CN112851044A - Biological aerated filter and treatment method thereof - Google Patents
Biological aerated filter and treatment method thereof Download PDFInfo
- Publication number
- CN112851044A CN112851044A CN202110227926.4A CN202110227926A CN112851044A CN 112851044 A CN112851044 A CN 112851044A CN 202110227926 A CN202110227926 A CN 202110227926A CN 112851044 A CN112851044 A CN 112851044A
- Authority
- CN
- China
- Prior art keywords
- filter
- biological
- pipe
- sewage
- support
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000010865 sewage Substances 0.000 claims abstract description 25
- 238000011001 backwashing Methods 0.000 claims abstract description 23
- 238000005273 aeration Methods 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 210000005056 cell body Anatomy 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 4
- 238000004401 flow injection analysis Methods 0.000 claims description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses an aeration biological filter tank which comprises a tank body, wherein a water inlet pipe and a sewage discharge pipe are installed at the bottom of the tank body, a water outlet pipe is installed at the top of the tank body, a filter support is installed in the tank body, a plurality of filter cylinders which are horizontally installed are arranged in the filter support, a plurality of through holes are uniformly formed in the surface of each filter cylinder, a backwashing water pipe is installed in each filter cylinder, biological filter materials are filled in each filter cylinder, and an aeration disc is installed below each filter support. The invention can improve the defects of the prior art and reduce the time consumption of backwashing.
Description
Technical Field
The invention relates to sewage treatment equipment, in particular to a biological aerated filter and a treatment method thereof.
Background
The biological aerated filter is a sewage treatment mode which is rapidly developed in recent years, and can carry out efficient harmless treatment on sewage through the combination of biological oxidation and filtration. After the biological aerated filter is used for a period of time, the biological filter material needs to be backwashed, the backwashing period of the conventional biological aerated filter for the biological filter material is short, the backwashing time consumption is long, and the working efficiency of the biological aerated filter is reduced.
Disclosure of Invention
The invention aims to provide a biological aerated filter and a treatment method thereof, which can solve the defects of the prior art and reduce the time consumption of backwashing.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
The utility model provides an aeration biological filter, includes the cell body, and inlet tube and blow off pipe are installed to the bottom of cell body, and the outlet pipe is installed at the top of cell body, install the filter holder in the cell body, be provided with a plurality of horizontal installation in the filter holder strain a section of thick bamboo, strain a section of thick bamboo surface and evenly seted up a plurality of through-hole, strain and install back flush water pipe in the section of thick bamboo, strain a section of thick bamboo intussuseption and be filled with biological filter material.
Preferably, the inner sides of the two ends of the filter cylinder are provided with annular rails, the annular rails are connected with a filter material support in a sliding and clamping mode, the outer side edge of the filter material support is provided with a plurality of filling grooves, biological filter materials are filled in the filling grooves, elastic mesh cloth is fixed at the two ends of each filling groove, and blades are arranged at the inner side edge of the filter material support.
Preferably, a baffle is installed between adjacent filling grooves.
Preferably, the filtering bracket is mounted on the tank body through an oscillator.
Preferably, a metal filter screen is fixed on the top surface of the aeration disc.
The treatment method of the biological aerated filter comprises the following steps: injecting sewage to be treated into the tank body from the water inlet pipe, injecting ozone into the sewage by the aeration disc, filtering and adsorbing the sewage by a biological filter material in the filter cylinder in the process that the sewage passes through the filter support, discharging the finally treated sewage from the water outlet pipe, periodically starting the backwashing water pipe for low-flow injection, starting the backwashing water pipe for 5-10 s each time, wherein the injection flow is 10% of the rated flow, and stirring the biological filter material in the filter cylinder; when the filter cylinder reaches the maintenance period, the water inlet pipe and the water outlet pipe are closed, the sewage discharge pipe is opened, and the backwashing water pipe is opened to carry out continuous jet backwashing by using rated flow.
Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: according to the invention, by improving the structure of the filter layer, the periodic low-flow injection of the backwashing water pipe is utilized in the sewage treatment process, so that the intermittent rotation of the filter material support is realized, the treatment efficiency of the filter material and the sewage is effectively improved, and the single use period of the filter cylinder is prolonged. During backwashing, backwashing water flow is used for driving the filter material support to rotate at a high speed, and the vibration of the oscillator is matched, so that the filter material can be efficiently washed and purified. The guide plate can reduce turbulence interference among the filling grooves, the metal filter screen is used for blocking sludge deposition, the aeration disc is prevented from being blocked, and self-cleaning of the metal filter screen is realized by utilizing backwashing water flow and aeration airflow in the backwashing process.
Drawings
FIG. 1 is a block diagram of one embodiment of the present invention.
Figure 2 is a radial cross-sectional view of a filter cartridge according to one embodiment of the present invention.
Fig. 3 is a structural view of a filling groove in an embodiment of the present invention.
In the figure: 1. a tank body; 2. a water inlet pipe; 3. a blow-off pipe; 4. a water outlet pipe; 5. a filtration rack; 6. a filter cartridge; 7. a through hole; 8. backwashing the water pipe; 9. an aeration disc; 10. an annular track; 11. a filter material support; 12. filling the groove; 13. elastic mesh cloth; 14. a blade; 15. a baffle; 16. an oscillator; 17. a metal screen.
Detailed Description
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.
Referring to fig. 1-3, one embodiment of the invention comprises a tank body 1, a water inlet pipe 2 and a sewage discharge pipe 3 are installed at the bottom of the tank body 1, a water outlet pipe 4 is installed at the top of the tank body 1, a filtering support 5 is installed in the tank body 1, a plurality of horizontally installed filter cylinders 6 are arranged in the filtering support 5, a plurality of through holes 7 are uniformly formed in the surface of each filter cylinder 6, a backwashing water pipe 8 is installed in each filter cylinder 6, a biological filter material is filled in each filter cylinder 6, and an aeration disc 9 is installed below each filter support 5. The inner sides of two ends of the filter cylinder 6 are provided with annular rails 10, the annular rails 10 are connected with a filter material support 11 in a sliding and clamping mode, the outer edge of the filter material support 11 is provided with a plurality of filling grooves 12, biological filter materials are filled in the filling grooves 12, two ends of each filling groove 12 are fixedly provided with elastic mesh fabrics 13, and the inner edge of the filter material support 11 is provided with blades 14. A deflector 15 is installed between adjacent filling grooves 12. The filtering bracket 5 is arranged on the tank body 1 through an oscillator 16. A metal filter screen 17 is fixed on the top surface of the aeration disc 9.
The treatment method of the biological aerated filter comprises the following steps: injecting sewage to be treated into the tank body 1 from the water inlet pipe 2, injecting ozone into the sewage by the aeration disc 9, filtering and adsorbing the sewage by a biological filter material in the filter cylinder 6 in the process that the sewage passes through the filter support 5, discharging the finally treated sewage from the water outlet pipe 4, periodically opening the backwashing water pipe 8 for low-flow injection, opening for 5-10 s every time, wherein the injection flow is 10% of the rated flow, and stirring the biological filter material in the filter cylinder 6; when the filter cylinder 6 reaches the maintenance period, the water inlet pipe 2 and the water outlet pipe 4 are closed, the sewage discharge pipe 3 is opened, and the backwashing water pipe 8 is opened to carry out continuous jet backwashing by using rated flow.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a biological aerated filter, includes cell body (1), and inlet tube (2) and blow off pipe (3) are installed to the bottom of cell body (1), and outlet pipe (4), its characterized in that are installed at the top of cell body (1): install in cell body (1) and filter support (5), be provided with a plurality of horizontal installation in filter support (5) strain a section of thick bamboo (6), strain a section of thick bamboo (6) surface and evenly seted up a plurality of through-hole (7), strain and install back flush water pipe (8) in a section of thick bamboo (6), strain a section of thick bamboo (6) intussuseption and be filled with biological filter material, aeration dish (9) are installed to the below of filter support (5).
2. A biological aerated filter according to claim 1, wherein: the filter cartridge is characterized in that annular rails (10) are arranged on the inner sides of two ends of the filter cartridge (6), a filter material support (11) is connected onto the annular rails (10) in a sliding and clamping mode, a plurality of filling grooves (12) are formed in the outer side edge of the filter material support (11), biological filter materials are filled in the filling grooves (12), elastic mesh cloth (13) is fixed to two ends of each filling groove (12), and blades (14) are arranged on the inner side edge of each filter material support (11).
3. A biological aerated filter according to claim 2, wherein: a guide plate (15) is arranged between the adjacent filling grooves (12).
4. A biological aerated filter according to claim 3, wherein: the filtering bracket (5) is arranged on the tank body (1) through an oscillator (16).
5. A biological aerated filter according to claim 1, wherein: a metal filter screen (17) is fixed on the top surface of the aeration disc (9).
6. A method of treating a biological aerated filter according to any one of claims 1 to 5, comprising the steps of: injecting sewage to be treated into the tank body (1) from the water inlet pipe (2), injecting ozone into the sewage by the aeration disc (9), filtering and adsorbing the sewage by a biological filter material in the filter cylinder (6) in the process that the sewage passes through the filter support (5), discharging the finally treated sewage from the water outlet pipe (4), periodically starting the backwashing water pipe (8) for low-flow injection, starting the backwashing water pipe for 5-10 s each time, wherein the injection flow is 10% of the rated flow, and stirring the biological filter material in the filter cylinder (6); when the filter cylinder (6) reaches the maintenance period, the water inlet pipe (2) and the water outlet pipe (4) are closed, the sewage discharge pipe (3) is opened, and the backwashing water pipe (8) is opened to carry out continuous jet backwashing by using rated flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110227926.4A CN112851044A (en) | 2021-03-02 | 2021-03-02 | Biological aerated filter and treatment method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110227926.4A CN112851044A (en) | 2021-03-02 | 2021-03-02 | Biological aerated filter and treatment method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112851044A true CN112851044A (en) | 2021-05-28 |
Family
ID=75990777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110227926.4A Pending CN112851044A (en) | 2021-03-02 | 2021-03-02 | Biological aerated filter and treatment method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112851044A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501628A (en) * | 2021-08-10 | 2021-10-15 | 云南玉溪玉昆钢铁集团有限公司 | Steelmaking wastewater treatment process |
| CN113860602A (en) * | 2021-09-09 | 2021-12-31 | 张尊举 | Integrated micro-power distributed sewage treatment circulating device |
| CN114853275A (en) * | 2022-05-07 | 2022-08-05 | 福建玉池环境科技有限公司 | Disc type precise biological filter bed |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0229360D0 (en) * | 2002-12-17 | 2003-01-22 | Sev Trent Water Purification L | Biological aerated filter |
| JP2006263503A (en) * | 2005-03-22 | 2006-10-05 | Soliton Corp | Organic waste water treatment equipment and method |
| CN203668097U (en) * | 2013-12-27 | 2014-06-25 | 南京化工职业技术学院 | Rotational flow biological aerated filter for industrial wastewater treatment |
| CN105477912A (en) * | 2016-01-13 | 2016-04-13 | 北京世源希达工程技术公司 | Back purge device for water filter |
| CN109019836A (en) * | 2018-08-10 | 2018-12-18 | 白玉梅 | A kind of biological aerated filter and its processing method of sewage treatment |
| CN210595448U (en) * | 2019-08-09 | 2020-05-22 | 苏州湛清环保科技有限公司 | Easy-to-overhaul light filter material denitrification biological filter |
-
2021
- 2021-03-02 CN CN202110227926.4A patent/CN112851044A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0229360D0 (en) * | 2002-12-17 | 2003-01-22 | Sev Trent Water Purification L | Biological aerated filter |
| JP2006263503A (en) * | 2005-03-22 | 2006-10-05 | Soliton Corp | Organic waste water treatment equipment and method |
| CN203668097U (en) * | 2013-12-27 | 2014-06-25 | 南京化工职业技术学院 | Rotational flow biological aerated filter for industrial wastewater treatment |
| CN105477912A (en) * | 2016-01-13 | 2016-04-13 | 北京世源希达工程技术公司 | Back purge device for water filter |
| CN109019836A (en) * | 2018-08-10 | 2018-12-18 | 白玉梅 | A kind of biological aerated filter and its processing method of sewage treatment |
| CN210595448U (en) * | 2019-08-09 | 2020-05-22 | 苏州湛清环保科技有限公司 | Easy-to-overhaul light filter material denitrification biological filter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501628A (en) * | 2021-08-10 | 2021-10-15 | 云南玉溪玉昆钢铁集团有限公司 | Steelmaking wastewater treatment process |
| CN113860602A (en) * | 2021-09-09 | 2021-12-31 | 张尊举 | Integrated micro-power distributed sewage treatment circulating device |
| CN114853275A (en) * | 2022-05-07 | 2022-08-05 | 福建玉池环境科技有限公司 | Disc type precise biological filter bed |
| CN114853275B (en) * | 2022-05-07 | 2024-05-14 | 福建玉池环境科技有限公司 | Disc type precise biological filter bed |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112851044A (en) | Biological aerated filter and treatment method thereof | |
| CN202237495U (en) | Unpowered rotary filter | |
| CN108178455B (en) | Sewage multi-stage treatment equipment | |
| CN212982698U (en) | Energy-concerving and environment-protective type chemical production sewage treatment device | |
| CN201684473U (en) | Filter cloth rotary disk filter | |
| CN202482135U (en) | Circulation self-cleaning carrier biological filtration reactor | |
| CN108275773B (en) | Anoxic fluidized bed device for treating industrial wastewater | |
| CN110713310B (en) | Sewage advanced treatment device and method based on microbial activated sponge iron filler | |
| CN209113698U (en) | It is a kind of can deodorization countryside sewage treatment equipment | |
| CN210131443U (en) | Internal water inlet type rotary screen for sewage treatment | |
| CN209507796U (en) | A kind of efficient wastewater treatment equipment of out of stock catalyst regeneration of SCR | |
| CN212655522U (en) | Car washing wastewater filtering and recycling equipment | |
| CN210229287U (en) | Integrated fiber rotary disc cloth filter | |
| CN211170340U (en) | High-suspension wastewater treatment device for biological aerated filter | |
| CN109437490B (en) | Harmless treatment equipment for high-concentration organic wastewater in farm | |
| CN107253759B (en) | Decanter for urban sewage treatment system | |
| CN218485250U (en) | Active sand filter for sewage treatment | |
| CN212741095U (en) | Aeration biological filter tank for sewage treatment | |
| CN216106302U (en) | High-efficiency filtering device | |
| CN110803805B (en) | Multi-level degree of depth water purification unit | |
| CN212102299U (en) | Sedimentation tank for chemical production sewage treatment | |
| CN113354141B (en) | Negative-pressure ozone-sludge-based activated carbon catalytic oxidation sewage treatment device and treatment process thereof | |
| CN218755255U (en) | Denitrification deep bed filter | |
| CN218871404U (en) | Former pretreatment of water system and MBR integration equipment | |
| CN219689549U (en) | Household operation-maintenance-free sewage treatment purifying tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210528 |