CN204151131U - A kind of Anti-plugging biological aerated filter - Google Patents
A kind of Anti-plugging biological aerated filter Download PDFInfo
- Publication number
- CN204151131U CN204151131U CN201420595965.5U CN201420595965U CN204151131U CN 204151131 U CN204151131 U CN 204151131U CN 201420595965 U CN201420595965 U CN 201420595965U CN 204151131 U CN204151131 U CN 204151131U
- Authority
- CN
- China
- Prior art keywords
- water
- inlet pipe
- plugging
- air
- biological aerated
- 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 - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 119
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000011010 flushing procedure Methods 0.000 claims description 16
- 238000005273 aeration Methods 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 8
- 239000000945 filler Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000010865 sewage Substances 0.000 description 6
- 239000000706 filtrate Substances 0.000 description 5
- 230000000813 microbial effect Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000011001 backwashing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000975 bioactive effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 102220079472 rs781825705 Human genes 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- 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
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a kind of Anti-plugging biological aerated filter, filter tank is separated into upper chamber and lower chambers, filter material layer, supporting layer and precast beam bracing frame is provided with between described upper chamber and described lower chambers, the both sides of described upper chamber are respectively equipped with effluent trough and drainage tray, described drainage tray connects the water shoot led to outside described filter tank, described bottom chamber is provided with distribute water and air pipeline, and described distribute water and air pipeline is connected with the water main outside described filter tank, air supply header respectively.The utility model effectively prevent latch up phenomenon, improves water distribution uniformity gas distribution and backwash effect, ensure that the long-term stability of BAF is run.
Description
Technical field
The utility model relates to a kind of microbial film water treatment device of micro polluted source Water warfare, especially a kind of Anti-plugging biological aerated filter.
Background technology
According to its processing mode, there are two kinds of directions for sewage disposal at present: 1, the pollution of short-term burst adopts the processing mode based on physical adsorption being representative with grain active carbon and powder activated carbon; 2, micro-pollution of normalization adopts BAF (BAF) to carry out a biological disposal upon.
Because the biological treatment overall operation cost of BAF (BAF) is low, for ammonia nitrogen, turbidity, COD, the index such as iron ion and AOC has obvious processing power, therefore obtains applying more and more widely.The mounting structures of existing biological filter many employings filter plate filter, filter plate plays a part to support filtrate, the grid-like filter cap of filter plays water distribution uniformity effect, but because the gap of filter cap is relatively little, easily retain dirt during life-time service and grow microbial film and result in blockage, therefore need filtrate to be cleared or keeped in repair filter plate, change filter, add maintenance cost.The utility model be intended to propose a kind of can the structure global design of effective anti-clogging, promote the application of the micro-pollution plot of former water.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides the BAF that a kind of structure is simple, play anti-clogging plug effect, energy water distribution uniformity gas distribution,
For achieving the above object, the utility model is by the following technical solutions:
A kind of Anti-plugging biological aerated filter, filter tank is separated into upper chamber and lower chambers, filter material layer, supporting layer and precast beam bracing frame is provided with between described upper chamber and described lower chambers, the both sides of described upper chamber are respectively equipped with effluent trough and drainage tray, described drainage tray connects the water shoot led to outside described filter tank, described bottom chamber is provided with distribute water and air pipeline, and described distribute water and air pipeline is connected with the water main outside described filter tank, air supply header respectively.
Described distribute water and air pipeline comprises the water inlet pipe and inlet pipe and multiple distribute water and air arm that side by side parallel arranges, described water inlet pipe is connected with described water main, described inlet pipe is connected with described air supply header, described distribute water and air arm arranges respectively and is connected between described water inlet pipe and described inlet pipe, and arrangement is connected to the outside of described water inlet pipe, described inlet pipe, and described distribute water and air arm and described water inlet pipe, described inlet pipe are perpendicular in the horizontal plane.
Top and the both sides of described distribute water and air arm have qi-emitting hole, and the bottom of described distribute water and air arm has water distributing pore.
The diameter of the described qi-emitting hole at top is 2 ~ 3mm, and the described qi-emitting hole diameter of both sides is 3 ~ 5mm, and the diameter of the described water distributing pore of bottom is 12 ~ 20mm, and the perforated area of top, sidepiece, bottom is than being 1:6:36.
Described lower chambers is provided with guiding cone.
One side lower part of described lower chambers connects a back flushing drainage tray by pipeline.
The haydite that described filter material layer is 2 ~ 5mm by particle diameter forms, and the thickness of described filter material layer is 1600mm.
Described supporting layer is made up of the three layers of pebble bed be laid on successively below described filter material layer, and three layers of described pebble bed adopt the particle diameter of cobble to increase successively from top to bottom, and particle diameter is respectively 4 ~ 8mm, 8 ~ 16mm, 16 ~ 32mm from top to bottom.
Distribute water and air pipeline described in adopting 4 ~ 6 groups is in parallel, and the horizontal mounting height difference often organizing described distribute water and air pipeline is within the scope of positive and negative 5mm, the inlet pipe often organizing described distribute water and air pipeline is in parallel with an aeration tube, and the caliber of described aeration tube is less than the caliber of described inlet pipe.
After adopting technique scheme, the utility model is compared with existing background technology, and tool has the following advantages: the utility model effectively prevent latch up phenomenon, reduces the resistance of upward flow, improve water distribution uniformity gas distribution and backwash effect, ensure that the long-term stability of BAF is run.
Accompanying drawing explanation
Fig. 1 is the schematic diagram in the utility model filter tank;
Fig. 2 is the connection diagram of distribute water and air pipeline;
Fig. 3 is the lateral plan of Fig. 2;
Fig. 4 is the sectional view of circular distribute water and air arm;
Fig. 5 is the schematic diagram of many group distribute water and air pipelines parallel connection.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment
As shown in Figure 1, a kind of Anti-plugging biological aerated filter, filter tank is separated into upper chamber 1 and lower chambers 2, filter material layer 3, supporting layer 6 and precast beam bracing frame 5 is provided with between upper chamber 1 and lower chambers 2, the both sides of upper chamber 1 are respectively equipped with the different effluent trough 11 of height and drainage tray 12, drainage tray 12 connects the water shoot 13 led to outside filter tank, and be provided with distribute water and air pipeline 4 in lower chambers 2, distribute water and air pipeline 4 is connected with the water main 7 outside filter tank, air supply header 8 respectively.One side lower part of lower chambers 2 connects a back flushing drainage tray 22 by pipeline, pipeline is provided with bleed valve 23, opposite side in lower chambers 2 is provided with guiding cone 21, cone is used as spoil disposal water conservancy diversion, can get off damming in the water of source suspended substance water conservancy diversion to sewage draining exit, and by bleed valve 23 automatic-discharging in BAF back flush discharge program, manual intervention discharge can be strengthened during turbidity height.
The haydite that the filler of filter material layer 3 is 2 ~ 5mm by particle diameter forms, K80=2.0, and the thickness of filter material layer 3 is 1600mm, and filtrate, except haydite, also can adopt other medium, as fibrous bundle ball, and slag fines, volcanics, various baton round etc.
Supporting layer 6 is made up of the thick pebble bed 62 of the thick pebble bed 61 of the 100mm be laid on successively below filter material layer 3,100mm and the thick pebble bed 63 of 150mm, the particle diameter of lower floor's cobble is greater than the particle diameter of upper strata cobble, being specially pebble bed 61 adopts particle diameter to be the cobble of 4 ~ 8mm, pebble bed 62 adopts particle diameter to be the cobble of 8 ~ 16mm, pebble bed 63 adopts particle diameter to be the cobble of 16 ~ 32mm, the bottom of supporting layer 6 is precast beam bracing frame 5, precast beam bracing frame 5 forms equally distributed 5mm beam seam, and beam seam fills up by the cobble of pebble bed 63.
As shown in Figure 2 and Figure 3, distribute water and air pipeline 4 comprises the water inlet pipe 41 of DN250, the inlet pipe 42 of DN200 and the distribute water and air arm 43 of multiple DN150, water inlet pipe 41 is connected with the water main 7 outside filter tank, inlet pipe 42 is connected with the air supply header 8 outside filter tank, as shown in Figure 5, water inlet pipe 41 and inlet pipe 42 side by side parallel are arranged, distribute water and air arm 43 arranges respectively and is connected between water inlet pipe 41 and inlet pipe 42, and arrangement is connected to water inlet pipe 41, the outside of inlet pipe 42, and distribute water and air arm 43 and water inlet pipe 41, inlet pipe 42 is perpendicular in the horizontal plane, thus be combined into
font.
The tube wall of distribute water and air arm 43 is densely covered with multiple qi-emitting hole and water distributing pore, and as shown in Figure 4, the top of distribute water and air arm 43 and both sides have qi-emitting hole 431, and bottom has water distributing pore 432.The diameter of the qi-emitting hole 431 at top is 2 ~ 3mm, qi-emitting hole 431 diameter of both sides is 3 ~ 5mm, the diameter of the water distributing pore 432 of bottom is 12 ~ 20mm, and the perforated area ratio of top, sidepiece, bottom is 1:6:36, and the pitch-row be distributed on distribute water and air arm 43 is 100mm.
Distribute water and air pipeline 4 of the present utility model is except being used as technique inlet pipe, also can be used as in back flushing inlet pipe simultaneously, namely aeration and back flushing air inlet use same pipeline, and utilize the density difference of water and gas, make to form the air cushion layer of upper part and the water distribution layer of lower part in distribute water and air arm 43.
Distribute water and air arm 43 realizes large aperture consubstantiality and adopts macropore to be positioned at structure below aperture, and the structure that large aperture combines greatly reduces the possibility of water and air distributing system jams, optimizes performance of anti-blockage.
The utility model is upward flow filter, handled fluid flows from bottom to top, during work, the source water that need process enters water inlet pipe 41 from water main 7, and be dispensed to multiple distribute water and air arm 43, and passing into lower chambers 2 through water distributing pore, two time waters upwards through precast beam bracing frame 5 seam enter filter material layer 3 inside.The main body of filter material layer 3 is that growth has biomembranous filler, grows microorganism in filler by bio-oxidation Decomposition by the organic substance decomposing in sewage, reaches the object of the micro-pollution plot of source water.
Oxygen is needed during organism due to the microbial decomposition source water in filler, therefore while passing into sewage, air is passed into inlet pipe 42 through air supply header 8 by gas blower, and be dispensed to every root distribute water and air arm 43, air is evenly distributed into lower chambers 2 from the qi-emitting hole of distribute water and air arm 43, it is inner that the air be distributed in lower chambers 2 enters into filter material layer 3 by the secondary gas distribution that precast beam bracing frame 5 stitches, microorganism in participation filler and the organism in sewage react, purifying waste water after the inner microbiological treatment of filter material layer 3 enters upper chamber 1, and flowed out by effluent trough 11.
Along with the carrying out of sewage disposal, microbial film meeting progressive additive in filter material layer 3, suspended solids is constantly accumulated, resistance increases, impact runs treatment effect, after therefore for some time is carried out in reaction, needs to stop passing into source water in pond, back flushing is carried out to BAF, reaches and flush out sedimental object in filter material layer.
During the back flushing initial stage, the water storage between effluent trough 11 to filter material layer 3 is first utilized to carry out lower to stream backwash, the water level decreasing of upper chamber 1, current wash away filtrate from top to bottom, direction is contrary with water (flow) direction when normally running, the dirt flushed out is discharged by the back flushing drainage tray 22 of lower chambers 2, source water is just utilized to carry out the combined water and air backwash of upward flow after this process completes, namely source water is guided to enter lower chambers 2 by distribute water and air pipeline 4 by the liquid level difference of normal operating conditions and back flushing state between each group of BAF, and up filter material layer 3 is washed away, while water inlet, a large amount of gas enters filter material layer 3 by inlet pipe 42 by lower chambers 2, filter material layer 3 is washed away together with backwash water, water after back flushing and dirt enter drainage tray 12, and discharged by the water shoot 13 be connected with drainage tray 12.Owing to there is the flushing process of both direction, optimize the performance of anti-blockage in filter tank.The utility model distribute water and air pipeline 4, except being used as normal aeration tube, is also used as back flushing inlet pipe simultaneously, and distribute water and air pipe is also simultaneously for normally water inlet and back flushing water inlet, does not namely need separately to establish backwashing water water inlet pipe, directly utilizes river Yuan Shui.
The utility model adopts distribute water and air pipeline 4 to air feed in filter tank below filter material layer 3, just need not adopt filter plate again, internal diameter and the pore of distribute water and air pipeline 4 are relatively large, be not easy blocked, even if blocked, only blocked arm need be removed and clear up separately, thus not need the filler in filter material layer to remove, the maintenance in filter tank be become and is more prone to.
The flow lifting type structure that the utility model adopts effectively prevent and falls streaming and be configured in flood season silt lamination on filtrate, thus reduces bioactive state.The structure of flow lifting type can make full use of the pressure of former water self to extend the back flushing work period of BAF, reduces pond height.Simultaneously because BAF is biomembrance process, different from sand filtration, do not need to rinse too thorough, former water can be utilized like this to realize back flushing, reduce pipeline and facility investment and reduce finished product water consumption.
As shown in Figure 5, the utility model can adopt many group distribute water and air pipelines 4 to carry out parallel running, respectively aeration is carried out to multiple filter tank, relation according to aeration rate and back washing strength generally selects 4 ~ 6 sets in parallel operation, between many groups distribute water and air pipeline 4, difference of altitude is ± 5mm, and normal aeration intensity is 3L/m
2s, back washing strength is about 18L/m
2s, often organize the aeration tube 44 that distribute water and air pipeline 4 is parallel with a DN65 in the inlet pipe 42 of DN200, inlet pipe 42 and aeration tube 44 are respectively equipped with valve, during normal aeration, gas is walked from the aeration tube 44 that caliber is less, during back flushing, gas is walked from the inlet pipe 42 that caliber is larger, the aeration imbalance problem that a balance part produces due to filtering layer resistance inequality.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (9)
1. an Anti-plugging biological aerated filter, it is characterized in that: filter tank is separated into upper chamber and lower chambers, filter material layer, supporting layer and precast beam bracing frame is provided with between described upper chamber and described lower chambers, the both sides of described upper chamber are respectively equipped with effluent trough and drainage tray, described drainage tray connects the water shoot led to outside described filter tank, described bottom chamber is provided with distribute water and air pipeline, and described distribute water and air pipeline is connected with the water main outside described filter tank, air supply header respectively.
2. a kind of Anti-plugging biological aerated filter according to claim 1, it is characterized in that: described distribute water and air pipeline comprises the water inlet pipe and inlet pipe and multiple distribute water and air arm that side by side parallel arranges, described water inlet pipe is connected with described water main, described inlet pipe is connected with described air supply header, described distribute water and air arm arranges respectively and is connected between described water inlet pipe and described inlet pipe, and arrangement is connected to described water inlet pipe, the outside of described inlet pipe, and described distribute water and air arm and described water inlet pipe, described inlet pipe is perpendicular in the horizontal plane.
3. a kind of Anti-plugging biological aerated filter according to claim 2, is characterized in that: top and the both sides of described distribute water and air arm have qi-emitting hole, and the bottom of described distribute water and air arm has water distributing pore.
4. a kind of Anti-plugging biological aerated filter according to claim 3, it is characterized in that: the diameter of the described qi-emitting hole at top is 2 ~ 3mm, the described qi-emitting hole diameter of both sides is 3 ~ 5mm, the diameter of the described water distributing pore of bottom is 12 ~ 20mm, and the perforated area of top, sidepiece, bottom is than being 1:6:36.
5. a kind of Anti-plugging biological aerated filter according to claim 1, is characterized in that: described lower chambers is provided with guiding cone.
6. a kind of Anti-plugging biological aerated filter according to claim 1, is characterized in that: a side lower part of described lower chambers connects a back flushing drainage tray by pipeline.
7. a kind of Anti-plugging biological aerated filter according to claim 1, is characterized in that: the haydite that described filter material layer is 2 ~ 5mm by particle diameter forms, and the thickness of described filter material layer is 1600mm.
8. a kind of Anti-plugging biological aerated filter according to claim 7, it is characterized in that: described supporting layer is made up of the three layers of pebble bed be laid on successively below described filter material layer, three layers of described pebble bed adopt the particle diameter of cobble to increase successively from top to bottom, and particle diameter is respectively 4 ~ 8mm, 8 ~ 16mm, 16 ~ 32mm from top to bottom.
9. a kind of Anti-plugging biological aerated filter according to any one of claim 1 to 8, it is characterized in that: distribute water and air pipeline described in adopting 4 ~ 6 groups is in parallel, and the horizontal mounting height difference often organizing described distribute water and air pipeline is within the scope of positive and negative 5mm, the inlet pipe often organizing described distribute water and air pipeline is in parallel with an aeration tube, and the caliber of described aeration tube is less than the caliber of described inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420595965.5U CN204151131U (en) | 2014-10-15 | 2014-10-15 | A kind of Anti-plugging biological aerated filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420595965.5U CN204151131U (en) | 2014-10-15 | 2014-10-15 | A kind of Anti-plugging biological aerated filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204151131U true CN204151131U (en) | 2015-02-11 |
Family
ID=52509266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420595965.5U Expired - Lifetime CN204151131U (en) | 2014-10-15 | 2014-10-15 | A kind of Anti-plugging biological aerated filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204151131U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024086A (en) * | 2016-05-17 | 2016-10-12 | 南华大学 | Up-flow type anaerobic biological filter for treating acidic waste water containing uranium |
| CN106390542A (en) * | 2016-10-21 | 2017-02-15 | 吕武学 | Ventilating and water collecting mixed pipe device |
| CN106517525A (en) * | 2016-11-25 | 2017-03-22 | 江苏鼎弘环境科技有限公司 | Tower type biofilter |
| CN109592786A (en) * | 2018-12-29 | 2019-04-09 | 河南冠宇环保科技有限公司 | It is a kind of novel without mixing without reflux Anoxic/Aerobic reactor |
| CN110734126A (en) * | 2018-07-18 | 2020-01-31 | 光大水务（深圳）有限公司 | Air distribution device and biological aerated filter |
| CN112174303A (en) * | 2020-11-02 | 2021-01-05 | 安徽普氏生态环境工程有限公司 | Aeration device in biological aerated filter |
-
2014
- 2014-10-15 CN CN201420595965.5U patent/CN204151131U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024086A (en) * | 2016-05-17 | 2016-10-12 | 南华大学 | Up-flow type anaerobic biological filter for treating acidic waste water containing uranium |
| CN106390542A (en) * | 2016-10-21 | 2017-02-15 | 吕武学 | Ventilating and water collecting mixed pipe device |
| CN106517525A (en) * | 2016-11-25 | 2017-03-22 | 江苏鼎弘环境科技有限公司 | Tower type biofilter |
| CN110734126A (en) * | 2018-07-18 | 2020-01-31 | 光大水务（深圳）有限公司 | Air distribution device and biological aerated filter |
| CN110734126B (en) * | 2018-07-18 | 2022-03-08 | 光大水务（深圳）有限公司 | Air distribution device and biological aerated filter |
| CN109592786A (en) * | 2018-12-29 | 2019-04-09 | 河南冠宇环保科技有限公司 | It is a kind of novel without mixing without reflux Anoxic/Aerobic reactor |
| CN109592786B (en) * | 2018-12-29 | 2021-04-27 | 河南冠宇环保科技有限公司 | Stirring-free and backflow-free anoxic and aerobic reactor |
| CN112174303A (en) * | 2020-11-02 | 2021-01-05 | 安徽普氏生态环境工程有限公司 | Aeration device in biological aerated filter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204151131U (en) | A kind of Anti-plugging biological aerated filter | |
| CN103130382B (en) | Aeration biological filter-artificial wetland combination sewage low-carbon treatment reactor | |
| CN109879425B (en) | Equipment for advanced phosphorus and nitrogen removal of sewage treatment | |
| CN104761057A (en) | Biological carbon modular composite vertical-flow artificial wetland system | |
| CN103848538A (en) | Reactor and method for removing ammonia nitrogen in drinking water by virtue of enhanced filter and method thereof | |
| US11827539B2 (en) | Near-zero maintenance membrane-based integrated purification device for drinking water supply of villages and towns and a method for treating source water thereof | |
| CN102964037B (en) | Novel sewage treatment method by combined utilization of light filter material biological aerated filter and heavy filter material biological aerated filter | |
| CN203568902U (en) | Anti-blocking system for aeration of subsurface flow wetland | |
| CN203946948U (en) | Baf | |
| CN114057352A (en) | Circulating biological filter rural domestic sewage treatment system and treatment process | |
| CN110078320A (en) | Villages and small towns sewage unpowered biological ecological treatment apparatus and the sewage disposal system comprising it | |
| CN217578429U (en) | Unpowered aerobic biofilter and domestic sewage treatment system applying same | |
| CN205011588U (en) | Waters sewage treatment plant | |
| CN105152487B (en) | Waters sewage-treatment plant and method | |
| CN111333271A (en) | Sewage treatment system, application thereof and sewage treatment method | |
| CN105236687A (en) | Sewage treatment device and method for self-cleaning type micro-aeration vertical baffled wetland | |
| CN211226811U (en) | Integrated sewage treatment equipment | |
| CN210683533U (en) | Rural domestic sewage treatment integration equipment | |
| CN211004772U (en) | Three-dimensional water treatment system based on ecological core wetland | |
| CN110117062B (en) | Novel biological filter backwash gas distribution pipeline system and biological aerated filter | |
| CN110790455A (en) | Integrated sewage treatment equipment and sewage treatment method | |
| CN208802966U (en) | A kind of waterworks water purification installation | |
| CN218910040U (en) | Combined constructed wetland | |
| CN205974188U (en) | Wastewater treatment system | |
| CN206232523U (en) | Integrated sewage treating apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150211 |