CN220597202U - Water distribution backwashing structure of anoxic biological filter - Google Patents
Water distribution backwashing structure of anoxic biological filter Download PDFInfo
- Publication number
- CN220597202U CN220597202U CN202322242440.5U CN202322242440U CN220597202U CN 220597202 U CN220597202 U CN 220597202U CN 202322242440 U CN202322242440 U CN 202322242440U CN 220597202 U CN220597202 U CN 220597202U
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- China
- Prior art keywords
- water inlet
- water
- backwashing
- main
- pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 184
- 238000011001 backwashing Methods 0.000 title claims abstract description 69
- 239000000945 filler Substances 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 3
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010802 sludge 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
Abstract
The utility model discloses a water distribution backwashing structure of an anoxic biological filter, which belongs to the technical field of water treatment equipment and comprises a water distribution component and a backwashing component arranged below the water distribution component; the water distribution assembly comprises a main water inlet pipe, a plurality of water inlet branch pipes are uniformly and alternately distributed on the main water inlet pipe, the water inlet branch pipes are connected with the main water inlet pipe into a whole, one side of the main water inlet pipe is internally provided with an opening and communicated with the inside of the water inlet branch pipes, the water inlet branch pipes are uniformly and alternately distributed with a plurality of water outlets in the parallel direction of pipeline arrangement, and a water inlet is formed in one end of the main water inlet pipe. The water inlet main pipe adopts a closed-loop structure, so that the pressure in the water inlet pipeline is uniform, and the uniformity of the water quantity entering the water inlet branch pipe can be improved; the water outlets are arranged into water outlet apertures with different sizes, the water distribution resistance can be adjusted, the water outlet adopts a design mode of being far close to the water inlet, the water yield at one side far away from the water inlet is improved, and the water distribution uniformity is further improved.
Description
Technical Field
The utility model belongs to the technical field of water treatment equipment, and particularly relates to a water distribution backwashing structure of an anoxic biological filter.
Background
The anoxic biological filter can convert nitrate nitrogen into nitrogen through denitrifying bacteria under the denitrification effect, and can effectively remove pollutants such as total nitrogen and the like. The pond is generally filled with filler with high hardness and high porosity, and provides an adhesion bed for microorganisms. After running for a period of time, the filler is blocked, and high-speed water flow, air flow back flushing, and other means are mostly adopted to flush the filler, so that the filter tank recovers the filtering capability.
The existing anoxic biological filter water distribution structure adopts a mode that one or more water inlet and air inlet main pipes are connected with a plurality of water distribution and air distribution branch pipes. Under the condition of self-flowing water inflow, the water outlet close to the main water inlet is inconsistent with the water outlet far away from the main water inlet, so that the water outlet phenomenon of 'near more or less' appears, and the phenomenon is more easy to appear under the condition of larger cross section of the tank body. Uneven water inflow in the box body is easy to cause unbalanced biochemical reaction, and the overall treatment efficiency is affected. And the water outlet is opened upwards, so that the water outlet is easy to be blocked due to falling and accumulation of sludge and the like in the running process.
Disclosure of Invention
The utility model aims to provide a water distribution backwashing structure of an anoxic biological filter, which is used for solving the problems faced in the background technology.
The aim of the utility model can be achieved by the following technical scheme:
the water distribution backwashing structure of the anoxic biological filter comprises a water distribution component and a backwashing component arranged below the water distribution component;
the water distribution assembly comprises a water inlet main pipe, a plurality of water inlet branch pipes are uniformly and alternately distributed on the water inlet main pipe, the water inlet branch pipes are connected with the water inlet main pipe into a whole, one side of the water inlet main pipe is internally provided with an opening and communicated with the inside of the water inlet branch pipes, the water inlet branch pipes are uniformly and alternately distributed with a plurality of water outlets in the parallel direction of pipeline arrangement, and one end of the water inlet main pipe is provided with a water inlet;
the back washing assembly comprises an air inlet and a back washing main pipe connected with the air inlet, a plurality of back washing branch pipes are uniformly distributed on the back washing main pipe at intervals, and a plurality of back washing ports are formed in each back washing branch pipe.
Further, the main water inlet pipe is in a closed loop shape, and the closed loop shape is circular or elliptical.
Further, a connecting main pipe is further arranged in the middle of the ring of the water inlet main pipe, and the connecting main pipe is communicated with the water inlet main pipe and the water inlet branch pipe.
Further, the aperture of the water outlet arranged on the water inlet branch pipe far away from the water inlet is larger than that of the water outlet arranged on the water inlet branch pipe near the water inlet.
Further, the backwashing branch pipes are positioned below the water inlet branch pipes and are in one-to-one correspondence.
Further, the backwash ports are obliquely arranged at intervals and symmetrically arranged at two sides of the backwash branch pipe, and the distribution intervals correspond to the water outlets one by one.
Further, the number of the backwashing main pipes is at least one, and the backwashing branch pipes are arranged on one side of the backwashing main pipe or symmetrically arranged on two sides of the backwashing main pipe.
The utility model has the beneficial effects that:
the water inlet main pipe adopts a closed-loop structure, so that the pressure in the water inlet pipeline is uniform, and the uniformity of the water quantity entering the water inlet branch pipe can be improved; the water outlets are arranged into water outlet apertures with different sizes, the water distribution resistance can be adjusted, the water outlet adopts a design mode of being far close to the water inlet, the water yield at one side far away from the water inlet is improved, and the water distribution uniformity is further improved.
The backwashing branch pipes and the water inlet branch pipes are in one-to-one correspondence, and the backwashing ports and the water outlets are in one-to-one correspondence, so that backwashing effect can be ensured, and meanwhile, blockage of the water outlets can be effectively reduced.
Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a water distribution assembly according to the present utility model;
FIG. 2 is a schematic view of a backwash assembly according to the present utility model;
FIG. 3 is a schematic diagram of the backwash branch and the water inlet branch of the present utility model.
The drawings illustrate:
1. a water distribution component; 2. a backwash assembly; 101. a water inlet main pipe; 102. a water inlet branch pipe; 103. a water outlet; 104. connecting a main pipe; 105. a water inlet; 201. an air inlet; 202. backwashing a main pipe; 203. backwashing the branch pipes; 204. and (5) backwashing the mouth.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
1-3, the anoxic biofilter water distribution backwashing structure comprises a water distribution component 1 and a backwashing component 2 arranged below the water distribution component 1, wherein the water distribution component 1 comprises a main water inlet pipe 101, a plurality of water inlet branch pipes 102 are uniformly distributed on the main water inlet pipe 101 at intervals, the water inlet branch pipes 102 are connected with the main water inlet pipe 101 into a whole, one side of the main water inlet pipe 101 is internally provided with an opening and communicated with the inside of the water inlet branch pipes 102, the water inlet branch pipes 102 are uniformly distributed with a plurality of water outlets 103 at intervals in the parallel direction of pipeline arrangement, and one end of the main water inlet pipe 101 is provided with a water inlet 105; the backwashing assembly 2 comprises an air inlet 201 and a backwashing main pipe 202 connected with the air inlet 201, a plurality of backwashing branch pipes 203 are uniformly distributed on the backwashing main pipe 202 at intervals, and a plurality of backwashing ports 204 are arranged on each backwashing branch pipe 203. When the filler is blocked, the water head loss is increased or the water quality is poor, a backwashing program is started. The backwash assembly 2 at the bottom is started and high-speed air flows are ejected from the backwash ports 204 to backwash the packing. The air flow sprayed out of the backwashing port 204 can also impact the surrounding environment of the water outlet 103, so that the water outlet 103 is prevented from being blocked due to impurity deposition.
As shown in fig. 1, the water inlet main pipe 101 is in a closed ring shape, the closed ring shape is circular or elliptical, a connecting main pipe 104 is further arranged in the middle of the ring shape of the water inlet main pipe 101, and the connecting main pipe 104 is communicated with the water inlet main pipe 101 and the water inlet branch pipe 102. According to the shape of the filter tank, one of circular shape and oval shape can be selected so as to be matched with the filter tank, and for a tank body with larger area, a connecting main pipe 104 can be additionally arranged in the annular middle of the water inlet main pipe 101 and is communicated with the water inlet main pipe 101 and the water inlet branch pipe 102, so that the water inlet main pipe 101 is better matched with the filter tank, a closed-loop structure is adopted, the pressure in a water inlet pipeline is uniform, and the uniformity of water quantity entering the water inlet branch pipe 102 can be improved. The number of the backwashing main pipes 202 is at least one, and the backwashing branch pipes 203 can be arranged on one side of the backwashing main pipe 202 or can be symmetrically arranged on two sides of the backwashing main pipe 202. According to the shape and size of the filter tank, the number of the backwashing main pipes 202 can be selected, one backwashing branch pipes 203 can be arranged on one side of the backwashing main pipe 202, and the backwashing branch pipes 203 can be symmetrically arranged on two sides of the backwashing main pipe 202, so that the backwashing main pipe can be matched with the volume of the filter tank, and the overall treatment efficiency can be ensured.
As shown in fig. 1 and 3, the aperture of the water outlet 103 formed in the water inlet branch pipe 102 on the side far from the water inlet 105 is larger than the aperture of the water outlet 103 formed in the water inlet branch pipe 102 on the side near to the water inlet 105. The water outlet 103 adopts a design mode of being far and near small relative to the water inlet 105, so that the water yield at one side far from the water inlet 105 is improved, the water distribution uniformity is further improved, the water distribution resistance can be adjusted by arranging water outlet apertures with different sizes at the water outlet 103, the water yield at one side far from the water inlet 105 is improved, and the water yield in each area is ensured to be uniform.
As shown in fig. 3, backwash branch pipes 203 are located below the water inlet branch pipes 102 and are in one-to-one correspondence, backwash ports 204 are arranged in an inclined interval distribution manner and are symmetrically arranged at two sides of the backwash branch pipes 203, and the distribution intervals are in one-to-one correspondence with the water outlets 103. The backwashing branch pipes 203 are in one-to-one correspondence with the water inlet branch pipes 102, and the backwashing ports 204 are in one-to-one correspondence with the water outlets 103, so that backwashing effect can be ensured, and meanwhile, blockage of the water outlets 103 can be effectively reduced.
The working flow is as follows:
when the filler is blocked, the water head loss is increased or the water quality is poor, a backwashing program is started. The high velocity air stream is ejected from backwash port 204 to backwash the packing. The air flow sprayed out of the backwashing port 204 can also impact the surrounding environment of the water outlet 103, so that the water outlet 103 is prevented from being blocked due to impurity deposition.
The foregoing is merely illustrative and explanatory of the principles of the utility model, as various modifications and additions may be made to the specific embodiments described, or similar thereto, by those skilled in the art, without departing from the principles of the utility model or beyond the scope of the appended claims.
Claims (7)
1. The water distribution backwashing structure of the anoxic biological filter is characterized by comprising a water distribution assembly (1) and a backwashing assembly (2) arranged below the water distribution assembly (1);
the water distribution assembly (1) comprises a main water inlet pipe (101), a plurality of branch water inlet pipes (102) are uniformly distributed on the main water inlet pipe (101) at intervals, the branch water inlet pipes (102) are connected with the main water inlet pipe (101) into a whole, one side of the main water inlet pipe (101) is internally opened and communicated with the inside of the branch water inlet pipe (102), a plurality of water outlets (103) are uniformly distributed on the branch water inlet pipe (102) at intervals in the parallel direction of pipeline arrangement, and a water inlet (105) is formed in one end of the main water inlet pipe (101);
the backwashing assembly (2) comprises an air inlet (201) and a backwashing main pipe (202) connected with the air inlet (201), a plurality of backwashing branch pipes (203) are uniformly distributed on the backwashing main pipe (202) at intervals, and a plurality of backwashing ports (204) are formed in each backwashing branch pipe (203).
2. The anoxic biofilter water distribution backwashing structure according to claim 1, wherein the main water inlet pipe (101) is in a closed loop shape, and the closed loop shape is circular or elliptical.
3. The anoxic biofilter water distribution backwashing structure according to claim 1, wherein a connecting main pipe (104) is further arranged in the middle of the ring of the main water inlet pipe (101), and the connecting main pipe (104) is communicated with the main water inlet pipe (101) and the water inlet branch pipe (102).
4. The anoxic biofilter water distribution backwashing structure according to claim 1, wherein the aperture of the water outlet (103) arranged on the water inlet branch pipe (102) far from the water inlet (105) side is larger than the aperture of the water outlet (103) arranged on the water inlet branch pipe (102) near the water inlet (105) side.
5. The anoxic biofilter water distribution backwashing structure according to claim 1, wherein the backwashing branch pipes (203) are positioned below the water inlet branch pipes (102) and are in one-to-one correspondence.
6. The anoxic biofilter water distribution backwashing structure according to claim 1, wherein backwashing ports (204) are obliquely arranged at intervals and symmetrically arranged at two sides of backwashing branch pipes (203), and the distribution intervals are in one-to-one correspondence with water outlets (103).
7. The anoxic biofilter water distribution backwashing structure according to claim 1, wherein the number of the backwashing main pipes (202) is at least one, and the backwashing branch pipes (203) are arranged on one side of the backwashing main pipes (202) or symmetrically arranged on two sides of the backwashing main pipes (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322242440.5U CN220597202U (en) | 2023-08-21 | 2023-08-21 | Water distribution backwashing structure of anoxic biological filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322242440.5U CN220597202U (en) | 2023-08-21 | 2023-08-21 | Water distribution backwashing structure of anoxic biological filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220597202U true CN220597202U (en) | 2024-03-15 |
Family
ID=90182280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322242440.5U Active CN220597202U (en) | 2023-08-21 | 2023-08-21 | Water distribution backwashing structure of anoxic biological filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220597202U (en) |
-
2023
- 2023-08-21 CN CN202322242440.5U patent/CN220597202U/en active Active
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