CN219689492U - Suspended bed denitrification filter device - Google Patents
Suspended bed denitrification filter device Download PDFInfo
- Publication number
- CN219689492U CN219689492U CN202320742963.3U CN202320742963U CN219689492U CN 219689492 U CN219689492 U CN 219689492U CN 202320742963 U CN202320742963 U CN 202320742963U CN 219689492 U CN219689492 U CN 219689492U
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- China
- Prior art keywords
- tank body
- filter
- rotating rod
- filter tank
- rod
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000000576 coating method Methods 0.000 claims description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 30
- 239000010865 sewage Substances 0.000 abstract description 17
- 239000007787 solid Substances 0.000 abstract description 15
- 239000002344 surface layer Substances 0.000 abstract description 14
- 239000012535 impurity Substances 0.000 abstract description 4
- 239000010410 layer Substances 0.000 abstract description 4
- 239000010802 sludge Substances 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 239000006004 Quartz sand Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 2
- 239000003830 anthracite Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000002223 garnet Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 240000007643 Phytolacca americana Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000725 suspension 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
- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a suspended bed denitrification filter device, which comprises: the filter tank body comprises a water outlet weir plate arranged on the filter tank body; the fixed rods are arranged on the inner walls of the two sides of the width direction of the filter tank body and are positioned at the lower part of the water outlet weir plate; the rotating rod is provided with a first end and a second end which are oppositely arranged, the rotating rod is rotatably arranged on the fixed rod, and the first end is oppositely positioned below the second end; a brush mounted at a first end of the rotating rod; the floating plate is arranged at the second end of the rotating rod and is positioned above the water outlet weir plate; the driving assembly is arranged in the filter tank body and can selectively drive the rotating rod to rotate; the utility model can solve the problems that the filtering capability of the filter bed is reduced and the sewage treatment amount of the denitrification filter is reduced sharply because the upper surface layer of the filter material entraps more suspended solids, so that the upper surface layer of the filter material forms an impurity layer composed of sludge and solids in a short time.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a suspended bed denitrification filter device.
Background
The denitrification filter is used for removing suspended solids and nitrate in water treatment, and is provided with a single-layer homogeneous filter material or a multi-layer filter material filter, wherein the filter material is natural quartz sand, the multi-layer filter material is anthracite, quartz sand, garnet and the like, and the grain sizes of the filter materials are arranged in the order of small from top to bottom.
The common denitrification deep bed filter adopts the working mode that suspended solids in a water body are adsorbed and removed under the physical interception and adsorption actions of a filter material when sewage flows through the filter material under the action of gravity, but the upper surface layer of the filter material is more in interception of the suspended solids, so that an impurity layer consisting of sludge and solids is formed on the upper surface layer of the filter material in a short time, the capability of filtering the suspended solids of the filter bed is reduced, and the sewage treatment capacity of the denitrification filter is greatly reduced.
In view of the above, the utility model provides a denitrification filter device capable of removing impurities on the upper surface layer of a filter material.
Disclosure of Invention
In order to overcome the defects, the utility model aims to provide a suspended bed denitrification filter device.
In order to achieve the above purpose, the technical scheme adopted by the utility model comprises the following steps:
the filter tank body comprises a water outlet weir plate arranged on the filter tank body;
the fixed rods are arranged on the inner walls of the two sides of the width direction of the filter tank body and are positioned at the lower part of the water outlet weir plate;
the rotating rod is provided with a first end and a second end which are oppositely arranged, the rotating rod is rotatably arranged on the fixed rod, and the first end is oppositely positioned below the second end;
a brush mounted at a first end of the rotating rod;
the floating plate is arranged at the second end of the rotating rod and is positioned above the water outlet weir plate;
the driving assembly is arranged in the filter tank body and can selectively drive the rotating rod to rotate.
In the preferable technical scheme of the suspension bed denitrification filter device, the driving assembly comprises:
the driving cylinder is arranged at the side part of the filter tank body, a pull rod is arranged at the end, extending out of the shaft, of the driving cylinder, and the pull rod is positioned in the filter tank body;
the bottom of the deflector rod is arranged on the pull rod, and the upper part of the deflector rod is arranged above the water outlet weir plate along the width direction of the filter tank body.
In the preferable technical scheme of the suspended bed denitrification filter device, the plurality of floating plates are arranged at different inclination angles.
In the preferable technical scheme of the suspended bed denitrification filter device, a plurality of brushes are connected and arranged through elastic pieces in the width direction of the filter body.
In the preferable technical scheme of the suspended bed denitrification filter device, the elastic piece is a spring or elastic steel.
In the preferable technical scheme of the suspended bed denitrification filter device, the brushes are provided with bristles with lengths on two sides being longer than the lengths on the bottom.
In the preferable technical scheme of the suspended bed denitrification filter device, PTFE coatings are sprayed on the surfaces of the hairbrush, the rotating rod and the floating plate.
The utility model has the beneficial effects that the floating plate is stirred by sewage entering the filter tank body, so that the rotating rod swings back and forth on the fixed rod, and the hairbrush arranged on the first end of the rotating rod can continuously clean the surface layer of the filter material, so that suspended solids in the sewage are continuously involved in the sewage, the suspended solids are prevented from being continuously accumulated on the upper surface layer of the filter material, and the purification effect of the filter material on the sewage is effectively improved.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
in the figure: the filter tank comprises a filter tank body 1, a water inlet pipe 11, a flushing drain pipe 12, a filter material 13, a water outlet weir plate 2, a fixed rod 3, a rotating rod 4, a hairbrush 5, a floating plate 6, a driving cylinder 71, a pull rod 72 and a deflector rod 73.
Detailed Description
Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.
It should be noted that, in the description of the present utility model, terms such as "upper", "lower", "left", "right", "front", "rear", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present utility model, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
As shown in fig. 1 to 2, a suspended bed denitrification filter apparatus of the present utility model comprises:
the filter body 1 comprises a water outlet weir plate 2 arranged on the filter body;
the fixed rods 3 are arranged on the inner walls of the two sides of the filter tank body 1 in the width direction and are positioned at the lower part of the water outlet weir plate 2;
a rotating rod 4, which is provided with a first end and a second end which are oppositely arranged, wherein the rotating rod 4 is rotatably arranged on the fixed rod 3, and the first end is oppositely positioned below the second end;
a brush 5 installed at a first end of the rotating rod 4;
the floating plate 6 is arranged at the second end of the rotating rod 4, and the floating plate 6 is positioned above the water outlet weir plate 2;
the driving component is arranged in the filter tank body 1 and can selectively drive the rotating rod 4 to rotate.
Referring to fig. 1 and 2, the filter body 1 at least comprises a water outlet weir plate 2, a water inlet pipe 11 and a flushing drain pipe 12; the filter body 1 is internally provided with a filter material 13, and the filter material 13 consists of anthracite, quartz sand and garnet.
Referring to fig. 1 and 2, a fixed rod 3 is fixedly connected to the inner wall of the filter tank body 1 in the width direction, the fixed rods 3 are provided with a plurality of fixed rods and are uniformly arranged along the length direction of the filter tank body 1, and the fixed rods 3 are positioned between the water outlet weir plate 2 and the filter material 13; a plurality of rotating rods 4 are rotatably arranged on each fixed rod 3, each rotating rod 4 is provided with a first end and a second end, the first end extends downwards to a filter material 13, the second end extends upwards to a water outlet weir plate 2, a hairbrush 5 is arranged on the first end along the width direction of the filter body 1, the bristles of the hairbrush 5 are rigidly arranged, a floating plate 6 is arranged on the second end, part of the floating plate 6 is positioned below a water meter, the other part of the floating plate 6 is positioned on the water surface, and the floating plate 6 has certain buoyancy; the utility model also comprises a driving component which can be contacted with or separated from the floating plate 6 and the rotating rod 4, so that the floating plate 6 has a certain degree of freedom.
When the water inlet pipe 11 feeds sewage into the filter tank body 1, the sewage which enters the filter tank body 1 stirs the floating plate 6, so that the rotating rod 4 swings back and forth on the fixed rod 3, the hairbrush 5 arranged on the first end of the rotating rod 4 can continuously clean the surface layer of the filter material 13, so that suspended solids in the sewage are continuously involved in the sewage, the suspended solids are prevented from being continuously accumulated on the upper surface layer of the filter material 13, and the purification efficiency of the filter material 13 on the sewage is effectively improved; when the speed of water flow driving the brush 5 to swing does not meet the cleaning requirement, the driving assembly is controlled to work, and under the control of the driving assembly, the rotating rod 4 can quickly swing on the fixed rod 3, so that the swinging speed of the brush 5 is improved, the possibility that suspended solids are accumulated on the upper surface layer of the filter material 13 is reduced, the using effect of the cleaning device is improved, and the cleaning device is practical.
It should be noted that the number of brushes 5 shown in the drawings is merely illustrative, and specifically, the number of brushes 5 may be increased or decreased according to the use requirement.
In one or more embodiments, the drive assembly includes:
a driving cylinder 71 which is arranged at the side part of the filter tank body 1, wherein a pull rod 72 is arranged at the end of the driving cylinder 71 extending out of the shaft, and the pull rod 72 is positioned in the filter tank body 1;
the bottom of the deflector rod 73 is arranged on the pull rod 72, and the upper part of the deflector rod 73 is arranged above the water outlet weir plate 2 along the width direction of the filter tank body 1.
Referring to fig. 2, a deflector rod 73 is positioned above the water outlet weir plate 2, and the deflector rod 73 can form a poking action on the floating plate 6 when reciprocating along the length direction of the filter body 1. When the brush 5 cleaning efficiency needs to be quickened, the extension shaft of the driving cylinder 71 is controlled to extend or reset continuously, so that the deflector rod 73 arranged on the pull rod 72 can stir the floating plate 6 in a reciprocating manner, the purposes are achieved, the operation is convenient, and the structure is simple.
It will be appreciated that the return of the floating plate 6 after being moved by the lever 73 is achieved by its own buoyancy, and therefore may be made of a material having a high buoyancy and being resistant to corrosion.
In addition, a poking blade can be arranged on the poking rod 73 and positioned below the surface of the sewage, and when the poking blade moves along with the poking rod 73, the poking blade can poke the sewage at the upper part of the filter material 13, so that the flowing speed of suspended solids in water flow is increased, the possibility that the suspended solids are accumulated on the upper surface layer of the filter material 13 is reduced, and the sewage treatment efficiency is further improved.
In one or more embodiments, a plurality of the floating plates 6 are disposed at different inclination angles.
Referring to fig. 1, it can be understood that the plurality of floating plates 6 provided on each fixing rod 3 have different inclination angles, so that the floating plates 6 can be stirred by sewage from different angles, and then more floating plates 6 can be improved to realize a free swing effect.
In one or more embodiments, a plurality of brushes 5 are connected by elastic members in the width direction of the filter body 1.
The elastic piece is not shown in the drawing, it can be understood that when the floating plate 6 on the same fixed rod 3 drives the hairbrush 5 to swing freely, the elastic piece can drive the rest hairbrushes 5 which do not swing to move synchronously, so that the cleaning area of suspended solids on the upper surface layer of the filter material 13 is increased; meanwhile, the plurality of brushes 5 on the same fixed rod 3 are connected through the elastic piece, and the movement of the single brush 5 is not hindered, namely, the plurality of brushes 5 can swing along opposite directions, so that the using effect of the utility model is improved.
In one or more embodiments, the resilient member is a spring or resilient steel.
In one or more embodiments, the brush 5 has bristles with a longer side-to-side length than a bottom length thereof. It can be understood that when the brush 5 swings, the contact area between the bristles of the brush 5 and the upper surface layer of the filter material 13 can be increased by setting the lengths of the two sides of the bristles to be greater than the length of the bottom, so that stirring effect on sludge and impurities on the upper surface layer of the filter material 13 is improved, and the practicality is realized.
In one or more embodiments, the brush 5, the rotating rod 4 and the floating plate 6 are coated with a PTFE coating.
It should be noted that the PTFE coating has a certain self-lubricating and anti-corrosion effect, and the service life of the PTFE coating can be effectively prolonged by coating the brush 5, the rotating rod 4 and the floating plate 6 with the PTFE coating.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. A suspended bed denitrification filter device, comprising:
the filter tank body comprises a water outlet weir plate arranged on the filter tank body;
the fixed rods are arranged on the inner walls of the two sides of the width direction of the filter tank body and are positioned at the lower part of the water outlet weir plate;
the rotating rod is provided with a first end and a second end which are oppositely arranged, the rotating rod is rotatably arranged on the fixed rod, and the first end is oppositely positioned below the second end;
a brush mounted at a first end of the rotating rod;
the floating plate is arranged at the second end of the rotating rod and is positioned above the water outlet weir plate;
the driving assembly is arranged in the filter tank body and can selectively drive the rotating rod to rotate.
2. A suspended bed denitrification filter apparatus according to claim 1, wherein: the drive assembly includes:
the driving cylinder is arranged at the side part of the filter tank body, a pull rod is arranged at the end, extending out of the shaft, of the driving cylinder, and the pull rod is positioned in the filter tank body;
the bottom of the deflector rod is arranged on the pull rod, and the upper part of the deflector rod is arranged above the water outlet weir plate along the width direction of the filter tank body.
3. A suspended bed denitrification filter apparatus according to claim 1, wherein: the floating plates are arranged at different inclination angles.
4. A suspended bed denitrification filter apparatus according to claim 1, wherein: in the width direction of the filter tank body, a plurality of hairbrushes are connected and arranged through elastic pieces.
5. The suspended bed denitrification filter device according to claim 4, wherein: the elastic piece is a spring or elastic steel.
6. A suspended bed denitrification filter apparatus according to claim 1, wherein: the brush has bristles having both side lengths greater than the bottom length thereof.
7. A suspended bed denitrification filter apparatus according to any one of claims 1 to 6, wherein: PTFE coatings are sprayed on the surfaces of the hairbrush, the rotating rod and the floating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320742963.3U CN219689492U (en) | 2023-04-06 | 2023-04-06 | Suspended bed denitrification filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320742963.3U CN219689492U (en) | 2023-04-06 | 2023-04-06 | Suspended bed denitrification filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219689492U true CN219689492U (en) | 2023-09-15 |
Family
ID=87938049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320742963.3U Active CN219689492U (en) | 2023-04-06 | 2023-04-06 | Suspended bed denitrification filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219689492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117566905A (en) * | 2023-10-18 | 2024-02-20 | 杭州亦韬环境工程有限公司 | Filtering device of denitrification filter |
-
2023
- 2023-04-06 CN CN202320742963.3U patent/CN219689492U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117566905A (en) * | 2023-10-18 | 2024-02-20 | 杭州亦韬环境工程有限公司 | Filtering device of denitrification filter |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |