CN203877967U - Integrated four-zone denitrification reaction device - Google Patents
Integrated four-zone denitrification reaction device Download PDFInfo
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- CN203877967U CN203877967U CN201420172610.5U CN201420172610U CN203877967U CN 203877967 U CN203877967 U CN 203877967U CN 201420172610 U CN201420172610 U CN 201420172610U CN 203877967 U CN203877967 U CN 203877967U
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Abstract
The utility model relates to an integrated four-zone denitrification reaction device and belongs to the field of sewage treatment. According to the device, the tank walls of four zones, namely an aerobic zone, a micro-aerobic zone, an anoxic zone and a clarification zone are shared, the four zones are simple and compact, no pipelines are needed for connecting the four zones, the device and energy resources added due to sludge reflux and nitrification liquid reflux are saved, microbial communities are abundant and diversified, the nitrogen removal efficiency is further enhanced by virtue of point-by-point water inflow and a reliable device is provided for decentralized wastewater treatment. Wastewater flows into the bottom of an aerobic biofilm zone (A) and simultaneous nitrification and denitrification and removal of organic matters are carried out; wastewater overflowing from the upper part of the aerobic biofilm zone (A) and wastewater generated during point-by-point water inflow together enter the micro-aerobic zone (B); a large amount of NO3- contained in the wastewater passing through the micro-aerobic zone (B) and organic matters enter the anoxic zone (C) located at the bottom of the reactor and are subjected to denitrification; wastewater passes through the inclined tube clarification zone (D) from the anoxic zone (C) and is then discharged, and sludge returns back to the anoxic zone due to the action of gravity.
Description
Technical field
The utility model belongs to technical field of sewage.
Background technology
Scattering sewage treatment have pollute wide, difficultly collect, source is wide, organic concentration is low, contain higher people and animals' fecaluria composition in sewage, nitrogen content high, as: rural area, tourist district, service station, suburb not wild waste water etc. disperse regional sewage.Although the techniques such as existing urban sewage treatment technology A/A/O, A/O are feasible, to invest highly, working cost is large, and management expectancy is high, is disperseing area to be difficult to promote the use of; Although it is low, simple to operate to obtain at home land treatment technique, the bio-ecological combination technology running cost of extensive concern at present, is subject to such environmental effects obvious, thereby affects treatment effect.Therefore high-level efficiency, low input, low operating cost, the simple sewage disposal technology of Operation and Maintenance more meet scattering sewage treatment.
Integrated sewage treating apparatus, as the effective means of scattering sewage treatment, has the features such as occupation of land is little, instant effect, convenient operation and management.Aerobic moving bed biofilm system MBBR is a kind of high-efficiency sewage treatment technology, and this system is active sludge, the microbial film system that coexists, and biomass is large, and denitrification effect is good, and the advantage that energy consumption is low, do not stop up, do not need back flushing, easily runs off but shortcoming is filler; Purification tank has the ability of efficient removal organism, nutritive salt, easy for installation, simple operation and other advantages, but in Process of Localization, needs to solve the associated problem such as support equipment.So seek a kind of take up an area little, energy consumption is low, mud is few, simple to operate, impact-resistant integral type reaction device is the focus of research at present for the treatment of disperseing regional sewage.
Summary of the invention
The utility model is to remove nitrogen and organism for decentralized sewage, provide one to utilize many environmental organisms film-Sludge System integral type nitrogen rejection facility, have and take up an area the advantages such as little, energy consumption is little, excess sludge production is little, Operation and Maintenance is simple, equipment investment is few, there is good removal organism and denitrification functions; There is following characteristics: 1. in structure of reactor design, the treatment stage of by traditional separated type in conjunction with being optimized in same reactor, i.e. 4 district's integral reactors, this reactor comprises uncovered aerobic biologic membrane district, Wei Yangqu, oxygen-starved area, settling section, aerobic biologic membrane district is positioned at reactor center, Wei Yang district is around aerobic biologic membrane district, and oxygen-starved area is around Wei Yang district, and oxygen-starved area is arranged under aerobic biologic membrane district, Wei Yangqu, settling section; Aerobic biologic membrane district is provided with organic filler (as: soft-filler, semi soft packing, combined stuffing, elastic filler, porous ball-type floating stuffing etc.), the space structure that shaggy texture and filler inside strut, make the good fixed growth of microbial film, and being difficult for big area comes off, simultaneously, air water wherein unrestricted flow again in filler, for the growth of biofilm system provides good condition; Wei Yang district cylinder bus and round platform bus are established and are greater than 90 °, are less than 180 ° of angles, prevent from vertically washing away oxygen-starved area by the current action of gravity in aerobic biologic membrane district, destroy oxygen-starved area waterpower environment; Bottom, Wei Yang district is lower than bottom, aerobic biologic membrane district; Settling section arranges inclined tube, the mud floating that oxygen-starved area denitrification denitrogenation produces, the mud of floating is attached to and above inclined tube, reaches a certain amount of rear action of gravity and automatically sink to oxygen-starved area, impels mud fully to contact with nitrification liquid under the effect of stirring arm, carries out denitrification denitrogenation; Bottom, oxygen-starved area is provided with spoil disposal valve, for regular spoil disposal; The design of these reaction unit 4 district's integral types combines with branch water inlet technique and strengthens biological denitrificaion ability and provide a kind of economically viable treatment unit and treatment process for processing decentralized sewage.
Four district's integral type denitrogenation reactors, is characterized in that: it comprises former bucket 1, water inlet peristaltic pump 2, water inlet pipe 3, biological denitrification reactor 4, air pump 5, spinner-type flowmeter 6, pneumatic tube 7, aeration head 8, filler 9, branch water inlet peristaltic pump 10, branch water inlet pipe 11, stirrer 12, oblique stirring rake 13, inclined tube 14, spoil disposal valve 15, water outlet 16; Wherein biological denitrification reactor 4 is made up of uncovered aerobic biologic membrane district A, Wei Yang district B, oxygen-starved area C, settling section D, aerobic biologic membrane district A is positioned at middle, Wei Yang district B is looped around A outside, aerobic biologic membrane district, Wei Yang district B cylinder bus and round platform bus angle are greater than 90 ° and are less than 180 °, settling section D is looped around B outside, Wei Yang district, oxygen-starved area C is under aerobic biologic membrane district A, Wei Yang district B, settling section D, A top, aerobic biologic membrane district is lower than Wei Yang district top B, B bottom, Wei Yang district is lower than A bottom, aerobic biologic membrane district, and inclined tube is installed in the D of settling section.Water inlet pipe 3, aeration head 8, filler 9 are arranged in aerobic biologic membrane district A; Branch water inlet pipe 11 is arranged on Wei Yang district B; Tiltedly stirring rake 13 is arranged on oxygen-starved area C by aerobic biologic membrane A district, and spoil disposal valve 15 is arranged on oxygen-starved area C bottom; Inclined tube 14 is arranged on settling section D; Water inlet peristaltic pump 2 is connected with water inlet pipe 3; Branch water inlet peristaltic pump 10 is connected with branch water inlet pipe 11; Air pump 5, spinner-type flowmeter 6, pneumatic tube 7, aeration head 8 are connected successively; Aeration head 8 is arranged on aerobic biologic membrane district A bottom; Filler 9 is positioned at aerobic biologic membrane district A, directly over aeration head 8; Branch water inlet pipe 11 is positioned at the middle part of Wei Yang district B; Tiltedly stirring rake 13 is positioned at oxygen-starved area C middle part; Water outlet is positioned at settling section D.
Compared with prior art, the design of 4 district's one vertical reaction devices has the following advantages and gives prominence to effect the utility model:
(1) 4 district's pool wall shares.Aerobic zone, Wei Yangqu, oxygen-starved area, settling section 4 district's pool walls share, and concision and compact between each district, has greatly reduced floor space, and between each district, do not need pipeline to connect, and have reduced the cost of reaction unit.
(2) unpowered backflow.The aeration of bottom, aerobic biologic membrane district, center promotes aqueous vapor and upwards flows, and overflow enters Wei Yang district and enter oxygen-starved area under action of gravity, has saved conventional current and has promoted energy; When mud-water separation, mud is attached to above inclined tube, N
2separate with mud, mud automatically sinks to oxygen-starved area under action of gravity, saves the equipment and the energy that add because of sludge reflux; Nitrification liquid automatic back flow is to oxygen-starved area, saves because of nitrification liquid the reflux equipment and the energy that add.
(3) microflora is abundant.Vertical spatial design, has extended flow path, and each component is fully reacted; The different condition in each district forms rich and varied microflora, promotes denitrification efficiency from root;
(4) branch water inlet strengthened denitrification.Branch water inlet position is located at Wei Yang district and oxygen-starved area: Wei Yang district arranges a point water water entry, and nitrobacteria is by NH
4 +be oxidized to NO
3 -, the nitrification liquid one in COD and aerobic biologic membrane district coexist oxygen-starved area participate in denitrification denitrogenation; A point water water entry is set in oxygen-starved area, reduces the loss of Wei Yang district to COD, make to participate in the C source abundance of denitrification denitrogenation, improve denitrification usefulness.
Brief description of the drawings
Fig. 1 is the utility model schematic diagram.
Fig. 2 is application method schematic diagram of the present utility model.
In figure: the former bucket 2-water inlet of 1-peristaltic pump 3-water inlet pipe 4-biological denitrification reactor 5-air pump 6-spinner-type flowmeter 7-pneumatic tube 8-aeration head 9-filler 10-branch water inlet D-settling section, C-oxygen-starved area, B-Wei Yang district, the peristaltic pump 11-oblique stirring rake 14-of branch water inlet pipe 12-stirrer 13-inclined tube 15-spoil disposal valve 16-water outlet A-aerobic biologic membrane district
Embodiment
Explain detailedly below in conjunction with accompanying drawing 1,2 and embodiment, further to understand the utility model.
Device is shown in Fig. 1, four district's integral type denitrogenation reactors, is characterized in that: it comprises former bucket 1, water inlet peristaltic pump 2, water inlet pipe 3, biological denitrification reactor 4, air pump 5, spinner-type flowmeter 6, pneumatic tube 7, aeration head 8, filler 9, branch water inlet peristaltic pump 10, branch water inlet pipe 11, stirrer 12, oblique stirring rake 13, inclined tube 14, spoil disposal valve 15, water outlet 16; Wherein biological denitrification reactor 4 is made up of uncovered aerobic biologic membrane district A, Wei Yang district B, oxygen-starved area C, settling section D, aerobic biologic membrane district A is positioned at middle, Wei Yang district B is looped around A outside, aerobic biologic membrane district, Wei Yang district B cylinder bus and round platform bus angle are greater than 90 ° and are less than 180 °, settling section D is looped around B outside, Wei Yang district, oxygen-starved area C is under aerobic biologic membrane district A, Wei Yang district B, settling section D, A top, aerobic biologic membrane district is lower than Wei Yang district top B, B bottom, Wei Yang district is lower than A bottom, aerobic biologic membrane district, and inclined tube is installed in the D of settling section.Water inlet pipe 3, aeration head 8, filler 9 are arranged in aerobic biologic membrane district A; Branch water inlet pipe 11 is arranged on Wei Yang district B; Tiltedly stirring rake 13 is arranged on oxygen-starved area C by aerobic biologic membrane A district, and spoil disposal valve 15 is arranged on oxygen-starved area C bottom; Inclined tube 14 is arranged on settling section D; Water inlet peristaltic pump 2 is connected with water inlet pipe 3; Branch water inlet peristaltic pump 10 is connected with branch water inlet pipe 11; Air pump 5, spinner-type flowmeter 6, pneumatic tube 7, aeration head 8 are connected successively; Aeration head 8 is arranged on aerobic biologic membrane district A bottom; Filler 9 is positioned at aerobic biologic membrane district A, directly over aeration head 8; Branch water inlet pipe 11 is positioned at the middle part of Wei Yang district B; Tiltedly stirring rake 13 is positioned at oxygen-starved area C middle part; Water outlet is positioned at settling section D.
The method that Fig. 2 represents, is characterized in that: it has following process flow steps:
(1) waste water, through the suction of water inlet peristaltic pump, flows into bottom, aerobic biologic membrane district (A) through water inlet pipe with flow 2～4L/h;
(2) aerobic biologic membrane district (A): waste water enters into bottom, aerobic biologic membrane district (A), this district is hung with filler, the aeration head that is positioned at bottom, district (A) carries out continuous aeration, control DO at 2～4mg/L, HRT is 4～24h, the ascending gas producing by aeration drives liquid upwards to flow, and overflows aerobic biologic membrane district (A);
(3) Wei Yang district (B): part waste water is through the suction of branch water inlet peristaltic pump, flow into Wei Yang B district through branch water inlet pipe (11), branch flooding velocity and aerobic biologic membrane district (A) flooding velocity ratio are pressed 1:1～4 and are arranged, DO is below 1.2mg/L, and branch water inlet and aerobic biologic membrane district (A) water outlet are in next same oxygen-starved area (C) that flows into of action of gravity;
(4) oxygen-starved area (C): be positioned at oxygen-starved area (C) DO under He Weiyang district of aerobic biologic membrane district (A) (B) below 0.3mg/L, stirrer drives stirring rake with 30～80r/min;
(5) settling section (D): waste water is (C) bottom inclined tube (14) of upwards flowing through from oxygen-starved area, enter settling section (D), in settling section, (D) separates mud mixture, and active sludge is got back to oxygen-starved area (C) and proceeded denitrification;
(6) water outlet: the waste water of the settling section of flowing through (D), directly discharges by water outlet (15).Result:
Former water is taken from teaching and administrative staff biotope, Beijing University of Technology West septic tank supernatant liquor, COD=119.5～675.7mg/L, NH
4 +-N=85.4～116.4mg/L, TN=87～119.6mg/L; Operational condition is: it is 3.8L/h that the water inlet peristaltic pump 2 in aerobic biologic membrane A district is controlled flooding velocity, it is 3.2mg/L that spinner-type flowmeter 5 is controlled DO, hydraulic detention time is 4.75h, branch flooding velocity is 1:3 with the flooding velocity ratio in aerobic biologic membrane A district, Wei Yang B district DO is 1mg/L, and anoxic C district MLSS is 2300mg/L, water outlet leading indicator mean value can reach: COD=28mg/L, NH
4 +-N=0.8mg/L, NO
2 --N=0.25mg/L, NO
3 --N=18.5mg/L; Clearance mean value is respectively COD=98.3%, NH
4 +-N=98.7%, TN=75.9%.
Claims (1)
1.Si district integral type denitrogenation reactor, is characterized in that: it comprises former bucket (1), water inlet peristaltic pump (2), water inlet pipe (3), biological denitrification reactor (4), air pump (5), spinner-type flowmeter (6), pneumatic tube (7), aeration head (8), filler (9), branch water inlet peristaltic pump (10), branch water inlet pipe (11), stirrer (12), oblique stirring rake (13), inclined tube (14), spoil disposal valve (15), water outlet (16), wherein biological denitrification reactor (4) is by uncovered aerobic biologic membrane district (A), Wei Yang district (B), oxygen-starved area (C), settling section (D) composition, (A) is positioned at middle in aerobic biologic membrane district, Wei Yang district (B) is looped around outside, aerobic biologic membrane district (A), Wei Yang district (B) cylinder bus and round platform bus angle are greater than 90 ° and are less than 180 °, settling section (D) is looped around outside, Wei Yang district (B), oxygen-starved area (C) is at aerobic biologic membrane district (A), Wei Yang district (B), under settling section (D), top, aerobic biologic membrane district (A) is lower than top, Wei Yang district (B), bottom, Wei Yang district (B) is lower than bottom, aerobic biologic membrane district (A), inclined tube is installed in settling section (D), water inlet pipe (3), aeration head (8), filler (9) are arranged in aerobic biologic membrane district (A), branch water inlet pipe (11) is arranged on Wei Yang district (B), tiltedly stirring rake (13) is arranged on oxygen-starved area (C) by aerobic biologic membrane (A) district, and spoil disposal valve (15) is arranged on bottom, oxygen-starved area (C), inclined tube (14) is arranged on settling section (D), water inlet peristaltic pump (2) is connected with water inlet pipe (3), branch water inlet peristaltic pump (10) is connected with branch water inlet pipe (11), air pump (5), spinner-type flowmeter (6), pneumatic tube (7), aeration head (8) are connected successively, aeration head (8) is arranged on bottom, aerobic biologic membrane district (A), filler (9) is positioned at aerobic biologic membrane district (A), directly over aeration head (8), branch water inlet pipe (11) is positioned at the middle part of Wei Yang district (B), tiltedly stirring rake (13) is positioned at middle part, oxygen-starved area (C), water outlet is positioned at settling section (D).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420172610.5U CN203877967U (en) | 2014-04-10 | 2014-04-10 | Integrated four-zone denitrification reaction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420172610.5U CN203877967U (en) | 2014-04-10 | 2014-04-10 | Integrated four-zone denitrification reaction device |
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| CN203877967U true CN203877967U (en) | 2014-10-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105585123A (en) * | 2016-03-03 | 2016-05-18 | 上海合源环境科技有限公司 | Integrated biological powdered activated carbon adsorption and precipitation device and application method thereof |
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2014
- 2014-04-10 CN CN201420172610.5U patent/CN203877967U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105585123A (en) * | 2016-03-03 | 2016-05-18 | 上海合源环境科技有限公司 | Integrated biological powdered activated carbon adsorption and precipitation device and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211222 Address after: 100176 9th floor, block T2, Han's Square, yard 2, Ronghua South Road, Yizhuang Economic and Technological Development Zone, Daxing District, Beijing Patentee after: BEIJING BEIHUA ZHONGQING ENVIRONMENTAL ENGINEERING TECHNOLOGY CO.,LTD. Address before: 212009 room 2501, block a, twin towers, science and technology new town, No. 468, Dingmao wisdom Avenue, Zhenjiang City, Jiangsu Province Patentee before: ZHENJIANG QINGSHUI ENVIRONMENTAL SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |