CN204111415U - A kind of sewage purification multi-stage biological reaction unit - Google Patents
A kind of sewage purification multi-stage biological reaction unit Download PDFInfo
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- CN204111415U CN204111415U CN201420520253.7U CN201420520253U CN204111415U CN 204111415 U CN204111415 U CN 204111415U CN 201420520253 U CN201420520253 U CN 201420520253U CN 204111415 U CN204111415 U CN 204111415U
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Abstract
A kind of sewage purification multi-stage biological reaction unit, comprise at least two biological contact reactors and at least one precipitation settling tank that are connected by connecting pipeline, biological contact reactor comprises at least one anaerobic type biological contact reactor, anaerobic type biological contact reactor comprises inner canister I and outer tank I, has annular water gap between inner canister I and outer tank I; Biological contact reactor also comprises at least one aerobic biological contact reactor, aerobic biological contact reactor comprises inner canister II and outer tank II, there is annular water gap between inner canister II and outer tank II, in inner canister II, be provided with biologic packing material system and aerating system; Sewage is discharged after flowing through anaerobic type biological contact reactor, aerobic biological contact reactor and precipitation settling tank successively.The utility model is at guarantee water outlet COD, BOD
5, on the index such as ammonia nitrogen basis up to standard, total nitrogen, total phosphorus qualified can also be made, more thorough to the treatment effect of sewage.
Description
Technical field
The utility model relates to technical field of sewage, especially relates to a kind ofly utilizing the metabolic function of microorganism in water, consuming the impurity such as dirty Organic substance in water, thus reaches the multi-stage sewage purification multi-stage biological reaction unit of purifying water body object.
Background technology
In conventional art, middle-size and small-size buried sewage treatment equipment many employings Biological Contact Oxidation Process, namely in biological reaction tank, biologic packing material is hung, filler grows microbial film, aerating apparatus is used for the microorganism above filler and the active sludge oxygen in sewage, on microbial film bacteria metabolism effect under, in sewage, organic dirt is removed, and sewage is purified.Following defect is there is: in biological contact oxidation pond, there is different microorganisms in above-mentioned technology, various different microorganisms is to due to metabolic type and different to the requirement of nutrition, thus the struggle for existence formed between microorganism, reduce the cleaning action of microorganism to sewage.
A kind of multi-stage biological contact oxidation reactor sewage disposal device is disclosed in CN103387312 application for a patent for invention, this equipment comprises at least two the bio-contact oxidation tanks and a settling pond that are connected in series by connecting tube, by annulus conducting between the inner and outer tank of wherein bio-contact oxidation tank, floated bionic aquatic weed biologic packing material system and aerator are set in interior tank body, aerating system that air supervisor, aerator are formed; Settling pond comprises precipitation clarification tank body, and the bottom of tank body is mud collection area, and precipitation clarification tank body axial centre is perpendicular stream pipe, and the submersible sewage pump for spoil disposal is placed on mud collection area, and submersible sewage pump is connected with shore pipe.Traditional single stage biological contact oxidation pond is become multi-stage biological catalytic oxidation sewage disposal device by this equipment, the biology of different stage can flow between tank body, thus the microorganism selection spatially realizing Different growth phases and difference in functionality distributes, overcome the antagonistic action between different population, significantly improve sewage treating efficiency; Inside and outside tank body is by annular water conservancy diversion gap conducting, interior tank interior is aeration zone, the interlayer of inside and outside tank body time is the settling region of mud-water separation, after mud-water separation, major part mud passes through annular water conservancy diversion gap automatic sedimentation to aeration zone, ensure that active sludge does not run off, and whole reflux course is without power consumption, has saved electric energy.But there is following shortcoming in technique scheme: " aerobic-aerobic-clarification " technique that 1) this equipment adopts can only remove COD, BOD in sewage
5,the pollution substances such as ammonia nitrogen, positive effect is not had to the removing of the total nitrogen in water quality, total phosphorus, cause the total nitrogen in effluent quality, total phosphorus not up to standard, and nitrogen, phosphorus are the key pollutants matter causing body eutrophication, after above-mentioned sewage discharge not up to standard, still can cause the eutrophication of water body, cause the pollution of water body; 2) linear bionical tank specific surface area is little, and the bond area of microorganism on filler is little and sticking power is little, and microbial film easily comes off.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming existed in prior art, there is provided a kind of with anaerobic-aerobic-the clarify multi-stage biological reactor into technique main line, make the process of sewage more thorough, the technical scheme adopted is: a kind of sewage purification multi-stage biological reaction unit, comprise at least two biological contact reactors and at least one precipitation settling tank that are connected by connecting pipeline, it is characterized in that: described biological contact reactor comprises at least one anaerobic type biological contact reactor, described anaerobic type biological contact reactor comprises inner canister I and outer tank I, there is annular water gap between inner canister I and outer tank I, described biological contact reactor also comprises at least one aerobic biological contact reactor, described aerobic biological contact reactor comprises inner canister II and outer tank II, there is annular water gap between inner canister II and outer tank II, in inner canister II, be provided with biologic packing material system and aerating system, sewage is discharged after flowing through anaerobic type biological contact reactor, aerobic biological contact reactor and precipitation settling tank successively.
Technical characteristic of the present utility model also has: the filler of described biologic packing material system is MBBR filler, is fixed on the bottom of inner canister II after described MBBR filler nylon rope series connection.
Technical characteristic of the present utility model also has: described precipitation settling tank comprises tank body and is positioned at the mud collection area of tank base, in mud collection area, be provided with the sludge pump be connected with mud line, in tank body, above mud collection area, be also provided with perpendicular stream the be connected with connecting pipeline manage.
Technical characteristic of the present utility model also has: described tank body is stainless steel.
Technical characteristic of the present utility model also has: described aerating system comprises vertical main tracheae and gill formula aerating apparatus, is communicated with horizontal tracheae in vertical main tracheae end, and horizontal tracheae is used for gill formula aerating apparatus air feed.
Technical characteristic of the present utility model also has: the top of each biological contact reactor and precipitation settling tank is equipped with access hole pedestal, access hole pedestal is provided with access hole, access hole is provided with the access hole cover plate coordinated with it.
Technical characteristic of the present utility model also has: each biological contact reactor all has water-in and water outlet, and the water outlet of previous biological contact reactor connects the water-in of a rear biological contact reactor by connecting pipeline; The water-in of precipitation settling tank is connected with the water outlet of last biological contact reactor by connecting pipeline, and the sewage after process is arranged outward by the rising pipe of precipitation settling tank.
Technical characteristic of the present utility model also has: the tank body of described inner canister I, outer tank I, inner canister II, outer tank II and precipitation settling tank is stainless steel.
The beneficial effects of the utility model are: 1) the utility model changes the operational path of multi-stage biological reactor in prior art, aerobic-aerobic-settled sewage process route is become the operational path of anaerobic-aerobic-clarification, thus carry out anti-nitration reaction at anaerobic stages, become nitrogen to overflow from water with the hydrogen reduction of nitrous state nitre state oxygen, reach the object of denitrogenating; Anaerobic stages is also the process of phosphoric in bacterium release cells, after bacterium release phosphoric, can absorb the phosphoric in sewage in a large number, reach the object removing phosphor in sewage element at the aerobic stage carried out thereafter; Technique after improvement is at guarantee water outlet COD, BOD
5, on the index such as ammonia nitrogen basis up to standard, total nitrogen, total phosphorus qualified can also be made, more thorough to the treatment effect of sewage.2) MBBR series connection filler adds the specific surface area of filler, for microorganism provides more, more stable attachment space, is conducive to the removal of microbial film to pollution substance.3) gill formula aerator is than common membrane type aerator energy energy-conservation 14.75%.4) stainless steel tank body instead of glass reinforced plastic tank body of the prior art, although glass reinforced plastic tank body cost is low, but this kind of material be no matter use from the selection of raw material, the processing of tank body, the landfill of tank body, all there is the risk of contaminate environment in the waste treatment process of tank body, do not meet the needs of cleaner production, the a large amount of harmful dusts produced in tank body production process, atmosphere pollution is larger to harm; Tank body in placing into the soil can cause irreversible pollution to soil, after tank body is discarded, not only glass reinforced plastic does not have recovery value, also non-degradable, therefore this device adopts stainless steel to replace glass reinforced plastic to make tank body, thus will drop to minimum to the harm of environment and human body, and in use become to bear larger pressure, not yielding, any pollution is not produced to environment.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model structural representation, wherein 1, annular water gap; 2, interior tank body; 3, outer tank body; 4, water-in; 5, access hole pedestal; 6, water leg; 7, rising pipe; 8, connecting pipeline; 9, wired hose; 10, fan shroud; 11, blower fan; 12, fan supporter; 13, access hole cover plate; 14, perpendicular stream pipe; 15, mud line; 16, mud collection area; 17, sludge pump; 18, MBBR series connection filler; 19, vertical main tracheae; 20, aerating apparatus support; 21, gill formula aerating apparatus, I is anaerobic type biological contact reactor, and II is aerobic biological contact reactor, and III is precipitation settling tank.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described.The utility model discloses a kind of sewage purification multi-stage biological reaction unit, comprise at least two biological contact reactors and at least one precipitation settling tank III that are connected by connecting pipeline, biological contact reactor comprises at least one anaerobic type biological contact reactor I, anaerobic type biological contact reactor I comprises inner canister I 2 and outer tank I 3, has annular water gap between inner canister I 2 and outer tank I 3.Biological contact reactor also comprises at least one aerobic biological contact reactor, aerobic biological contact reactor II comprises inner canister II and outer tank II, between inner canister II and outer tank II, also there is annular water gap, in inner canister II, be provided with biologic packing material system and aerating system.Precipitation settling tank III comprises tank body and is positioned at the mud collection area 16 of tank base, is provided with the sludge pump 17 be connected with mud line 15, is also provided with the perpendicular stream pipe 14 be connected with connecting pipeline 8 in tank body, above mud collection area 16 in mud collection area 16.Pending sewage is discharged after flowing through anaerobic type biological contact reactor I, aerobic biological contact reactor and precipitation settling tank III successively.
The filler of the biologic packing material system adopted in the present embodiment is that MBBR series connection filler 18, MBBR series connection filler 18 refers to filler fixing for MBBR filler with nylon rope.For reducing the power consumption of complete assembly, aerating system comprises vertical main tracheae 19 and gill formula aerating apparatus 21, is communicated with horizontal tracheae in vertical main tracheae 19 end, and horizontal tracheae is used for gill formula aerating apparatus 21 air feed.The gill formula aerating apparatus that this place claims refers to the aerating apparatus with the annular filter disc that a group fits, every aerating apparatus with such one group of annular filter disc fitted, all can be described as gill formula aerating apparatus, combined type gas dispersing device disclosed in application number No. 2011101066765 patents of invention.
The top of each biological contact reactor and precipitation settling tank III is equipped with access hole pedestal 5, access hole pedestal 5 is provided with access hole, access hole is provided with the access hole cover plate 13 coordinated with it.
Each biological contact reactor all has water-in and water outlet, and the water outlet of previous biological contact reactor connects the water-in of a rear biological contact reactor by connecting pipeline; The water-in of precipitation settling tank is connected with the water outlet of last biological contact reactor by connecting pipeline 8, and the sewage after process is arranged outward by the rising pipe of precipitation settling tank.
In order to protection of the environment and extend tank body work-ing life, the tank body in anaerobic type biological contact reactor I, aerobic biological contact reactor II and precipitation settling tank III is stainless steel.
Certainly; above-mentioned explanation is not limitation of the utility model; the utility model is also not limited only to above-mentioned citing, the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also belongs to protection domain of the present utility model.
Claims (8)
1. a sewage purification multi-stage biological reaction unit, comprise at least two biological contact reactors and at least one precipitation settling tank that are connected by connecting pipeline, it is characterized in that: described biological contact reactor comprises at least one anaerobic type biological contact reactor, described anaerobic type biological contact reactor comprises inner canister I and outer tank I, has annular water gap between inner canister I and outer tank I; Described biological contact reactor also comprises at least one aerobic biological contact reactor, described aerobic biological contact reactor comprises inner canister II and outer tank II, there is annular water gap between inner canister II and outer tank II, in inner canister II, be provided with biologic packing material system and aerating system; Sewage is discharged after flowing through anaerobic type biological contact reactor, aerobic biological contact reactor and precipitation settling tank successively.
2. according to sewage purification multi-stage biological reaction unit according to claim 1, it is characterized in that: the filler of described biologic packing material system is MBBR filler, after described MBBR filler nylon rope series connection, be fixed on the bottom of inner canister II.
3. according to sewage purification multi-stage biological reaction unit according to claim 2, it is characterized in that: described precipitation settling tank comprises tank body and is positioned at the mud collection area of tank base, in mud collection area, be provided with the sludge pump be connected with mud line, in tank body, above mud collection area, be also provided with perpendicular stream the be connected with connecting pipeline manage.
4. according to sewage purification multi-stage biological reaction unit according to claim 2, it is characterized in that: described tank body is stainless steel.
5. according to sewage purification multi-stage biological reaction unit according to claim 2, it is characterized in that: described aerating system comprises vertical main tracheae and gill formula aerating apparatus, be communicated with horizontal tracheae in vertical main tracheae end, horizontal tracheae is used for gill formula aerating apparatus air feed.
6. according to sewage purification multi-stage biological reaction unit according to claim 2, it is characterized in that: the top of each biological contact reactor and precipitation settling tank is equipped with access hole pedestal, access hole pedestal is provided with access hole, access hole is provided with the access hole cover plate coordinated with it.
7. according to sewage purification multi-stage biological reaction unit according to claim 2, it is characterized in that: each biological contact reactor all has water-in and water outlet, the water outlet of previous biological contact reactor connects the water-in of a rear biological contact reactor by connecting pipeline; The water-in of precipitation settling tank is connected with the water outlet of last biological contact reactor by connecting pipeline, and the sewage after process is arranged outward by the rising pipe of precipitation settling tank.
8. according to sewage purification multi-stage biological reaction unit according to claim 2, it is characterized in that: the tank body of described inner canister I, outer tank I, inner canister II, outer tank II and precipitation settling tank is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420520253.7U CN204111415U (en) | 2014-09-11 | 2014-09-11 | A kind of sewage purification multi-stage biological reaction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420520253.7U CN204111415U (en) | 2014-09-11 | 2014-09-11 | A kind of sewage purification multi-stage biological reaction unit |
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| CN204111415U true CN204111415U (en) | 2015-01-21 |
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| CN201420520253.7U Active CN204111415U (en) | 2014-09-11 | 2014-09-11 | A kind of sewage purification multi-stage biological reaction unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105152498A (en) * | 2015-10-26 | 2015-12-16 | 河海大学 | Fish-gill-type oxygen-carrying purification system capable of rotating freely |
| CN107459205A (en) * | 2017-08-09 | 2017-12-12 | 浙江大学宁波理工学院 | Drain contamination for river channel mouth wastewater treatment equipment and processing method |
| CN108862591A (en) * | 2018-09-06 | 2018-11-23 | 青岛沃安环境科技有限公司 | A kind of multistage AO sewage disposal device of intensified denitrification and dephosphorization function |
-
2014
- 2014-09-11 CN CN201420520253.7U patent/CN204111415U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105152498A (en) * | 2015-10-26 | 2015-12-16 | 河海大学 | Fish-gill-type oxygen-carrying purification system capable of rotating freely |
| CN107459205A (en) * | 2017-08-09 | 2017-12-12 | 浙江大学宁波理工学院 | Drain contamination for river channel mouth wastewater treatment equipment and processing method |
| CN108862591A (en) * | 2018-09-06 | 2018-11-23 | 青岛沃安环境科技有限公司 | A kind of multistage AO sewage disposal device of intensified denitrification and dephosphorization function |
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