CN102887591A - Water treatment suspension biological carrier - Google Patents
Water treatment suspension biological carrier Download PDFInfo
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- CN102887591A CN102887591A CN2011102056794A CN201110205679A CN102887591A CN 102887591 A CN102887591 A CN 102887591A CN 2011102056794 A CN2011102056794 A CN 2011102056794A CN 201110205679 A CN201110205679 A CN 201110205679A CN 102887591 A CN102887591 A CN 102887591A
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Abstract
The invention relates to a water treatment suspension biological carrier. The water treatment suspension biological carrier is characterized in that a saw-toothed radial projection 2 is arranged on the peripheral surface of a circular tube 1 along the circumferential direction; radial support plates 3 are arranged in a hollow cavity of the circular tube 1 and evenly separate the inner cavity of the circular tube 1 into 6 equal parts along the circumferential direction; the length of the circular tube 1 is 0.5-1 centimeters, the ratio of the external diameter to the length of the circular tube 1 is (2:1)-(1:1), and the wall thickness of the circular tube 1 is 0.5-1.0 millimeters; the density of a carrier material is 0.96-0.98 gram/centimeter<3>, the carrier material is a composite material and is added with a macromolecular hydrophilic material by weight percent of 10-30 and bio-enzyme by weight percent of 15-25; and a preparation method is that 57-82wt.% of polyethylene, 1-8wt.% polyvinyl alcohol, 1-2wt.% of iron powder, 7-23wt.% kieselguhr, 2-8wt.% activated carbon, 1-6wt.% cellulose, 1-6wt.% bone powder, 5-30wt.% calcium carbonate, 7-20wt.% of kaolin and 1-12wt.% the iron powder are uniformly mixed by weight percent, and the materials are put into an extruding machine to extrude a hydrophilic active biological membrane suspension carrier finished product with a circular tube structure.
Description
Technical field
The invention belongs to water-treatment technology field, relate in particular to the employed suspended biological carrier of a kind of biochemical water treatment technology.
Background technology
There is the pollutent that utilizes in microorganism and the sewage to carry out biochemical reaction with the biochemical processing process of degradation of contaminant, raising effluent quality in the water technology.Biomembrane process is arranged in the biochemical processing process, to adopt proportion less than 1 the material carrier as microorganic adhesion, a certain amount of carrier is put in the biofilm reactor, through cultivation after a while, the microorganism that can adhere to One's name is legion on the carrier, be called microbial film, microbial film further with sewage in pollutent generation biochemical reaction, microorganism is carrying out the metabolic pollutant load that has namely reduced simultaneously water body, played the effect of purifying waste water, for follow-up unit for treating water ready.
Suspended biological carrier is the core of biomembrane process, and the kind of carrier is a lot, has also passed through improvement many times in long-term use.Because present pollution of waterhead in the world is serious, water resources is more precious, so people need suspended biological carrier of today can have higher water treatment efficiency.
Summary of the invention
The invention provides that a kind of water treatment efficiency is high, the water treating suspended bio-carrier of long service life.
For achieving the above object, the technical solution used in the present invention is: a kind of water treating suspended bio-carrier, and its main body is pipe, it is characterized in that:
The edge is circumferentially with jagged radial protrusion on the periphery of described pipe;
Be provided with the radial support plate in the inner chamber of described pipe, this back up pad circumferentially is separated into uniform six equal portions with the inner chamber edge of pipe;
The length of described pipe is 0.5～1cm, and the length ratio value of the external diameter of pipe and pipe is 2: 1～1: 1, and the wall thickness of pipe is 0.5-1.0mm;
The density of described solid support material is 0.96～0.98g/cm
3, solid support material is matrix material, and as base material, and to add weight percent be that 10～30 high molecular weight hydrophilic material and weight percent are 15～25 biological enzyme with high-density polyethylene resin, and making method is:
Distribute by weight percentage: polyethylene 57～82wt.% polyvinyl alcohol 1～8wt.% iron powder 1～2wt.% diatomite 7～23wt.% gac 2～8wt.% Mierocrystalline cellulose 1～6wt.% bone meal 1～6wt.% calcium carbonate 5～30wt.% kaolin 7～20wt.% iron powder 1～12wt.% evenly mixes, and drops into the hydrophilic active biological film suspend carrier finished product that forcing machine is extruded the tubular type structure.Related content in the technique scheme is explained as follows:
1, in the such scheme, the density of described solid support material is 0.97g/cm
3
2, in the such scheme, described high molecular weight hydrophilic material is methacrylic acid.
Principle of work of the present invention is: add suspended biological carrier and aeration in aerobic water processing reactor, carrier is suspended in the sewage, carrier rotation rolling under gas push, to expose to the sun into air pocket cut into small bubbles, microorganism in the sewage and oxygen contact with pollution substance in the sewage, biochemical reaction occurs, the cultivation later layer microorganic adhesion of for some time is at carrier surface, be microbial film, biomembranous skin is aerobic microbiological, and internal layer is anaerobism and/or facultative microbe, aerobic, anaerobism and/or facultative microbe acting in conjunction, further the pollutent in the sewage is removed in degraded, that is has purified sewage, for follow-up unit for treating water is prepared.Aerobic biochemical reaction main purpose wherein is to remove organic pollution materials, and combination main purpose aerobic and anaerobism/facultative anaerobic biochemical reaction is denitrogenation.
In the anoxic water treatment reactor, add suspended biological carrier, carrier is suspended in the sewage, aeration not in the sewage, carrier just slightly rotates rolling with the fluctuation of current, adhered to one deck microorganism after the cultivation of for some time on the carrier, it is microbial film, biomembranous skin is aerobic microbiological, internal layer is anaerobism and/or facultative microbe, aerobic microbiological wherein contacts with air by the rotation rolling of carrier, utilizes airborne oxygen to carry out the aerobic biochemical reaction, and the anaerobism of internal layer, facultative microbe is also carrying out the reaction of anaerobism and facultative anaerobic biochemical simultaneously, final purification sewage, for follow-up unit for treating water is prepared.Aerobic biochemical reaction wherein mainly is to remove organic pollution materials, and combination main purpose aerobic and anaerobism/facultative anaerobic biochemical reaction is denitrogenation.
The microbial film that carrier adheres in the aerobic water processing reactor, the ratio of various microorganisms has difference in the microbial film that carrier adheres in the anoxic water treatment reactor, therefore the various biochemical reactions that carry out in two kinds of reactors are also different, and the final water treatment effect that realizes is also with difference.
Because the utilization of technique scheme, the present invention compared with prior art has following advantages:
1, because the pipe inner chamber of carrier of the present invention has been separated into six uniform little spaces with the radial support plate, for aerobic microbiological provides sufficient growing space, be beneficial to gas and the sewage current pass through, aerobic microbiological is fully contacted with sewage, finish the mass transfer process of aerobic biochemical reaction, aerobic biochemical reacts completely, and aerobic microbiological is positioned at biomembranous skin, and this separation mode also allows anaerobism, the facultative microbe of microbial film internal layer can be good at simultaneously growth.The separation mode of this kind six equal portions makes the ratio of aerobic microbiological and detesting/facultative microbe better, and through test, the water treatment effect is best.
2, owing to having jagged radial protrusion on the periphery of pipe among the present invention, when a large amount of carriers rotate rolling simultaneously in water body, radial protrusion can decompose the mutual impulsive contact force between carrier, makes the mutual collision between carrier can be too inviolent, and the microbial film of avoiding adhering on the carrier rubs off.
3, because the support chip that pipe inner chamber of the present invention has is supporting carrier, so carrier is more firm, and more shock resistance can be because collision produce deformation, long service life.
4, because the outer jagged radial protrusion of the circular tube structure that carrier of the present invention has and pipe, make carrier more easily rolling rotation under the promotion of gas or current, the carrier of rotation rolling can cut rising bubble in the aerobic reactor of aeration, after air pocket is cut into small bubbles, transmission and the diffusion effect of oxygen are better, have improved the aerobic biochemical speed of response of microorganism; In anoxic reacter, the carrier of rotation rolling also can accelerate contacting of microorganism and atmosphere, carries out biochemical reaction in order to aerobic microbiological.
5, because the density of solid support material of the present invention is 0.96～0.98g/cm
3, further be 0.97g/cm
3, make the proportion of carrier integral body after the biofilm less than the proportion 1 of sewage, make being suspended in the reactor water body that carrier can be more stable through testing this density.
6, because the pipe inner chamber of carrier of the present invention evenly has been separated into six little spaces with the radial support plate, the jagged radial protrusion that the periphery of pipe has, and the length dimension of carrier, outside dimension and wall thickness, jointly make this carrier have sizable specific surface area, reached approximately 700m
2/ m
3, the contact surface area of microorganism and carrier is large, makes the adhesion amount of microorganism high, and namely the biofilm rate is high, finally improves water treatment efficiency.
7, made by matrix material owing to carrier of the present invention, with high-density polyethylene resin as base material, and to add weight percent be that 10～30 high molecular weight hydrophilic material and weight percent are 15～25 biological enzyme, changed the hydrophobic property of polyvinyl resin and to the inertia of microorganism.After adding water wetted material in the carrier substrate, the wettability of carrier surface improves, and has also just improved the mass transfer ability of carrier, makes microorganism more easily be attached to carrier surface, and the carrier surface film forming speed improves, and saves and cultivates cost; After adding biological enzyme in the carrier substrate, the microorganism of carrier surface carries out metabolic speed and greatly accelerates, and microbial growth is accelerated, and has namely reduced the carrier biofilm time, also can save the cultivation cost.
Description of drawings
Accompanying drawing 1 is front view of the present invention;
Accompanying drawing 2 is the left view of Fig. 1;
Accompanying drawing 3 is the vertical view of Fig. 1.
In the above accompanying drawing: 1, pipe; 2, projection; 3, back up pad.
Embodiment
The invention will be further described below in conjunction with drawings and Examples:
Embodiment: shown in accompanying drawing 1～3, a kind of water treating suspended bio-carrier, its main body is pipe 1, the edge is circumferentially with jagged radial protrusion 2 on the periphery of pipe 1; Be provided with radial support plate 3 in the inner chamber of pipe 1, this back up pad 3 circumferentially is separated into uniform six equal portions with the inner chamber edge of pipe 1; The length of pipe 1 is 0.7cm, and external diameter is 1.1cm, and the length ratio value of the external diameter of pipe 1 and pipe 1 is 1.6, and the wall thickness of pipe 1 is 0.8mm;
Solid support material is matrix material, and as base material, and to add weight percent be that 10～30 high molecular weight hydrophilic material and weight percent are 15～25 biological enzyme with high-density polyethylene resin, and making method is:
Distribute by weight percentage: polyethylene 57～82wt.% polyvinyl alcohol 1～8wt.% iron powder 1～2wt.% diatomite 7～23wt.% gac 2～8wt.% Mierocrystalline cellulose 1～6wt.% bone meal 1～6wt.% calcium carbonate 5～30wt.% kaolin 7～20wt.% iron powder 1～12wt.% evenly mixes, the length that the input forcing machine is extruded the hydrophilic active biological film suspend carrier finished product pipe 1 of tubular type structure is that 0.5～1cm all can, the ratio of external diameter and length is all could in 2: 1～1: 1, the wall thickness of carrier be 0.5～1.0mm all can, the density of solid support material is 0.96～0.98g/cm
3All can, when being 0.97g/cm
3Shi Xiaoguo is better.
The proportion of carrier is suspended in the sewage less than sewage.In the engineering practice, when in aerobic water processing reactor, adding carrier and aeration, carrier rotation rolling under gas push, to expose to the sun into air pocket cut into small bubbles, microorganism in the sewage and oxygen contact with pollution substance in the sewage, biochemical reaction occurs, the cultivation later layer microorganic adhesion of for some time is at carrier surface, be microbial film, biomembranous skin is aerobic microbiological, and internal layer is anaerobism and/or facultative microbe, aerobic, anaerobism and/or facultative microbe acting in conjunction, further the pollutent in the sewage is removed in degraded, that is has purified sewage, for follow-up unit for treating water is prepared.Aerobic biochemical reaction main purpose wherein is to remove organic pollution materials, and combination main purpose aerobic and anaerobism/facultative anaerobic biochemical reaction is denitrogenation.
In the anoxic water treatment reactor, add suspended biological carrier, carrier is suspended in the sewage, aeration not in the sewage, carrier just slightly rotates rolling with the fluctuation of current, adhered to one deck microorganism after the cultivation of for some time on the carrier, it is microbial film, biomembranous skin is aerobic microbiological, internal layer is anaerobism and/or facultative microbe, aerobic microbiological wherein contacts with air by the rotation rolling of carrier, utilizes airborne oxygen to carry out the aerobic biochemical reaction, and the anaerobism of internal layer, facultative microbe is also carrying out the reaction of anaerobism and facultative anaerobic biochemical simultaneously, final purification sewage, for follow-up unit for treating water is prepared.Aerobic biochemical reaction wherein mainly is to remove organic pollution materials, and combination main purpose aerobic and anaerobism/facultative anaerobic biochemical reaction is denitrogenation.
The microbial film that carrier adheres in the aerobic water processing reactor, the ratio of various microorganisms has difference in the microbial film that carrier adheres in the anoxic water treatment reactor, therefore the various biochemical reactions that carry out in two kinds of reactors are also different, and the final water treatment effect that realizes is also with difference.
The specific surface area of the carrier of the present embodiment has reached 700m
2/ m
3, owing to the water wetted material and the biological enzyme that add in the carrier material, the biofilm speed of carrier is accelerated greatly simultaneously, and water treatment efficiency is higher.Engineering practice proves, uses this suspended biological carrier in the aerobic reaction pond, as DO (dissolved oxygen concentration)=2～3.5mg/L, and in the time of t (water temperature)=25 ℃, BOD
5Clearance reaches 80%, and far above 50～60% of common aerobic reaction pond, ammonia nitrogen removal frank reaches 97% simultaneously, far above 30～50% of common pond.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present invention and according to this enforcement, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (2)
1. water treating suspended bio-carrier, its main body is pipe, it is characterized in that:
The edge is circumferentially with jagged radial protrusion 2 on the periphery of described pipe 1;
Be provided with radial support plate 3 in the inner chamber of described pipe 1, this back up pad 3 circumferentially is separated into uniform six equal portions with the inner chamber edge of pipe 1;
The length of described pipe 1 is 0.5～1cm, and the length ratio value of the external diameter of pipe 1 and pipe 1 is 2: 1～1: 1, and the wall thickness of pipe 1 is 0.5-1.0mm;
The density of described solid support material is 0.96～0.98g/cm
3, solid support material is matrix material, and as base material, and to add weight percent be that 10～30 high molecular weight hydrophilic material and weight percent are 15～25 biological enzyme with high-density polyethylene resin, and making method is:
Distribute by weight percentage: polyethylene 57～82wt.% polyvinyl alcohol 1～8wt.% iron powder 1～2wt.% diatomite 7～23wt.% gac 2～8wt.% Mierocrystalline cellulose 1～6wt.% bone meal 1～6wt.% calcium carbonate 5～30wt.% kaolin 7～20wt.% iron powder 1～12wt.% evenly mixes, and drops into the hydrophilic active biological film suspend carrier finished product that forcing machine is extruded the tubular type structure.
2. water treating suspended bio-carrier according to claim 1, it is characterized in that: the density of described solid support material is 0.97g/cm
3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102056794A CN102887591A (en) | 2011-07-22 | 2011-07-22 | Water treatment suspension biological carrier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102056794A CN102887591A (en) | 2011-07-22 | 2011-07-22 | Water treatment suspension biological carrier |
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| CN102887591A true CN102887591A (en) | 2013-01-23 |
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| CN2011102056794A Pending CN102887591A (en) | 2011-07-22 | 2011-07-22 | Water treatment suspension biological carrier |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103566892A (en) * | 2013-09-26 | 2014-02-12 | 蚌埠华纺滤材有限公司 | Bone meal modified activated carbon and preparation method thereof |
| CN103755009A (en) * | 2014-02-14 | 2014-04-30 | 杭州天宇环保工程实业有限公司 | Biological film packing and preparation process thereof |
| CN105347477A (en) * | 2015-11-13 | 2016-02-24 | 南京工业大学 | Biomimetic fluidized carrier used for biological fluidized bed for wastewater treatment, preparing method of the carrier and applications of the carrier |
| CN105565496A (en) * | 2016-02-29 | 2016-05-11 | 宜兴市创新环保有限公司 | Novel filler device |
| CN105565611A (en) * | 2016-02-29 | 2016-05-11 | 宜兴市创新环保有限公司 | Novel mobile sanitary sewage treatment device |
| CN105565485A (en) * | 2016-02-29 | 2016-05-11 | 宜兴市创新环保有限公司 | Novel sewage tank |
| CN105836902A (en) * | 2016-06-12 | 2016-08-10 | 煤科集团杭州环保研究院有限公司 | Multi-chamber composite biological carrier and method for treating fixed-bed gasification wastewater |
| CN106045019A (en) * | 2015-04-09 | 2016-10-26 | 积水设备系统株式会社 | Carrier for holding microorganism, wastewater treatment method and wastewater treatment system |
| CN106189565A (en) * | 2016-07-22 | 2016-12-07 | 黄瑞 | One's own physical property coating and application and one's own physical property floating stuffing and preparation method thereof |
| CN106336000A (en) * | 2016-08-29 | 2017-01-18 | 浙江恒生印染有限公司 | Phosphorus-free environment-friendly sewage treatment method |
| CN107416968A (en) * | 2017-04-26 | 2017-12-01 | 重庆市机电设计研究院 | New packing sewage-treatment plant |
| CN107651748A (en) * | 2017-10-24 | 2018-02-02 | 李成明 | A kind of microbe carrier for sewage disposal |
| CN108862562A (en) * | 2017-05-09 | 2018-11-23 | 中国石油化工股份有限公司 | Biomembrane suspending carrier and its method of application and biological contact oxidization treatment waste water |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103566892A (en) * | 2013-09-26 | 2014-02-12 | 蚌埠华纺滤材有限公司 | Bone meal modified activated carbon and preparation method thereof |
| CN103755009A (en) * | 2014-02-14 | 2014-04-30 | 杭州天宇环保工程实业有限公司 | Biological film packing and preparation process thereof |
| CN103755009B (en) * | 2014-02-14 | 2015-12-30 | 杭州天宇环保工程实业有限公司 | A kind of biofilm packing and preparation technology thereof |
| CN106045019A (en) * | 2015-04-09 | 2016-10-26 | 积水设备系统株式会社 | Carrier for holding microorganism, wastewater treatment method and wastewater treatment system |
| CN105347477A (en) * | 2015-11-13 | 2016-02-24 | 南京工业大学 | Biomimetic fluidized carrier used for biological fluidized bed for wastewater treatment, preparing method of the carrier and applications of the carrier |
| CN105347477B (en) * | 2015-11-13 | 2018-06-08 | 南京工业大学 | A kind of wastewater treatment bionical fluidisation carrier used for biological fluidized bed and its preparation method and application |
| CN105565496A (en) * | 2016-02-29 | 2016-05-11 | 宜兴市创新环保有限公司 | Novel filler device |
| CN105565485A (en) * | 2016-02-29 | 2016-05-11 | 宜兴市创新环保有限公司 | Novel sewage tank |
| CN105565611A (en) * | 2016-02-29 | 2016-05-11 | 宜兴市创新环保有限公司 | Novel mobile sanitary sewage treatment device |
| CN105836902A (en) * | 2016-06-12 | 2016-08-10 | 煤科集团杭州环保研究院有限公司 | Multi-chamber composite biological carrier and method for treating fixed-bed gasification wastewater |
| CN105836902B (en) * | 2016-06-12 | 2018-08-17 | 煤科集团杭州环保研究院有限公司 | A kind of multi-chamber compound bio carrier and method for handling fixed bed gasification waste water |
| CN106189565A (en) * | 2016-07-22 | 2016-12-07 | 黄瑞 | One's own physical property coating and application and one's own physical property floating stuffing and preparation method thereof |
| CN106189565B (en) * | 2016-07-22 | 2018-07-06 | 黄瑞 | One's own physical property coating and its application and one's own physical property floating stuffing and preparation method thereof |
| CN106336000A (en) * | 2016-08-29 | 2017-01-18 | 浙江恒生印染有限公司 | Phosphorus-free environment-friendly sewage treatment method |
| CN106336000B (en) * | 2016-08-29 | 2019-02-01 | 浙江恒生印染有限公司 | A kind of without phosphorus sewage water treatment method |
| CN107416968A (en) * | 2017-04-26 | 2017-12-01 | 重庆市机电设计研究院 | New packing sewage-treatment plant |
| CN108862562A (en) * | 2017-05-09 | 2018-11-23 | 中国石油化工股份有限公司 | Biomembrane suspending carrier and its method of application and biological contact oxidization treatment waste water |
| CN108862562B (en) * | 2017-05-09 | 2021-12-17 | 中国石油化工股份有限公司 | Biological membrane suspension carrier and application thereof, and method for treating wastewater by biological contact oxidation |
| CN107651748A (en) * | 2017-10-24 | 2018-02-02 | 李成明 | A kind of microbe carrier for sewage disposal |
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Application publication date: 20130123 |