CN216837337U - Integrated biological filter - Google Patents
Integrated biological filter Download PDFInfo
- Publication number
- CN216837337U CN216837337U CN202220353979.0U CN202220353979U CN216837337U CN 216837337 U CN216837337 U CN 216837337U CN 202220353979 U CN202220353979 U CN 202220353979U CN 216837337 U CN216837337 U CN 216837337U
- Authority
- CN
- China
- Prior art keywords
- filter
- pipe
- water
- water distribution
- backwashing
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 156
- 210000005056 cell body Anatomy 0.000 claims abstract description 8
- 238000011001 backwashing Methods 0.000 claims description 51
- 239000000463 material Substances 0.000 claims description 51
- 238000005273 aeration Methods 0.000 claims description 28
- 239000010802 sludge Substances 0.000 claims description 21
- 239000012528 membrane Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000005276 aerator Methods 0.000 claims description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 10
- 231100000719 pollutant Toxicity 0.000 abstract description 10
- 238000001914 filtration Methods 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000004065 wastewater treatment Methods 0.000 abstract description 3
- 239000002351 wastewater Substances 0.000 description 10
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 7
- 206010021143 Hypoxia Diseases 0.000 description 6
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 241000108664 Nitrobacteria Species 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 easy operation Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses an integral type biological filter, including filtering cell body, first pipeline and second pipeline, the filtering cell body is from up being equipped with bottom water distribution district, lower part precoat, middle water distribution district, upper portion precoat and clear water district down in proper order, and bottom water distribution district and upper portion precoat are put through first pipeline mutually, and middle water distribution district and clear water district put through the second pipeline mutually. The utility model provides an integral type biological filter, equipment integrate more, and area is little, easy operation, and the waste water treatment flow is short, and water consumption energy consumption is low, and pollutant treatment efficiency is high.
Description
Technical Field
The utility model relates to a sewage treatment technical field especially discloses an integral type biological filter.
Background
The anoxic/aerobic biofilter can achieve the purpose of simultaneously removing ammonia Nitrogen and TN (Total Nitrogen) by the optimized proportion of an anoxic denitrification section and an aerobic nitrification section and adopting an internal reflux mode, and can effectively ensure that effluent ammonia Nitrogen, TN and SS (Suspended Solids) reach the standard.
The current anoxic/aerobic biofilter generally adopts a split type design, namely 'water inlet → anoxic biofilter → aerobic biofilter → water outlet', the main defects of the method are that the number of equipment is large, the occupied area is large, the pipeline of the equipment is complex, meanwhile, the biofilter has large head loss, a high head difference is needed between the anoxic biofilter and the aerobic biofilter, the general head difference is more than 1 meter, the elevation arrangement is more complex, and meanwhile, each equipment needs backwashing, so that the backwashing water consumption is large, and the production stopping time is long.
Therefore, the above-mentioned defects of the existing biofilters are a technical problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model provides an integral type biological filter, which aims to solve the technical problem of the defects of the prior biological filter.
The utility model relates to an integral type biological filter, including filtering cell body, first pipeline and second pipeline, filtering cell body is from up being equipped with bottom water distribution district, lower part precoat, middle water distribution district, upper portion precoat and clear water district down in proper order, and bottom water distribution district and upper portion precoat are put through first pipeline mutually, and middle water distribution district and clear water district put through the second pipeline mutually.
Furtherly, be equipped with water distributor, first filter plate and first filter on the bottom water distribution district, a plurality of first filter evenly distributed is on first filter plate, and first pipeline includes from last aeration pipe, backwash trachea and the inlet tube that sets gradually down, and the below of first filter plate is located to the water distributor, and it is internal that the filtering pond is located to the one end of water distributor, and the other end of water distributor stretches out the filtering pond external and be divided into two the tunnel, and it is put through with the backwash trachea all the way, and another is put through with the inlet tube mutually.
Furthermore, the integrated biological filter also comprises a sludge discharge pipe, the sludge discharge pipe is communicated with the bottom water distribution area, an aeration port is formed in the aeration pipe, a water inlet is formed in the water inlet pipe, and a sludge discharge port is formed in the sludge discharge pipe.
Furthermore, an aeration valve is arranged on the aeration pipe, a sludge discharge valve is arranged on the sludge discharge pipe, a water inlet valve is arranged on the water inlet pipe, and a backwashing air valve is arranged on the backwashing air pipe.
Further, the lower filter material layer is filled with a light ceramsite filter material, and the particle size of the light ceramsite filter material is 6-9 mm; the lower part filter bed bearing is on first filter plate, and lower part filter bed of material top is equipped with the interception net that is used for preventing the filter material to run out during the backwash, and the mesh aperture of interception net is 4 ~ 5 mm.
Furthermore, a second filter plate and a second filter head are arranged on the middle water distribution area, and the plurality of second filter heads are uniformly distributed on the second filter plate.
Further, the upper filter material layer is filled with a light ceramsite filter material, and the particle size of the light ceramsite filter material is 6-9 mm; the upper filter material layer is supported on the second filter plate, the bottom of the upper filter material layer is provided with an air distribution system, and the air distribution system is arranged above the second filter plate and communicated with the aeration pipe.
Furthermore, the air distribution system adopts a single-hole membrane aerator which is uniformly arranged in the upper filter material layer.
Furthermore, the second pipeline comprises a water outlet pipe, an upper backwashing water drain pipe and a lower backwashing water drain pipe which are sequentially arranged from top to bottom, a water collecting weir is arranged on the clear water area and is communicated with the water outlet pipe, the lower backwashing water drain pipe is communicated with the middle water distribution area, a water outlet is arranged on the water outlet pipe, and a backwashing water outlet is arranged on the lower backwashing water drain pipe.
Furthermore, an upper backwashing drain valve is arranged on the upper backwashing drain pipe, a lower backwashing drain valve is arranged on the lower backwashing drain pipe, and a water outlet valve is arranged on the water outlet pipe.
The utility model discloses the beneficial effect who gains does:
the utility model provides an integral type biological filter, adopt the filtering cell body, first pipeline and second pipeline, the filtering cell body is from up being equipped with bottom water distribution district down in proper order, the lower part precoat, middle water distribution district, upper portion precoat and clear water district, bottom water distribution district and upper portion precoat switch on through first pipeline mutually, middle water distribution district and clear water district switch on through the second pipeline mutually, thereby be in the same place oxygen deficiency biological filter and aeration biological filter are integrated, the below precoat is the oxygen deficiency state, the top precoat is the aerobic state, the water flow direction is the updraft, waste water is at first through the oxygen deficiency precoat, under the effect of filter material surface microbial membrane, realize denitrification, the good oxygen precoat of later flowing through, under the effect of good oxygen microorganism such as nitrobacteria, realize getting rid of COD and ammonia nitrogen. The utility model provides an integral type biological filter, equipment integrate more, and area is little, easy operation, and the waste water treatment flow is short, and water consumption energy consumption is low, and pollutant treatment efficiency is high.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the integrated biological filter provided by the present invention.
The reference numbers illustrate:
10. a filter tank body; 20. a first conduit; 30. a second conduit; 11. a bottom water distribution area; 12. a lower filter material layer; 13. a middle water distribution area; 14. an upper filter material layer; 15. a clear water zone; 111. a water distribution pipe; 112. a first filter plate; 113. a first filter head; 40. a sludge discharge pipe; 21. an aeration pipe; 22. backwashing the air pipe; 23. a water inlet pipe; 211. an aeration opening; 231. a water inlet; 212. an aeration valve; 41. a sludge discharge port; 42. a mud valve; 232. a water inlet valve; 221. backwashing the air valve; 121. an interception net; 131. a second filter plate; 132. a second filter head; 141. a gas distribution system; 31. a water outlet pipe; 32. the upper part back washing drain pipe; 33. a lower backwashing water discharge pipe; 151. a water collection weir; 311. a water outlet; 331. backwashing the water outlet; 321. an upper backwash drain valve; 332. a lower backwash drain valve; 312. and (4) a water outlet valve.
Detailed Description
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
As shown in fig. 1, an embodiment of the present invention provides an integrated biofilter, including a filter body 10, a first pipeline 20 and a second pipeline 30, the filter body 10 is provided with a bottom water distribution region 11, a lower filter material layer 12, an intermediate water distribution region 13, an upper filter material layer 14 and a clean water region 15 from bottom to top in sequence, the bottom water distribution region 11 is communicated with the upper filter material layer 14 through the first pipeline 20, and the intermediate water distribution region 13 is communicated with the clean water region 15 through the second pipeline 30. Compared with the prior art, the integrated biofilter provided by the embodiment adopts the filter tank body, the first pipeline and the second pipeline, the filter tank body is sequentially provided with the bottom water distribution area, the lower filter material layer, the middle water distribution area, the upper filter material layer and the clear water area from bottom to top, the bottom water distribution area is communicated with the upper filter material layer through the first pipeline, and the middle water distribution area is communicated with the clear water area through the second pipeline. This embodiment provides an integral type biological filter, equipment integrates more, and area is little, easy operation, and the waste water treatment flow is short, and water consumption energy consumption is low, and pollutant treatment efficiency is high.
In the above structure, please refer to fig. 1, in the integrated biofilter provided in this embodiment, the water distribution pipe 111, the first filter plate 112 and the first filter heads 113 are disposed on the bottom water distribution area 11, the plurality of first filter heads 113 are uniformly distributed on the first filter plate 112, the first pipeline 20 includes an aeration pipe 21, a backwash air pipe 22 and a water inlet pipe 23 which are sequentially disposed from top to bottom, the water distribution pipe 111 is disposed below the first filter plate 112, one end of the water distribution pipe 111 is disposed in the filter tank body 10, and the other end of the water distribution pipe 111 extends out of the filter tank body 10 and is divided into two paths, one path is connected to the backwash air pipe 22, and the other path is connected to the water inlet pipe 23. The integrated biological filter further comprises a sludge discharge pipe 40, the sludge discharge pipe 40 is communicated with the bottom water distribution area 11, an aeration port 211 is formed in the aeration pipe 21, a water inlet 231 is formed in the water inlet pipe 23, and a sludge discharge port 41 is formed in the sludge discharge pipe 40. An aeration valve 212 is arranged on the aeration pipe 21, a sludge discharge valve 42 is arranged on the sludge discharge pipe 40, a water inlet valve 232 is arranged on the water inlet pipe 23, and a backwashing air valve 221 is arranged on the backwashing air pipe 22. The integrated biological filter provided by the embodiment adopts the bottom water distribution area 11 to distribute water uniformly and discharge sludge, and is simple to operate and high in pollutant treatment efficiency.
Further, referring to fig. 1, in the integrated biofilter provided in this embodiment, the lower filter material layer 12 is filled with a light ceramsite filter material, and the particle size of the light ceramsite filter material is 6-9 mm; the lower filter material layer 12 is supported on the first filter plate 112, the top of the lower filter material layer 12 is provided with an interception net 121 for preventing filter materials from running out during backwashing, and the aperture of the meshes of the interception net 121 is 4-5 mm. The integrated biological filter provided by the embodiment adopts the lower filter material layer 12 to filter sewage, and is simple to operate and high in pollutant treatment efficiency.
Preferably, referring to fig. 1, in the integrated biofilter according to the embodiment, the middle water distribution area 13 is provided with a second filter plate 131 and a second filter head 132, and the plurality of second filter heads 132 are uniformly distributed on the second filter plate 131. The integrated biological filter provided by the embodiment adopts the middle water distribution area 13 to distribute water uniformly, and is simple to operate and high in pollutant treatment efficiency.
Further, referring to fig. 1, in the integrated biofilter provided in this embodiment, the upper filter material layer 14 is filled with a light ceramsite filter material, and the particle size of the light ceramsite filter material is 6-9 mm; the upper filter material layer 14 is supported on the second filter plate 131, the bottom of the upper filter material layer 14 is provided with an air distribution system 141, and the air distribution system 141 is arranged above the second filter plate 131 and communicated with the aeration pipe 21. Specifically, the air distribution system 141 employs a single-pore membrane aerator, and the single-pore membrane aerator is uniformly arranged in the upper filter material layer 14. The integrated biological filter provided by the embodiment adopts the upper filter material layer 14 to filter sewage, and is simple to operate and high in pollutant treatment efficiency.
Preferably, referring to fig. 1, in the integrated biofilter according to the present embodiment, the second pipeline 30 includes a water outlet pipe 31, an upper backwashing water outlet pipe 32 and a lower backwashing water outlet pipe 33 sequentially arranged from top to bottom, the clean water region 15 is provided with a water collection weir 151, the water collection weir 151 is communicated with the water outlet pipe 31, the lower backwashing water outlet pipe 33 is communicated with the middle water distribution region 13, the water outlet pipe 31 is provided with a water outlet 311, and the lower backwashing water outlet pipe 33 is provided with a backwashing water outlet 331. Specifically, the upper backwash drain pipe 32 is provided with an upper backwash drain valve 321, the lower backwash drain pipe 33 is provided with a lower backwash drain valve 332, and the water outlet pipe 31 is provided with a water outlet valve 312. The integral type biological filter that this embodiment provided adopts clear water district 15 to clean sewage, easy operation, and pollutant treatment is efficient.
As shown in fig. 1, the working principle of the integrated biological filter provided by this embodiment is as follows:
during operation, wastewater firstly enters the bottom water distribution area 11 of the filter tank body 10 from the water inlet 231, flows out from the water distribution pipe 111, passes through the first filter heads 113 uniformly distributed on the first filter plate 112 to realize uniform water distribution, then flows through the lower filter material layer 12 to realize denitrification nitrogen removal under the action of an anoxic state and a microbial film on the surface of the filter material, then enters the middle water distribution area 13, passes through the second filter heads 132 to realize uniform water distribution, then enters the upper filter material layer 14, simultaneously enters the air from the aeration pipe 21, passes through the air distribution system 141 to enter the upper filter material layer 14, generates carbonization and nitrification under aerobic conditions and the biological action of the filter material and the surface thereof, effectively removes COD and ammonia nitrogen in the wastewater, and simultaneously effectively removes SS and colloidal substances in the wastewater through the filtration interception and adsorption action of the upper filter material layer 14. The wastewater then enters the clean water zone 15 and flows through the water collection weir 151 and the water outlet 311 to be discharged. After the wastewater is subjected to the advanced treatment of the system, organic matters, ammonia nitrogen, TN and SS in the wastewater are effectively removed, and the effluent can be discharged after reaching the standard stably.
The opening and closing state of the valve in the operation process is as follows: the inlet valve 232 is opened, the mud valve 42 is closed, the aeration valve 212 is opened, the backwash air valve 221 is closed, the lower backwash drain valve 332 is closed, the outlet valve 312 is opened, and the upper backwash drain valve 321 is closed.
During the backwashing, the backwashing water and the inlet water enter from the water inlet 231, the water flow direction in the filter body 10 during the backwashing is the upward flow, and the backwashing water inlet quantity is set to be 4-6L/(m)2S), closing the aeration valve 212, opening the backwashing air valve 221, enabling air to sequentially enter the bottom water distribution area 11 together with inlet water from the aeration pipe 21, the backwashing air pipe 22 and the water distribution pipe 111, wherein the backwashing air volume is 10-15L/(m 2.s), and under the action of air water, the lower filter material layer 12 is expanded and disturbed, impurities enter the backwashing water and flow out from the backwashing water outlet 331 along with the backwashing water.
Backwashing the lower filter bed 12 may be selected from partial backwashing and full backwashing. The opening and closing state of the valve during local backwashing is as follows: the inlet valve 232 is closed, the mud valve 42 is closed, the aeration valve 212 is closed, the backwash air valve 221 is opened, the lower backwash drain valve 332 is opened, the outlet valve 312 is closed, and the upper backwash drain valve 321 is closed. The opening and closing state of the valve during full backwashing is as follows: the inlet valve 232 is closed, the mud valve 42 is closed, the aeration valve 212 is closed, the backwash air valve 221 is opened, the lower backwash drain valve 332 is closed, the outlet valve 312 is closed, and the upper backwash drain valve 321 is opened.
The integral type biological filter that this embodiment provided, with oxygen deficiency biological filter and bological aerated filter integrated together, the below filter bed is the oxygen deficiency state, and the top filter bed is aerobic state, and the rivers direction is the updraft, and waste water is at first through the oxygen deficiency filter bed, under the effect of filter material surface microbial membrane, realizes the denitrification, the aerobic filter bed of later flowing through, under the aerobic microorganisms effect such as nitrobacteria, realizes getting rid of COD and ammonia nitrogen. The integrated biofilter provided by the embodiment can perform nitrification and denitrification in the same reactor to realize denitrification, and can effectively remove pollutants such as COD, ammonia nitrogen and SS, and the wastewater can be stably discharged after reaching standards after being subjected to advanced treatment; the combination of partial backwashing middle drainage and total backwashing is adopted, so that water is saved; compared with the existing common biological filter, the device is more integrated, the occupied area is small, the operation is simple, the wastewater flow is short, the water consumption and the energy consumption are low, and the pollutant treatment efficiency is high.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides an integral type biological filter, its characterized in that, includes filter cell body (10), first pipeline (20) and second pipeline (30), filter cell body (10) are from up being equipped with bottom water distribution district (11), lower part precoat (12), middle water distribution district (13), upper portion precoat (14) and clear water district (15) down in proper order, bottom water distribution district (11) with upper portion precoat (14) pass through first pipeline (20) are put through mutually, middle water distribution district (13) with clear water district (15) pass through second pipeline (30) are put through mutually.
2. An integrated biofilter according to claim 1, wherein a water distribution pipe (111), a first filter plate (112) and a first filter head (113) are arranged on the bottom water distribution area (11), a plurality of first filter heads (113) are uniformly distributed on the first filter plate (112), the first pipeline (20) comprises an aeration pipe (21), a backwash air pipe (22) and a water inlet pipe (23) which are sequentially arranged from top to bottom, the water distribution pipe (111) is arranged below the first filter plate (112), one end of the water distribution pipe (111) is arranged in the filter tank body (10), the other end of the water distribution pipe (111) extends out of the filter tank body (10) and is divided into two paths, one path is communicated with the backwash air pipe (22), and the other path is communicated with the water inlet pipe (23).
3. The integrated biological filter according to claim 2, further comprising a sludge discharge pipe (40), wherein the sludge discharge pipe (40) is communicated with the bottom water distribution area (11), an aeration opening (211) is formed in the aeration pipe (21), a water inlet (231) is formed in the water inlet pipe (23), and a sludge discharge opening (41) is formed in the sludge discharge pipe (40).
4. An integrated biofilter according to claim 3, wherein an aeration valve (212) is arranged on said aeration pipe (21), a sludge discharge valve (42) is arranged on said sludge discharge pipe (40), a water inlet valve (232) is arranged on said water inlet pipe (23), and a backwashing air valve (221) is arranged on said backwashing air pipe (22).
5. An integrated biofilter according to claim 2, wherein said lower filter layer (12) is filled with a light ceramsite filter material, the particle size of said light ceramsite filter material being 6-9 mm; the filter screen is characterized in that the lower filter material layer (12) is supported on the first filter plate (112), an intercepting net (121) used for preventing filter materials from running out during backwashing is arranged at the top of the lower filter material layer (12), and the aperture of a mesh of the intercepting net (121) is 4-5 mm.
6. An integrated biofilter according to claim 2, wherein said intermediate water distribution zone (13) is provided with a second filter plate (131) and a second filter head (132), and a plurality of said second filter heads (132) are uniformly distributed on said second filter plate (131).
7. An integrated biofilter according to claim 6, wherein said upper filter layer (14) is filled with a light ceramsite filter material, and the particle size of said light ceramsite filter material is 6-9 mm; the upper filter material layer (14) is supported on the second filter plate (131), an air distribution system (141) is arranged at the bottom of the upper filter material layer (14), and the air distribution system (141) is arranged above the second filter plate (131) and communicated with the aeration pipe (21).
8. An integrated biofilter according to claim 7, wherein said air distribution system (141) employs a single-hole membrane aerator uniformly arranged within said upper filter bed (14).
9. An integrated biofilter according to claim 2, wherein said second conduit (30) comprises an outlet pipe (31), an upper backwashing drain pipe (32) and a lower backwashing drain pipe (33) which are sequentially arranged from top to bottom, said clear water zone (15) is provided with a water collection weir (151), said water collection weir (151) is communicated with said outlet pipe (31), said lower backwashing drain pipe (33) is communicated with said intermediate water distribution zone (13), said outlet pipe (31) is provided with a water outlet (311), and said lower backwashing drain pipe (33) is provided with a backwashing water outlet (331).
10. An integrated biofilter according to claim 9, wherein an upper backwash drain valve (321) is provided on said upper backwash drain pipe (32), a lower backwash drain valve (332) is provided on said lower backwash drain pipe (33), and a drain valve (312) is provided on said drain pipe (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220353979.0U CN216837337U (en) | 2022-02-22 | 2022-02-22 | Integrated biological filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220353979.0U CN216837337U (en) | 2022-02-22 | 2022-02-22 | Integrated biological filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216837337U true CN216837337U (en) | 2022-06-28 |
Family
ID=82090478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220353979.0U Active CN216837337U (en) | 2022-02-22 | 2022-02-22 | Integrated biological filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216837337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115947481A (en) * | 2022-12-23 | 2023-04-11 | 天津市华淼给排水研究设计院有限公司 | Multi-effect biological filter suitable for sewage treatment quality improvement and efficiency enhancement |
-
2022
- 2022-02-22 CN CN202220353979.0U patent/CN216837337U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115947481A (en) * | 2022-12-23 | 2023-04-11 | 天津市华淼给排水研究设计院有限公司 | Multi-effect biological filter suitable for sewage treatment quality improvement and efficiency enhancement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102964037B (en) | Novel sewage treatment method by combined utilization of light filter material biological aerated filter and heavy filter material biological aerated filter | |
| CN102491500A (en) | Layered oxygen-supply aeration bacteria filter | |
| CN216837337U (en) | Integrated biological filter | |
| CN208883568U (en) | A kind of filtering settling pond integrating filtering, precipitating function | |
| CN111138046A (en) | Rear denitrification and denitrification filter device based on depth upgrading and treatment process thereof | |
| CN106673257A (en) | Micropolluted raw water treatment integrated plant | |
| CN205676314U (en) | A kind of defecator of nylon leaching net combined double-layer filtrate | |
| CN104528922A (en) | Upward flow type biological aerated filter | |
| CN107986435A (en) | A kind of efficient up-flow biological reaction apparatus and its operation method and application | |
| CN110589964A (en) | Internal circulation high-efficiency denitrification biological denitrification filter tank | |
| CN105753271A (en) | Biological filter-biological contact oxidation-steel slag absorption sewage treatment system and method for sewage treatment by utilizing system | |
| CN214781005U (en) | Draw-out type anaerobic gravity flow dynamic membrane biological reaction device with clamping groove | |
| CN214244117U (en) | Urban sewage treatment equipment | |
| CN112551826B (en) | Sewage treatment system with flocculation precipitation coupled MBBR and operation method | |
| CN212356727U (en) | Take mud-water separator's MBBR equipment | |
| CN212425789U (en) | Domestic sewage treatment device | |
| CN204356134U (en) | A kind of upward flowing type BAF | |
| CN105330021B (en) | A kind of floatable effluent treatment plant | |
| CN210261287U (en) | Mixed bed biochemical treatment device | |
| CN208747870U (en) | Integrated sewage treating apparatus | |
| CN111573836A (en) | MBBR (moving bed biofilm reactor) equipment with sludge-water separator and sewage treatment method thereof | |
| CN209940749U (en) | Optimized combined system for urban domestic sewage treatment | |
| CN209010334U (en) | A kind of multidirectional stream biofiltration device | |
| CN105621612A (en) | High-efficiency biological aerated filter (BAF) device used for explosive wastewater treatment | |
| CN207903981U (en) | A kind of efficient up-flow biological reaction apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 410000 3006, building 46, Rongke Tanxiang garden, No. 598, Changsha Avenue, Yuhua District, Changsha City, Hunan Province Patentee after: Hunan Diya Environmental Engineering Co.,Ltd. Address before: 410000 3006, building 46, Rongke Tanxiang garden, No. 598, Changsha Avenue, Yuhua District, Changsha City, Hunan Province Patentee before: HUNAN DIYA ENVIRONMENTAL ENGINEERING CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An integrated biological filter Effective date of registration: 20230810 Granted publication date: 20220628 Pledgee: Bank of Changsha Co.,Ltd. Jincheng sub branch Pledgor: Hunan Diya Environmental Engineering Co.,Ltd. Registration number: Y2023980051744 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220628 Pledgee: Bank of Changsha Co.,Ltd. Jincheng sub branch Pledgor: Hunan Diya Environmental Engineering Co.,Ltd. Registration number: Y2023980051744 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |