CN200999214Y - Highly effective aerating biologic filtering tank - Google Patents
Highly effective aerating biologic filtering tank Download PDFInfo
- Publication number
- CN200999214Y CN200999214Y CNU2007200661902U CN200720066190U CN200999214Y CN 200999214 Y CN200999214 Y CN 200999214Y CN U2007200661902 U CNU2007200661902 U CN U2007200661902U CN 200720066190 U CN200720066190 U CN 200720066190U CN 200999214 Y CN200999214 Y CN 200999214Y
- Authority
- CN
- China
- Prior art keywords
- tank body
- inlet pipe
- pipe
- back flushing
- container
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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 utility model pertains to the equipment used for environmental protection, more particularly, relating to a high efficiency aeration biological filter tank which is composed of a container, a pre-coat, a water inlet pipe, a water pipe, a inlet duct, a back flushing water inlet pipe, a back flushing water pipe and a filtering medium tray. The filtering medium tray is fixed at the lower and middle part of the container; the pre-coat is in the middle of the container and the upper part of the filtering medium tray; the water pipe and the back flushing water inlet pipe are respectively at the bottom of the container; the back flushing water pipe is at the top of the container; the water inlet pipe is positioned at upper part of one side of the container and the top of the pre-coat; the filtering medium tray is arranged with the air inlet and the lower part thereof is equipped with the inlet duct. This utility model has the advantages of compactness, short reaction residence time, high treatment efficiency, space-saving, convenient operation management and low running cost. Therefore, this utility model can be used to treat the domestic sewage in the cities and towns. The water-quality guideline for the treated water reaches the country-level discharge standard.
Description
Technical field
The utility model belongs to the enviromental protection and improvement equipment technical field, is specifically related to the biological filter tank of a kind of high efficient aeration.
Background technology
Building a New Socialist Countryside protects the environment in rural area; Allow the peasant be able to eat the tap water of sanitation and hygiene; Administered the water surrounding in rural area, allowed the sanitary sewage qualified discharge, this all is its important component part.People in the countryside are sparsely populated, the size of population in each town limited (several thousand people are to several ten thousand people), and just because of these characteristics, so it can not build concentrated, large-scale wastewater treatment plant as the city, must be based on dispersion treatment.For adapting to above characteristics, study a kind of residence time short, processing efficiency is high, operating cost is low, the biological filter tank of the high efficient aeration of convenient management is those skilled in the art's a goal in research.
Summary of the invention
The purpose of this utility model be to propose a kind of residence time short, processing efficiency is high, operating cost is low, the biological filter tank of the high efficient aeration of convenient management.
The biological filter tank of the high efficient aeration that the utility model proposes is made up of tank body 1, filter material layer 2, water inlet pipe 3, rising pipe 4, inlet pipe 5, back flushing water inlet pipe 6, back flushing rising pipe 7, filtrate Support tray 8 and shore pipe 10, and its structure as shown in Figure 1.Wherein, filtrate Support tray 8 is fixed in middle and lower part in the tank body 1, and filter material layer 2 is positioned at tank body 1 middle part, and is positioned at filtrate Support tray 8 tops; Shore pipe 10 and back flushing water inlet pipe 6 lay respectively at tank body 1 bottom, and back flushing rising pipe 7 is positioned at tank body 1 top, and water inlet pipe 3 is positioned at tank body 1 one side lower parts; Filtrate Support tray 8 is provided with the prosopyle, and filtrate Support tray 8 tops are provided with inlet pipe 5.
In the utility model, tank body 1 can adopt assembled structure, tank body 1 is divided into top 13,15 3 parts in middle part 14 and bottom, wherein, tank body middle part 14 is right cylinder, tank body top 13 and bottom 15 are the hemisphere arc respectively, are connected by ring flange 9 between the top 13 of tank body 1 and the middle part 14, are connected by ring flange 9 between the middle part 14 of tank body 1 and the bottom 15.
In the utility model, the filtrate in the filter material layer 2 is a ceramic granule shape filtrate, and its particle diameter is 5～6 millimeters, and this filtrate specific surface area is big, and adsorptive power is very strong; The specific surface area of this filter tank is: every cubic metre of filtrate specific surface area is 834.3 square metres and (is 834.3m
2/ m
3).
Reaction principle of the present utility model is: filter material layer is the light-duty granular filter material of ceramic in the aeration and biological filter tank, with this filtrate is biofilm carrier, the pollutants in sewage that enters in the retort is utilized airborne oxygen, after the cultivation domestication through the aerobic microbiological bacterium, carries out oxygenolysis; Generate microbial film gradually at particle surface; Adhesion, flocculation and the filtration that microbial film is given full play to biological metabolism, the organism function of damming is removed most organic pollutants; In the aerobic decomposition course of particulate matter surface biological film, in microbial film He in the netted space of particle, carrying out the anaerobic reaction decomposition course simultaneously; Some dissolved organic matter is carried out degradation treatment.
Working process of the present utility model is as follows: the sewage disposal flow process is that sanitary sewage is entered in the aeration and biological filter tank body 1 by water inlet pipe 3; Air is then entered in the tank body 1 by inlet pipe 5, carries out aeration aerating; The sewage ceramic filter material layer 2 of flowing through from bottom to top carries out biological respinse, removes pollutent; Retort runs to certain hour, when promptly reaching one-period, ceramic filtrate in the tank body 1 is carried out back flushing; Back flushing is entered by back flushing water pipe 6, filtrate is carried out back flushing from bottom to top, and the back flushing water outlet is by outside backwash tube 7 drain tanks; Back flushing returns to the sewage disposal flow process after finishing.
Advantage of the present utility model:
1, the utility model can be handled town domestic sewage preferably; Effluent quality index after the processing reaches " national grade one discharge standard " requirement fully.
2, the utility model facility compact, reaction time weak point.Its sewage total residence time is: 2～2.5 hours is 1/10th times of present conventional process factory.(the conventional process factory residence time is generally more than 20 hours)
3, the utility model processing efficiency height, the maximum volume load is: 1.8～2.8kgBOD
5/ m
3.d; Be 3～6 times of traditional activated sludge process.(traditional activated sludge process is: 0.3～0.6kgBOD
5/ m
3.d).
4, the utility model floor space is little, convenient operation and management, and the equipment operation cost is low.
Description of drawings
Fig. 1 is a structural diagrams of the present utility model.
Fig. 2 illustrates among the embodiment 1 the utility model being used for sewage treatment structure.Wherein ,-W-is a waste pipe, and-N-is a sludge pipe, and-Q-is an aeration tube.
Number in the figure: 1 is aeration and biological filter tank body, and 2 is filter material layer, and 3 is water inlet pipe, and 4 is rising pipe, 5 is inlet pipe, and 6 are the back flushing water inlet pipe, and 7 are the back flushing rising pipe, and 8 is the filter material layer pallet, 9 is ring flange, and 10 is shore pipe, and 11 is anaerobic jar, 12 is the quartz sand filtration jar, and 13 is aeration and biological filter tank top, and 14 is aeration and biological filter tank middle part, 15 is aeration and biological filter tank bottom, and 16 is clean water basin, and 17 is water pump, 18 is air pump, and 19 is the aeration and biological filter tank, and 20 is under meter.
Embodiment
Further specify the utility model below by embodiment.
Embodiment 1: the aeration and biological filter tank is made up of, wherein tank body 1, filter material layer 2, water inlet pipe 3, rising pipe 4, inlet pipe 5, back flushing water inlet pipe 6, back flushing rising pipe 7, filtrate Support tray 8, ring flange 9 and shore pipe 10, filtrate Support tray 8 is fixed in the below at tank body middle part 14, filter material layer 2 adopts ceramic light granules shape filtrate, its particle diameter is 5～6 millimeters, this filtrate specific surface area is big, and adsorptive power is very strong; The specific surface area of this filter tank is: every cubic metre of filtrate specific surface area is 834.3 squares and is positioned at tank body middle part 14, and is positioned over filtrate Support tray 8 tops; Rising pipe 4 and back flushing rising pipe 7 lay respectively at the top at tank body middle part 14, and back flushing water inlet pipe 6 is positioned at tank base 15, and water inlet pipe 3 is positioned at tank body middle part 14 1 side-lowers, and is positioned at filter material layer 2 tops; Filtrate Support tray 8 is provided with some prosopyles, and the top of filtrate Support tray 8 is provided with inlet pipe 5[h1].
Above-mentioned aeration and biological filter tank device is used to handle certain Sewage Plant sanitary sewage, adopt four closed tank bodies to form to the processing of sanitary sewage, promptly connected to form through pipeline and valve by anaerobic jar 11, two aeration and biological filter tanks 19 and quartz sand filtration jar 12, its annexation as shown in Figure 2.Each tank body size is as shown in table 1:
Table 1
| The tank body title | Tank body size (diameter D * high H) (mm) | Remarks |
| Anaerobic jar | 500×1200 | |
| Aeration and |
500×1800 | |
| Aeration and |
500×1800 | |
| The quartz sand filtration jar | 500×1200 |
Existing sanitary sewage amount: 3600 liters of every days (being equivalent to per hour 150 liters); The raw waste water index is as shown in table 2:
Table 2
| Pollutent | Former water index (mg/L) | Pollutent | Former water index (mg/L) | Remarks |
| COD cr | 513～246 | SS | 189～88 | |
| BOD 5 | 246～103 | PH | 6.5～7.5 | |
| NH 4-N | 38～21 | Water temperature | 25～30℃ |
Sewage is at first squeezed into anaerobic jar 11 by sewage collecting pool, enter aeration and biological filter tank 1# and aeration and biological filter tank 2# again, after quartz sand filtration jar 12 filters water outlets, water outlet enters clean water basin 16, and it is as shown in table 3 that sanitary sewage after treatment reaches national town B-grade emission standard:
Table 3
| Pollutent | The national grade one discharge standard value | Water outlet numerical value (mg/L) | Pollutent | The national grade one discharge standard value | Water outlet numerical value (mg/L) | Remarks |
| COD cr | 60 | 13～48 | |
20 | 4～18.2 | |
| |
20 | 4～17.7 | |
6～9 | 6.5～7.5 | |
| NH
4- |
15 | 1～14.2 | Water temperature | Do not have | 25～29℃ |
Claims (3)
1, the biological filter tank of a kind of high efficient aeration, form by tank body (1), filter material layer (2), water inlet pipe (3), rising pipe (4), inlet pipe (5), back flushing water inlet pipe (6), back flushing rising pipe (7), filtrate Support tray (8) and shore pipe (10), it is characterized in that filtrate Support tray (8) is fixed in the interior middle and lower part of tank body (1), filter material layer (2) is positioned at tank body (1) middle part, and is positioned at filtrate Support tray (8) top; Shore pipe (10) and back flushing water inlet pipe (6) lay respectively at tank body (1) bottom, and back flushing rising pipe (7) is positioned at tank body (1) top, and water inlet pipe (3) is positioned at tank body (1) one side lower part; Filtrate Support tray (8) is provided with the prosopyle, and filtrate Support tray (8) top is provided with inlet pipe (5).
2, the biological filter tank of high efficient aeration according to claim 1, it is characterized in that tank body (1) adopts assembled structure, tank body (1) is divided into top (13), (15) three parts in middle part (14) and bottom, wherein, tank body middle part (14) is right cylinder, tank body top (13) and bottom (15) are the hemisphere arc respectively, are connected by ring flange (9) between the top (13) of tank body (1) and middle part (14), are connected by ring flange (9) between the middle part (14) of tank body (1) and bottom (15).
3, the biological filter tank of high efficient aeration according to claim 1 is characterized in that the filtrate in the filter material layer (2) is a ceramic granule shape filtrate, and its particle diameter is 5～6 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200661902U CN200999214Y (en) | 2007-01-10 | 2007-01-10 | Highly effective aerating biologic filtering tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200661902U CN200999214Y (en) | 2007-01-10 | 2007-01-10 | Highly effective aerating biologic filtering tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200999214Y true CN200999214Y (en) | 2008-01-02 |
Family
ID=39013619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200661902U Expired - Fee Related CN200999214Y (en) | 2007-01-10 | 2007-01-10 | Highly effective aerating biologic filtering tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200999214Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870519A (en) * | 2010-05-06 | 2010-10-27 | 同济大学 | Nitrogen and phosphorus removal bio-trickling filter by artificially strengthening natural ventilation |
| CN109987696A (en) * | 2019-03-29 | 2019-07-09 | 河海大学 | A kind of aerating biological filtering pot |
-
2007
- 2007-01-10 CN CNU2007200661902U patent/CN200999214Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870519A (en) * | 2010-05-06 | 2010-10-27 | 同济大学 | Nitrogen and phosphorus removal bio-trickling filter by artificially strengthening natural ventilation |
| CN101870519B (en) * | 2010-05-06 | 2012-07-25 | 同济大学 | Nitrogen and phosphorus removal bio-trickling filter by artificially strengthening natural ventilation |
| CN109987696A (en) * | 2019-03-29 | 2019-07-09 | 河海大学 | A kind of aerating biological filtering pot |
| CN109987696B (en) * | 2019-03-29 | 2021-12-10 | 河海大学 | Aeration biological filter tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 Termination date: 20110110 |