The difference of operation scheme, determined the effect of water quality treatment, can form to remove the treatment process of carbon, or removing the treatment process of nitrogen phosphorus, or, pass through the combination that just can reach multiple treatment process to the less change of equipment to remove the treatment process of carbon-nitrogen, operation scheme is flexible, and owing to adopted incorporate design, simplified management and operation greatly, also be reduced to minimum managerial personnel's level.Through the water after biological treatment zone 3 processing, entering the thermopnore filtrating area more further handles, can adopt quartz sand, haydite, gac, hard coal etc. at the filtrating area filtrate, filtrate is mobile in vivo, the flow direction of filtrate: in vivo from top to bottom, promote from bottom to top via the sand lifter external, water is opposite with the flow direction of filtrate in the flow direction of filtrating area, and in the contact process of water and filtrate, water has obtained clarification, rise to exhalant region, the final discharge carried out reuse; The sand-washing device that contaminated filtrate after lifter promotes enters top cleans, and cleans the clean filtrate circulation in back and enters filtrating area, and contaminated water is excreted and handles behind the cleaning filtrate.
Among the present invention, biological treatment part filler is a fixed, and the filtrate of filtration fraction is a mobile.Biological treatment filtrate partly needs the irregular back flushing of carrying out, and adopts air-water backwashing, row processing again after the waste water after the back flushing is discharged; The filtrate of the part of coming over has automatic cleaning function, need not increase equipment and expense.
The back flushing of biological treatment part filler 4 of the present invention is keys of operation.Through operation after a while, biofilm biomass on the filler 4 can get more and more, thickness also constantly increases, in order to obtain better and the stable treated effect, need manually microbial film to be upgraded, the present invention adopts gas, water backwashing to realize, at first independent back flushing is carried out in air inlet, and about 4～10 minutes, gas, water back flushing simultaneously then, about 3～6 minutes, the last independent back flushing of water, about 5～9 minutes, the time of back flushing and the different filtrate of mode foundation, can be divided into multiple, and can be real-time control.The cycle of back flushing, look the different in kind of the character of sewage and filler 4 and difference is bigger, the general cycle of operation is 48～72 hours, perhaps carry out back flushing according to the size of head loss, generally fall streaming and can reach capable again back flushing about 2～3 meters, the effect of back flushing rule of thumb the adjustment time satisfy, perhaps the SS according to the backwashing wastewater that detects in real time controls, and manyly in the reality controls with the time.
The cloth pool 2 of sewage in the sewage water inlet pipe access arrangement, water spills the top of cloth at filler 4 uniformly through water distribution system, then along the past current downflow in the space of filler 4, microbial film in the surface growth of filler 4, the aerated conduit system is equipped with at the bottom of filler 4 or middle part, sewage flows from top to bottom in filler 4, air then flows from bottom to top, at gas, in the mobile process of water, contact with microbial film respectively, air passes moisture film and progressively enters in the microbial film, for biology provides the oxygen of besoin de respirer, the organic substance in the sewage also moves and enters biofilm system simultaneously, by the biological degradation in the microbial film, resolve into less mineral compound, sewage is purified.Position difference according to the air, ducted systems of laying can form multiple operation scheme, as (1) anaerobism, anoxic, aerobic operation scheme; (2) anaerobism, aerobic operation scheme; (3) anoxic, aerobic operation scheme; (4) aerobic operation scheme; Deng.These operation scheme have determined the difference and the net effect of process object, can form to remove the treatment process of carbon, or to remove the treatment process of nitrogen phosphorus, or to remove the treatment process of carbon-nitrogen, through just can reach the combination of multiple treatment process to the less change of equipment, operation scheme is flexible, and can reduce working cost and investment.
Water outlet after biological processing unit is handled, can reach the one-level A standard of national comprehensive discharge standard, therefore, can reuse in order to guarantee to handle, enter follow-up filtration treatment unit again and further reduce the concentration of pollutent, to satisfy the water-quality guideline of reuse.Water after biological treatment flows out from the bottom of biological processing unit, enters the filtration treatment unit, and filtrate is a mobile from top to bottom in this part, and water is mobile from bottom to top, and both flow directions are opposite.In the flow process of water and filtrate, filtrate is further held back and has been adsorbed the impurity in the water, makes water obtain further purification, from the top of filtrating area, also is the top of equipment finally, and outflow equipment carries out reuse.
Contaminated filtrate then promotes the sand-washing device that arrives its upper side by the lifter of bottom, utilize the water after equipment itself is handled to clean automatically, enter filtrating area once more through the filtrate after cleaning, recycle, waste water in the cleanser is handled or is entered the equalizing tank of Sewage treatment systems front end and handle once more by washed-out sand water shoot device for transferring.
Claims (6)
1. saprobia filtration treatment and equipment for reclaiming, form by biochemical treatment unit and depth type filtration processing unit, it is characterized in that it comprises into water cloth pool (2), biological treatment zone (3), filtrating area (6), exhalant region, backwash gas waterpipe and distribution and water distributing area, aerating system; Biological treatment zone (3) in the wherein said biochemical treatment unit is positioned at the internal layer or the skin of equipment, and filler (4) is housed in it, and filtrating area (6) is positioned at the skin or the internal layer of equipment; Be provided with the water inlet cloth pool (2) that joins with sewage water inlet pipe (1) above the biological treatment zone (3), be provided with water distribution system (11) below, described biological treatment zone inside is separated into the biochemical treatment unit that the treatment zone that comprises an aerobic zone at least forms an integral body with aerating system, water inlet top, cloth pool (2) is provided with clear water zone (7), be provided with the sand-washing device (14) that connects inhalant region in the clear water zone (7), the tipping of sand-washing device (14) opening for feed has the filtrate riser tube (13) of filtrate lifter (12); Biological treatment zone in the biochemical treatment unit (3) bottom is provided with biologic packing material backwash tube (10), and water inlet cloth pool (2) also joins with backwashing wastewater pipe (16).
2. saprobia filtration treatment according to claim 1 and equipment for reclaiming, it is characterized in that, described biochemical treatment unit can move according to anaerobism, anoxic, aerobic mode, be separated into three layers of anaerobic zones, oxygen-starved area, aerobic zone according to the difference of influent quality and the reuse requirements in water quality different layouts by aerating system, or be two layers of oxygen-starved area and aerobic zones, or only be aerobic zone.
3. saprobia filtration treatment according to claim 1 and equipment for reclaiming is characterized in that, described filler (4) is any one in haydite, lightweight suspension ball, the floating stuffing.
4. saprobia filtration treatment and reuse method is characterized in that concrete steps are:
(1) sewage enters biological treatment zone
Sewage passes through the water inlet cloth pool (2) in sewage water inlet pipe (1) access arrangement, and spills filler (4) top of cloth at biological treatment zone uniformly through cloth pool (2), then along the past current downflow in the space of filler (4);
(2) sewage purification
Sewage flows from top to bottom in filler (4), air then flows from bottom to top, in gas, water flow process, contact with microbial film respectively, air passes moisture film and progressively enters in the microbial film, and the oxygen of besoin de respirer is provided for biology, organic substance in the sewage also moves and enters biofilm system simultaneously, by the biological degradation in the microbial film, resolve into less mineral compound, sewage is purified;
(3) reuse of purifying waste water
Water after biological treatment, flow out from the bottom of biological processing unit, enter the filtration treatment unit, filtrate flows from top to bottom in the filtration treatment unit, and water flows from bottom to top, in the flow process of water and filtrate, filtrate further hold back with planar water in impurity, make water obtain further purification, finally flow out, carry out reuse from the top of filtrating area (6);
(4) contaminated filtrate is handled
Contaminated filtrate then promotes the sand-washing device (14) that arrives its upper side by the lifter (12) of bottom, utilize the water after equipment itself is handled to clean automatically, enter filtrating area (6) once more through the filtrate after cleaning, recycle, waste water in the cleanser is handled or is entered the equalizing tank of Sewage treatment systems front end and handle once more by washed-out sand water shoot (15) device for transferring.
5. saprobia filtration treatment and the reuse method of asking according to claim 4, it is characterized in that, in the above-mentioned steps two, through operation after a while, biofilm biomass on the filler (4) can get more and more, when thickness constantly increases, adopt air inlet to carry out independent back flushing 4～10 minutes, gas then, water back flushing simultaneously 3～6 minutes, the last independent back flushing of water 5～9 minutes, the cycle of back flushing: looking the character of sewage and the character cycle of operation of filler (4) is 48～72 hours, perhaps carries out back flushing according to the size of head loss, falls streaming and reaches 2～3 meters capable again back flushinges.
6. saprobia filtration treatment and the reuse method of asking according to claim 4, it is characterized in that, in the above-mentioned steps two, according to the difference and the reuse requirements in water quality of influent quality, in the biochemical treatment unit by the layout of the air, ducted systems different positions in the aerating system, be divided into anaerobism and or anoxic and or aerobic zone, form multiple treatment process, as removing the treatment process of carbon, or removing the treatment process of nitrogen phosphorus, or based on the treatment process of removal carbon-nitrogen.
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| CN2008102004976A CN101367595B (en) | 2008-09-26 | 2008-09-26 | Apparatus for and method for filtering, treating and recycling seprobia |
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| CN2008102004976A CN101367595B (en) | 2008-09-26 | 2008-09-26 | Apparatus for and method for filtering, treating and recycling seprobia |
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| CN101367595B CN101367595B (en) | 2011-05-04 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225803A (en) * | 2011-05-23 | 2011-10-26 | 中国科学技术大学 | Biomembrane reactor, waste water treating system and method for treating waste water |
| CN102583906A (en) * | 2012-03-21 | 2012-07-18 | 徐州工程学院 | Processing device and processing method of nitrogen pollutant in secondary tail water of sewage treatment plant |
| CN105585105A (en) * | 2015-11-27 | 2016-05-18 | 贝尔芬格水处理技术（杭州）有限公司 | Suspended bio-filter bed and jet-type flushing method thereof |
| CN106647829A (en) * | 2016-12-02 | 2017-05-10 | 江苏川源环保设备有限公司 | System and method for controlling water head loss |
| CN107162315A (en) * | 2017-05-18 | 2017-09-15 | 重庆市托尔阿诗环保有限公司 | Biological cycle method sewage disposal system |
| CN107986567A (en) * | 2017-12-12 | 2018-05-04 | 河海大学 | A kind of Inner electrolysis denitrification Compound filter pool and its application |
| CN108033549A (en) * | 2017-11-08 | 2018-05-15 | 刘顺 | A kind of barrier type biological aerated filter |
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2008
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| CN108033549A (en) * | 2017-11-08 | 2018-05-15 | 刘顺 | A kind of barrier type biological aerated filter |
| CN107986567A (en) * | 2017-12-12 | 2018-05-04 | 河海大学 | A kind of Inner electrolysis denitrification Compound filter pool and its application |
| CN111943434A (en) * | 2020-08-11 | 2020-11-17 | 湖南艾布鲁环保科技股份有限公司 | Micro-polluted drinking water source biological ecological restoration system and method |
| CN112551671A (en) * | 2021-01-04 | 2021-03-26 | 北京敦益科技有限公司 | Sewage treatment device with breathing type suspension balls and treatment method |
| CN113428928A (en) * | 2021-06-28 | 2021-09-24 | 同济大学 | Method for purifying living chain continuous type uninterrupted high-salinity wastewater |
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