CN204824353U - Inversion formula bological aerated filter - Google Patents
Inversion formula bological aerated filter Download PDFInfo
- Publication number
- CN204824353U CN204824353U CN201520540252.3U CN201520540252U CN204824353U CN 204824353 U CN204824353 U CN 204824353U CN 201520540252 U CN201520540252 U CN 201520540252U CN 204824353 U CN204824353 U CN 204824353U
- Authority
- CN
- China
- Prior art keywords
- pond body
- reaction zone
- sieve plate
- supporting plate
- packing layer
- 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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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000010865 sewage Substances 0.000 claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 238000012856 packing Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000005192 partition Methods 0.000 claims abstract description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 7
- 239000010935 stainless steel Substances 0.000 claims abstract description 7
- 239000000706 filtrate Substances 0.000 claims description 19
- 238000011001 backwashing Methods 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 238000005276 aerator Methods 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 238000005273 aeration Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000945 filler Substances 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 4
- 210000005056 cell body Anatomy 0.000 abstract 3
- 238000000034 method Methods 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000003763 carbonization Methods 0.000 description 4
- 238000006396 nitration reaction Methods 0.000 description 4
- 230000000813 microbial effect Effects 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000010525 oxidative degradation reaction Methods 0.000 description 2
- 230000036284 oxygen consumption Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses an inversion formula bological aerated filter, including cell body, the vertical water distribution partition wall that is equipped with in the cell body, cut apart into water distribution district and reaction zone with the cell body, the bottom of water distribution district and reaction zone communicates, is equipped with air water back flush pipe network in the bottom of reaction zone, and air water back flush pipe network top level is equipped with support carrying plate, installs the long handle filter on support carrying plate, is equipped with filter material bearing sieve above support carrying plate, is equipped with aeration equipment between support carrying plate and filter material bearing sieve, is equipped with the packing layer on filter material bearing sieve. The effect of above scheme does, and sewage top -down gets into the packing layer from water distribution district's entering reaction zone after the filtration of long handle filter, and the packing layer separates through filter material bearing sieve and aeration equipment, and aeration equipment can work for a long time, the difficult jam, and the aeration is effectual. The stainless steel meshwork check that overflow launder notch top covered can avoid the filter material filler to run off.
Description
Technical field
The utility model relates to a kind of biological filter, is specifically related to a kind of inversion type BAF.
Background technology
BAF (being called for short BAF) is one of contemporary water technology the most advanced, in ordinary biofilter (first-generation filter tank), the basis of high-rate filter, biological filtering tower combined working, biological contact oxidation process (s-generation filter tank), biomembrance process develops, is called as third generation biological filter.Its technological principle is, loads the particulate filter that a certain amount of particle diameter is less in filter tank, and filter material surface grows highly active microbial film, the inner aeration in filter tank.Effluent stream through time, the oxidative degradation ability of the high-concentration biological film utilizing the high-specific surface area of filtrate to bring carries out fast purification to sewage, and this is biological Oxidative Degradation Process; Meanwhile, effluent stream through time, filtrate is compaction state, and the feature utilizing particle diameter of filter medium less and biomembranous biological flocculation, retain the suspended substance in sewage, and ensures that the microbial film that comes off can not drift out with water, and this is crown_interception; After running certain hour, because of the increase of head loss, need carry out back flushing to filter tank, to discharge the suspended substance and renewal microbial film that retain, this is backwash process.There is aeration head and easily block in existing BAF, the problems such as aeration effect is bad, and filterins media run-off is serious.
Utility model content
For solving above technical problem, the utility model provides a kind of inversion type BAF.
Technical scheme is as follows:
A kind of inversion type BAF, its key is: comprise pond body, water distribution partition wall is vertically provided with in this pond body, the described pond body of these water distribution partition wall both sides forms water distributing area and reaction zone respectively, described water distributing area is communicated with the bottom of reaction zone, sewage inlet is provided with on the top of described water distributing area, air-water backwashing pipe network is provided with in the bottom of described reaction zone, this air-water backwashing pipe network upper horizontal is provided with support supporting plate, described reaction zone is divided into two-layer up and down by this support supporting plate, described support supporting plate is provided with strainer head, filtrate support sieve plate is provided with above described support supporting plate, the lower surface of this filtrate support sieve plate is provided with at least two sieve plate lock pins, the described support supporting plate that described sieve plate lock pin is corresponding offers pin-and-hole respectively, described sieve plate lock pin is plugged in corresponding described pin-and-hole, aerating apparatus is provided with between this support supporting plate and filtrate support sieve plate, described filtrate support sieve plate is provided with packing layer.
Adopt the unusual effect of above technical scheme to be that sewage enters reaction zone from water distributing area from top to bottom, after the filtration of strainer head, enter packing layer, packing layer is separated by filtrate support sieve plate and aerating apparatus, aerating apparatus can work long hours, and not easily blocks, and aeration is effective.
Body top, above-mentioned pond is provided with overflow groove, and the described pond body that this overflow groove is corresponding is provided with sewage effluent, and the cross section of this overflow groove inwall is in " U " font, and this overflow groove bottom land is provided with back flushing water shoot, is coated with Stainless steel mesh above this overflow groove notch.Adopt above technical scheme, discharged by overflow groove after sewage disposal is complete, the Stainless steel mesh covered above overflow groove notch, filtrate filler through Stainless steel mesh stop and overflow groove can not be entered, avoid filtrate filler to run off.
Above-mentioned packing layer is ceramic filter material packing layer, and described aerating apparatus is single-hole membrane aerator, in the body of described pond, be provided with dissolved oxygen meter.Adopt above technical scheme, microorganism adheres to better on ceramic filter material, and single-hole membrane aerator aeration better effects if, dissolved oxygen meter can detect the dissolved oxygen content in sewage in real time.
Above-mentioned pond body is three, and three described pond bodies are connected successively, and sewage inlet and the sewage effluent of adjacent two described pond bodies are connected, and are communicated with between the described pond body being connected on afterbody and the described pond body being connected on head by return line.Adopt above technical scheme, according to water (flow) direction, three pond bodies of connecting successively form denitrification pond, carbonization pond and nitrification tank successively, nitrification tank is to denitrification pond backflow nitrification liquid, denitrification process can be utilized to compensate the basicity of consume in nitration reaction 50%, reclaim the oxygen-consumption of part in nitration reaction simultaneously, form an inner cyclic process, this process can continually be carried out, and guarantees that the total nitrogen of final outflow water is up to standard.
Beneficial effect: adopt inversion type BAF of the present utility model, sewage enters reaction zone from water distributing area from top to bottom, packing layer is entered after the filtration of strainer head, packing layer is separated by filtrate support sieve plate and aerating apparatus, aerating apparatus can work long hours, not easily block, aeration is effective.The Stainless steel mesh covered above overflow groove notch can avoid filtrate filler to run off.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Structural representation when Fig. 2 is three pond body a series connection.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of inversion type BAF, comprise pond body a, water distribution partition wall 1 is vertically provided with in the body a of this pond, the described pond body a of these water distribution partition wall 1 both sides forms water distributing area 1a and reaction zone 1b respectively, described water distributing area 1a is communicated with the bottom of reaction zone 1b, sewage inlet is provided with on the top of described water distributing area 1a, air-water backwashing pipe network 2 is provided with in the bottom of described reaction zone 1b, this air-water backwashing pipe network 2 upper horizontal is provided with and supports supporting plate 7, described reaction zone 1b is divided into two-layer up and down by this support supporting plate 7, described support supporting plate 7 is provided with strainer head 4, filtrate support sieve plate 3 is provided with above described support supporting plate 7, the lower surface of this filtrate support sieve plate 3 is provided with at least two sieve plate lock pins, the described support supporting plate 7 that described sieve plate lock pin is corresponding offers pin-and-hole respectively, described sieve plate lock pin is plugged in corresponding described pin-and-hole, aerating apparatus 6 is provided with between this support supporting plate 7 and filtrate support sieve plate 3, described filtrate support sieve plate 3 is provided with packing layer 5.
Body a top, described pond is provided with overflow groove 8, the described pond body a of this overflow groove 8 correspondence is provided with sewage effluent, the cross section of this overflow groove 8 inwall is in " U " font, and this overflow groove 8 bottom land is provided with back flushing water shoot 10, is coated with Stainless steel mesh 9 above this overflow groove 8 notch.
Described packing layer 5 is ceramic filter material packing layer, and described aerating apparatus 6 is single-hole membrane aerator, in described pond body a, be provided with dissolved oxygen meter 11.
Composition graphs 2 can be found out, described pond body a is three, three described pond body a connect successively, and sewage inlet and the sewage effluent of adjacent two described pond body a are connected, and are connected between the described pond body a of afterbody and the described pond body a being connected on head and are communicated with by return line 12.
According to water (flow) direction, three pond bodies of connecting successively form denitrification pond, carbonization pond and nitrification tank successively, the sewage effluent in denitrification pond and the sewage inlet in carbonization pond are connected, carbonization pond sewage effluent and the sewage inlet of nitrification tank connect, be communicated with by described return line 12 between nitrification tank and denitrification pond, nitrification tank is to denitrification pond backflow nitrification liquid.Denitrification process can be utilized like this to compensate the basicity of consume in nitration reaction 50%, and reclaim the oxygen-consumption of part in nitration reaction, form an inner cyclic process, this process can continually be carried out, and guarantees that the total nitrogen of final outflow water is up to standard simultaneously.
Finally it should be noted that; foregoing description is only preferred embodiment of the present utility model; those of ordinary skill in the art is under enlightenment of the present utility model; under the prerequisite without prejudice to the utility model aim and claim; can make like multiple types and representing, such conversion all falls within protection domain of the present utility model.
Claims (4)
1. an inversion type BAF, it is characterized in that: comprise pond body (a), water distribution partition wall (1) is vertically provided with in this pond body (a), described pond body (a) of these water distribution partition wall (1) both sides forms water distributing area (1a) and reaction zone (1b) respectively, described water distributing area (1a) is communicated with the bottom of reaction zone (1b), sewage inlet is provided with on the top of described water distributing area (1a), air-water backwashing pipe network (2) is provided with in the bottom of described reaction zone (1b), this air-water backwashing pipe network (2) upper horizontal is provided with and supports supporting plate (7), described reaction zone (1b) is divided into two-layer up and down by this support supporting plate (7), described support supporting plate (7) is provided with strainer head (4), filtrate support sieve plate (3) is provided with in described support supporting plate (7) top, the lower surface of this filtrate support sieve plate (3) is provided with at least two sieve plate lock pins, the described support supporting plate (7) that described sieve plate lock pin is corresponding offers pin-and-hole respectively, described sieve plate lock pin is plugged in corresponding described pin-and-hole, aerating apparatus (6) is provided with between this support supporting plate (7) and filtrate support sieve plate (3), described filtrate support sieve plate (3) is provided with packing layer (5).
2. inversion type BAF according to claim 1, it is characterized in that: described pond body (a) top is provided with overflow groove (8), described pond body (a) that this overflow groove (8) is corresponding is provided with sewage effluent, the cross section of this overflow groove (8) inwall is in " U " font, this overflow groove (8) bottom land is provided with back flushing water shoot (10), is coated with Stainless steel mesh (9) above this overflow groove (8) notch.
3. inversion type BAF according to claim 1 and 2, it is characterized in that: described packing layer (5) is ceramic filter material packing layer, described aerating apparatus (6) is single-hole membrane aerator, is provided with dissolved oxygen meter (11) in described pond body (a).
4. inversion type BAF according to claim 2, it is characterized in that: described pond body (a) is three, three described ponds body (a) are connected successively, sewage inlet and the sewage effluent of adjacent two described ponds body (a) are connected, and are connected between described pond body (a) of afterbody and described pond body (a) being connected on head and are communicated with by return line (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520540252.3U CN204824353U (en) | 2015-07-23 | 2015-07-23 | Inversion formula bological aerated filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520540252.3U CN204824353U (en) | 2015-07-23 | 2015-07-23 | Inversion formula bological aerated filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204824353U true CN204824353U (en) | 2015-12-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520540252.3U Expired - Fee Related CN204824353U (en) | 2015-07-23 | 2015-07-23 | Inversion formula bological aerated filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204824353U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106045218A (en) * | 2016-07-20 | 2016-10-26 | 江苏展宏环保科技有限公司 | Buried water treatment device |
| CN108328866A (en) * | 2018-02-27 | 2018-07-27 | 中国农业大学 | A kind of biogas slurry treatment system and method |
| CN113893608A (en) * | 2021-10-14 | 2022-01-07 | 中机国际工程设计研究院有限责任公司 | Suspension quick filter device |
-
2015
- 2015-07-23 CN CN201520540252.3U patent/CN204824353U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106045218A (en) * | 2016-07-20 | 2016-10-26 | 江苏展宏环保科技有限公司 | Buried water treatment device |
| CN108328866A (en) * | 2018-02-27 | 2018-07-27 | 中国农业大学 | A kind of biogas slurry treatment system and method |
| CN113893608A (en) * | 2021-10-14 | 2022-01-07 | 中机国际工程设计研究院有限责任公司 | Suspension quick filter device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 400020 Jiangbei District, Chongqing construction of new West Road, No. 1, No. 2, MCC building, building 14 Patentee after: CHONGQING TAIKE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 400020 Jiangbei District, Chongqing construction of new West Road, No. 1, No. 2, MCC building, building 14 Patentee before: Chongqing Taike Environmental Protection Engineering Equipment Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 |