CN220245767U - Back flushing mechanism of denitrification deep bed filter - Google Patents
Back flushing mechanism of denitrification deep bed filter Download PDFInfo
- Publication number
- CN220245767U CN220245767U CN202321715388.4U CN202321715388U CN220245767U CN 220245767 U CN220245767 U CN 220245767U CN 202321715388 U CN202321715388 U CN 202321715388U CN 220245767 U CN220245767 U CN 220245767U
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- Prior art keywords
- filter
- material particles
- filter material
- tank
- deep bed
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- 230000007246 mechanism Effects 0.000 title claims abstract description 54
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 50
- 239000002245 particle Substances 0.000 claims abstract description 47
- 238000003756 stirring Methods 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 69
- 238000009434 installation Methods 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 14
- 239000010865 sewage Substances 0.000 claims description 11
- 239000002351 wastewater Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 5
- 238000011001 backwashing Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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 belongs to the technical field of denitrification deep bed filters, and in particular relates to a back flushing mechanism of a denitrification deep bed filter, which comprises the following components: the filter comprises a filter body with a layer of filter material particles, wherein a back flushing mechanism is arranged in the filter material particles, the back flushing mechanism is provided with a plurality of stirring mechanisms and a flushing assembly used for flushing dirt stirred by the stirring mechanisms, the flushing mechanism is arranged below the filter material particles, the stirring mechanisms are arranged in the filter material particles, a mounting frame is arranged above the filter material particles, and a plurality of mounting positions are arranged at the bottom of the mounting frame in a rectangular array.
Description
Technical Field
The utility model belongs to the technical field of denitrification deep bed filters, and particularly relates to a back flushing mechanism of a denitrification deep bed filter.
Background
The denitrification deep bed filter is a treatment unit integrating biological denitrification and filtering functions into a whole, is arranged after yielding water from the secondary sedimentation tank, can be fully combined with other treatment units, and has multiple functions of denitrification, dephosphorization, suspended solids removal and the like.
The filter tank needs back flushing to discharge the trapped and generated solids no matter in the deep bed filter tank mode or in the denitrification deep bed filter tank operation mode.
Most of the existing denitrification deep bed filter material backwashing devices singly adopt high-pressure water or high-pressure gas for backwashing, so that air and water are fully mixed and then are sprayed out from gaps between adjacent filter bricks. Because the gas density is less than water, the gas of the gas-water mixture sprayed out of the filter brick gap overflows before the water, but the back flushing effect is poor, and impurities mixed in the filter material are not easy to flush out during back flushing, so that the flushing efficiency is low.
Disclosure of Invention
The utility model aims to provide a back flushing mechanism of a denitrification deep bed filter, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a backwash mechanism of a denitrification deep bed filter, comprising: the filter comprises a filter body with a layer of filter material particles, wherein a back flushing mechanism is arranged in the filter material particles, the back flushing mechanism is provided with a plurality of stirring mechanisms and a flushing assembly used for flushing dirt stirred by the stirring mechanisms, the flushing mechanism is arranged below the filter material particles, and the stirring mechanisms are arranged in the filter material particles.
Preferably, the mounting frame is installed to the top of filter material granule, the bottom of mounting frame is rectangular array and is equipped with a plurality of installation positions, and a plurality of rabbling mechanism is installed respectively on corresponding installation position.
Preferably, the stirring mechanism comprises a rotary cylinder and a spiral blade which are sequentially installed, each installation position is provided with an installation column in the longitudinal direction, each rotary cylinder is respectively installed at the bottom of the corresponding installation column, and an air pipe extending to the outside of the filter body is installed on each rotary cylinder.
Preferably, the flushing mechanism comprises a water diversion pipe with a groined structure, a plurality of spray heads are arranged on the water diversion pipe at equal intervals, one ends of the spray heads face to filter material particles, a clean water tank is arranged outside the filter body, a water inlet pipe is communicated between the clean water tank and the water diversion pipe, and a water pump is arranged at one end of the water inlet pipe in the clean water tank.
Preferably, a filter layer is arranged below the filter material particles, and a circulating pipe communicated with the clean water tank is arranged below the filter layer.
Preferably, the filter body further comprises a water inlet tank for storing sewage, a wastewater tank is arranged on the outer side of the filter body, a drain pipe is connected between the wastewater tank and the filter body, and one end of the drain pipe is positioned at the top of the liquid level in the filter body.
Compared with the prior art, the utility model has the following beneficial effects:
(1) According to the utility model, the filter material particles are stirred through the stirring mechanism, dirt adsorbed on the filter material particles is conveniently separated in the stirring process, and meanwhile, the dirt and the filter material particles are vertically layered in the stirring process, so that the dirt and the filter material particles are conveniently separated.
(2) According to the utility model, the plurality of stirring mechanisms are respectively arranged below the mounting frame through the mounting frame and the plurality of mounting positions, so that the plurality of stirring mechanisms are conveniently distributed in the filter material particles in a rectangular lattice manner, and the filter material particles are conveniently stirred at different positions.
(3) According to the utility model, through the added water inlet pipe, the water diversion pipe and the plurality of spray heads, the spray heads are uniformly distributed at different positions below the filter material particles through the water diversion pipe, clear water is led into the water diversion pipe through the water inlet pipe, and water flow in the water diversion pipe is used for flushing dirt under the action of the spray heads, so that the separated dirt can be conveniently flushed out from the filter material particles.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top view of the screw flight, rotary cylinder and mounting bracket of the present utility model;
FIG. 3 is a top view of the water distribution pipe, spray head and water inlet pipe of the present utility model;
in the figure: 1. a water inlet tank; 2. a filter body; 3. an air pipe; 4. a circulation pipe; 5. a blow-down pipe; 6. a wastewater tank; 7. a clean water tank; 8. a water inlet pipe; 9. a spray head; 10. a water diversion pipe; 11. a filter layer; 12. spiral leaves; 13. a rotary cylinder; 14. a mounting column; 15. a mounting frame; 16. and (5) filtering material particles.
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.
Referring to FIG. 1, the back flushing mechanism of the denitrification deep bed filter provided by the utility model comprises: the filter body 2 with a layer of filter material particles 16 is provided with a back flushing mechanism in the filter material particles 16.
In the present utility model, as shown in fig. 1, the back washing mechanism of the present embodiment has a plurality of stirring mechanisms and a washing unit for washing dirt stirred out by the stirring mechanisms, the washing mechanism is installed below the filter material particles 16, and the stirring mechanisms are installed in the filter material particles 16.
1-2, a mounting frame 15 is mounted above the filter material particles 16, a plurality of mounting positions are arranged at the bottom of the mounting frame 15 in a rectangular array, and a plurality of stirring mechanisms are respectively mounted on the corresponding mounting positions.
As shown in fig. 1, the filter body 2 further comprises a water inlet tank 1 for storing sewage, a wastewater tank 6 is arranged on the outer side of the filter body 2, a sewage drain pipe 5 is connected between the wastewater tank 6 and the filter body 2, and one end of the sewage drain pipe 5 is positioned at the top of the liquid level in the filter body 2.
In the above-mentioned, in the back flushing mechanism provided by the utility model, a plurality of stirring mechanisms are suspended in the filter material particles 16 through the mounting frame 15, sewage entering the filter tank body 2 is pretreated through the water inlet tank 1, the treated sewage enters the filter tank body 2, when the filter tank body 2 needs to be back flushed, the stirring mechanisms stir the filter material particles 16, the sewage separated from the filter material particles 16 is flushed out through the flushing assembly, the sewage is positioned on the top layer of the liquid level, and the wastewater at the liquid level in the filter tank body 2 is led into the wastewater tank 6 through the sewage drain pipe 5.
In the present utility model, as shown in connection with fig. 1-2, the stirring mechanism of the present embodiment comprises a rotary cylinder 13 and a spiral blade 12 which are installed in sequence, an installation column 14 is installed in the longitudinal direction of each installation position, each rotary cylinder 13 is installed at the bottom of the corresponding installation column 14, and an air pipe 3 extending to the outside of the filter body 2 is installed on the rotary cylinder 13.
In the above-mentioned manner, in the stirring mechanism provided by the utility model, the spiral blade 12 is installed in the filter material particles 16 through the installation column 14, the spiral blade 12 is driven to rotate through the rotary air cylinder 13, and the rotary air cylinder 13 is connected with an external air source through the two air pipes 3, so that the spiral blade 12 is driven to rotate along with the rotation of the rotary air cylinder 13, and when the spiral blade 12 rotates, the filter material particles 16 are stirred through the spiral blade 12, so that dirt adsorbed on the filter material particles 16 is separated conveniently, and the upper and lower layering is carried out under the action of the spiral blade 12.
In the utility model, as shown in fig. 1 and 3, the flushing mechanism comprises a water diversion pipe 10 with a cross-shaped structure, a plurality of spray heads 9 are equidistantly arranged on the water diversion pipe 10, one ends of the spray heads 9 face filter material particles 16, a clean water tank 7 is arranged outside the filter tank body 2, a water inlet pipe 8 is communicated between the clean water tank 7 and the water diversion pipe 10, and a water pump is arranged at one end of the water inlet pipe 8 in the clean water tank 7.
As shown in fig. 1, a filter layer 11 is arranged below the filter material particles 16, and a circulating pipe 4 communicated with the clean water tank 7 is arranged below the filter layer 11.
In the flushing mechanism provided by the utility model, the spray heads 9 are distributed below the filter material particles 16 in a rectangular array through the water distribution pipe 10, the water distribution pipe 10 is communicated with the clean water tank 7 through the water inlet pipe 8, the clean water tank 7 is used for storing clean water, after dirt is separated from the filter material particles 16, the water pump is started, the clean water in the clean water tank 7 is guided into the water distribution pipe 10 through the water inlet pipe 8, the clean water is respectively guided to the spray heads 9 through the water distribution pipe 10, and the clean water is sprayed out from the lower direction of the filter material particles 16 through the spray heads 9, so that the dirt separated from the filter material particles 16 is flushed above the filter material particles 16, the back flushing operation of the dirt in the filter material particles 16 is realized, and the sewage enters the clean water tank 7 through the circulating pipe 4 after being filtered through the filter material particles 16 and the filter layer 11.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The back flush mechanism of denitrification deep bed filtering pond, its characterized in that includes: the filter is characterized in that the filter is provided with a filter body (2) with a layer of filter material particles (16), wherein a back flushing mechanism is arranged in the filter material particles (16), the back flushing mechanism is provided with a plurality of stirring mechanisms and a flushing assembly used for flushing dirt stirred out by the stirring mechanisms, the back flushing mechanism is arranged below the filter material particles (16), and the stirring mechanisms are arranged in the filter material particles (16).
2. The backwash mechanism of a denitrification deep bed filter as set forth in claim 1 wherein: the installation rack (15) is installed above the filter material particles (16), a plurality of installation positions are arranged at the bottom of the installation rack (15) in a rectangular array, and a plurality of stirring mechanisms are respectively installed on the corresponding installation positions.
3. The backwash mechanism of a denitrification deep bed filter as claimed in claim 2, wherein: the stirring mechanism comprises rotary air cylinders (13) and spiral blades (12) which are sequentially installed, each rotary air cylinder (13) is respectively installed at the bottom of the corresponding installation column (14), and an air pipe (3) extending to the outside of the filter tank body (2) is installed on each rotary air cylinder (13).
4. The backwash mechanism of a denitrification deep bed filter as set forth in claim 1 wherein: the flushing mechanism comprises a water diversion pipe (10) with a groined structure, a plurality of spray heads (9) are arranged on the water diversion pipe (10) at equal distance, one ends of the spray heads (9) face filter material particles (16), a clean water tank (7) is arranged outside the filter tank body (2), a water inlet pipe (8) is communicated between the clean water tank (7) and the water diversion pipe (10), and a water pump is arranged at one end of the water inlet pipe (8) in the clean water tank (7).
5. The backwashing mechanism of the denitrification deep bed filter as set forth in claim 4, wherein: a filter layer (11) is arranged below the filter material particles (16), and a circulating pipe (4) communicated with the clean water tank (7) is arranged below the filter layer (11).
6. The backwash mechanism of a denitrification deep bed filter as set forth in claim 1 wherein: the filter body (2) further comprises a water inlet tank (1) for storing sewage, a wastewater tank (6) is arranged on the outer side of the filter body (2), a drain pipe (5) is connected between the wastewater tank (6) and the filter body (2), and one end of the drain pipe (5) is positioned at the top of the liquid level in the filter body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321715388.4U CN220245767U (en) | 2023-07-03 | 2023-07-03 | Back flushing mechanism of denitrification deep bed filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321715388.4U CN220245767U (en) | 2023-07-03 | 2023-07-03 | Back flushing mechanism of denitrification deep bed filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220245767U true CN220245767U (en) | 2023-12-26 |
Family
ID=89264538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321715388.4U Active CN220245767U (en) | 2023-07-03 | 2023-07-03 | Back flushing mechanism of denitrification deep bed filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220245767U (en) |
-
2023
- 2023-07-03 CN CN202321715388.4U patent/CN220245767U/en active Active
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