CN110885107A - Movable filter plate type filter material intercepting device - Google Patents
Movable filter plate type filter material intercepting device Download PDFInfo
- Publication number
- CN110885107A CN110885107A CN201911343733.4A CN201911343733A CN110885107A CN 110885107 A CN110885107 A CN 110885107A CN 201911343733 A CN201911343733 A CN 201911343733A CN 110885107 A CN110885107 A CN 110885107A
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- Prior art keywords
- filter
- filter plate
- water
- plate
- angle gear
- 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.)
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Links
- 239000000463 material Substances 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 238000011001 backwashing Methods 0.000 claims abstract description 14
- 238000005406 washing Methods 0.000 claims abstract description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000006260 foam Substances 0.000 abstract description 17
- 239000010865 sewage Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 description 6
- 238000001914 filtration Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a movable filter plate type filter material intercepting device, which relates to the technical field of sewage treatment equipment and comprises the following components: the filter plate is fixed on the wall of the effluent weir of the filter tank through a hinge; the buoy is arranged on one side of the filter plate facing the interior of the filter tank, the filter plate and the buoy are both ensured to be below the water surface in a water washing state, and the buoy pushes the filter plate to rotate and lift through the floating action of gas in water in an air-water backwashing state so that the upper end of the filter plate floats out of the water surface; the first angle gear and the second angle gear are respectively arranged at two sides of the filter plate and limit the filter plate to rotate around the hinge between the first angle gear and the second angle gear; the device has the filter plate that can change operating position through rotating, and the filter material interception rate is high, can make things convenient for the discharge of foam to simple structure, easily installation, need not the power consumption.
Description
Technical Field
The invention belongs to the technical field of sewage treatment equipment, and particularly relates to a movable filter plate type filter material intercepting device.
Background
The biological filter has the advantages of short hydraulic retention time, easy film formation, high volume load, small occupied area, high treatment efficiency, strong impact load resistance, omission of a secondary sedimentation tank and the like, and can stably and effectively solve the problem that TN and SS of sewage exceed the standard.
After long-term engineering experiments, a series of problems are discovered, the filter material cannot be intercepted due to too large gaps of the filter material catching grid, so that the material leakage rate is high, the effective retention time of the filter is reduced, the denitrification capability of the filter is weakened, meanwhile, the filter material abrades a drainage pump of a wastewater tank, and subsequent process pipelines and structures are filled, so that the operation cost is increased, and a large amount of manual cleaning cost and equipment maintenance cost are increased; meanwhile, the filter material capturing grid also intercepts biological foam generated by backwashing, and the foam is dissolved in produced water, so that the quality of the produced water does not reach the standard. Utility model patent ZL201820149492.4 provides a novel filter material intercepting device, though can effectively get rid of biological foam, nevertheless under the serious condition of material phenomenon is spouted in the back flush of filtering pond, original novel filter material intercepting device can be crossed to some filter materials, goes out the filtering pond delivery port along with back flush waste water, can't realize the filter material and intercept completely.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides an active filter plate type filter material intercepting device which is provided with a filter plate, the working position of which can be changed through rotation, the filter material intercepting rate is high, the foam can be conveniently discharged, the structure is simple, the installation is easy, and energy consumption is not needed.
In order to achieve the above object, the present invention provides an active filter material intercepting apparatus, comprising:
the filter plate is fixed on the wall of the effluent weir of the filter tank through a hinge;
the buoy is arranged on one side of the filter plate facing the interior of the filter tank, the filter plate and the buoy are both ensured to be below the water surface in a water washing state, and the buoy pushes the filter plate to rotate and lift through the floating action of gas in water in an air-water backwashing state so that the upper end of the filter plate floats out of the water surface;
the first angle gear and the second angle gear are respectively arranged on two sides of the filter plate, and the filter plate is limited to rotate between the first angle gear and the second angle gear around the hinge.
Optionally, the filter plates are uniformly provided with filter holes, and the aperture ratio is 50% to 60%.
Optionally, the filter pores have a length of 2.5cm to 4cm and a width of 2.5mm to 3 mm.
Optionally, the filter plate is provided with a reinforcing flange all around.
Optionally, the filter plate material is a stainless steel plate 1mm to 2mm thick.
Optionally, the length of the filter plate is matched with the width of the water outlet of the filter tank, and the area of the filter plate covering the filter tank is 5.5% to 7.5% of the area of the top of the filter tank.
Optionally, the floats are arranged on the lower side of the filter plate and are uniformly arranged along the central line in the length direction of the filter plate.
Optionally, the absolute value of the net buoyancy of the floating body is 80% to 90% of the absolute value of the gravity borne by the filter plate.
Optionally, the first angle block and the second angle block are made of stainless steel tubes.
Optionally, the first angle block and the second angle block are fixed at two ends inside the pool wall.
The invention provides a movable filter plate type filter material intercepting device, which has the beneficial effects that:
1. the rotation of the filter plate is realized by utilizing different hydraulic characteristics of two back washing stages, the electric power consumption is not needed, the use cost is reduced, and the safety performance is good;
2. the filter material can be effectively intercepted, and the top end of the filter plate is higher than the highest liquid level in the air-water backwashing state, so that the filter material in effluent wastewater can be effectively intercepted, and meanwhile, the passing of water flow and floating impurities is not influenced;
3. the backwashing foam can be discharged, the top end of the filter plate is lower than the lowest liquid level in a washing state, and the filter plate does not intercept the foam floating on the water surface, so that the effective discharge of the backwashing foam is realized.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic structural view of an active filter plate type filter material intercepting apparatus according to an embodiment of the present invention.
Fig. 2 shows a schematic diagram of a filter plate structure of an active filter plate type filter material intercepting device according to an embodiment of the invention.
Description of reference numerals:
1. filtering the plate; 2. a hinge; 3. floating; 4. a first angle gear; 5. a second angle gear; 6. filtering holes; 7. and (5) reinforcing the folded edge.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The invention provides a movable filter plate type filter material intercepting device, which comprises:
the filter plate is fixed on the wall of the effluent weir of the filter tank through a hinge;
the buoy is arranged on one side of the filter plate facing the interior of the filter tank, the filter plate and the buoy are both ensured to be below the water surface in a water washing state, and the buoy pushes the filter plate to rotate and lift through the floating action of gas in water in an air-water backwashing state so that the upper end of the filter plate floats out of the water surface;
the first angle gear and the second angle gear are respectively arranged on two sides of the filter plate, and the filter plate is limited to rotate between the first angle gear and the second angle gear around the hinge.
Specifically, the first angle gear and the second angle gear can limit the filter plate to rotate around the hinge between the first angle gear and the second angle gear; when the filter is in a gas-water backwashing state, the filter plate is pushed to rotate around the hinge due to the floating action of gas in water, the upper end of the filter plate floats out of the water surface, the rotation angle of the filter plate is limited by the first angle baffle, at the moment, overflowing water and floating impurities in overflowing water flow out through filter holes in the filter plate, and a filter material in the filter tank cannot pass through the filter holes, so that the interception of the filter material is realized; in the process, foam is generated on the water surface under the action of gas in the water, and when the water in the filter tank overflows, the foam on the water surface is also intercepted in the filter tank by the filter plate; when the washing state, because the filter plate action of gravity, the filter plate will float and press to the surface of water below, and the filter plate upper end stops in the surface of water below, keeps off restriction filter plate turned angle by the second angle, and the surface of water above the filter plate can be followed along with rivers outflow to the foam that produces on the surface of water in the filter tank this moment, realizes the effective emission of foam.
In other examples, the float can be further provided with a pneumatic rod, one end of the pneumatic rod is arranged on the wall of the weir pool, the other end of the pneumatic rod supports the filter plate at the same position as the float, and the air inlet end of the pneumatic rod is communicated with the backwashing air inlet pipe, so that the effects that the filter plate rotates and rises in an air-water backwashing state and rotates and falls in a water washing state can be achieved.
In one example, the filter plate is provided with filter holes uniformly, and the opening rate is 50 to 60 percent.
Specifically, the aperture ratio of 50% to 60% can ensure the throughput of water flow in the filter plate, and can also ensure the overall strength of the filter plate, thereby avoiding the deformation of the filter plate.
In one example, the filter openings are 2.5cm to 4cm in length and 2.5mm to 3mm in width.
Specifically, the size of the filter holes is set to ensure effective interception of the filter material and ensure the overflow water flow passing through the filter plate.
In one example, the filter plate is provided with a reinforcing flange all around.
Specifically, the arrangement of the folded edge can enhance the strength of the filter plate and avoid the deformation of the filter plate in the use process.
In one example, the filter plate material is a stainless steel plate 1mm to 2mm thick.
In other examples, the filter plate material may also be a steel plate with a corrosion-resistant coating layer on the surface.
In one example, the length of the filter plate is matched with the width of the water outlet of the filter tank, and the area of the filter plate covering the filter tank is 5.5 to 7.5 percent of the area of the top of the filter tank.
In one example, the floats are arranged on the lower side of the filter plate and are uniformly arranged along the central line in the length direction of the filter plate.
In one example, the absolute value of the net buoyancy of the float is 80% to 90% of the absolute value of the gravity to which the filter plate is subjected.
In one example, the first and second angle stops are stainless steel tubing.
In other examples, the material of the first angle block and the second angle block may also be angle steel with a corrosion-resistant coating layer arranged on the surface.
Specifically, the arrangement of the first angle stop and the second angle stop can prevent the filter plate from being incapable of returning to the normal working position through gravity or buoyancy due to over rotation.
In one example, the first angle block and the second angle block are fixed at two ends inside the pool wall.
In other examples, the first angle baffle and the second angle baffle can also be fixed on the wall of a water weir of the filter tank through a bracket.
Examples
As shown in fig. 1 and 2, the present invention provides an active filter material intercepting apparatus, including:
the filter plate 1 is fixed on the wall of an effluent weir of the filter tank through a hinge 2;
the buoy 3 is arranged on one side of the filter plate 1 facing the interior of the filter tank, the filter plate 1 and the buoy 3 are both ensured to be below the water surface in a water washing state, and the buoy 3 pushes the filter plate 1 to rotate and lift through the floating action of gas in water in an air-water backwashing state so that the upper end of the filter plate 1 floats out of the water surface;
the first angle gear 4 and the second angle gear 5 are respectively arranged on two sides of the filter plate 1 and limit the filter plate 1 to rotate around the hinge 2 between the first angle gear 4 and the second angle gear 5.
In this embodiment, the filter plates 1 are uniformly provided with filter holes 6, and the aperture ratio is 50%.
In this embodiment, the length of the filter holes 6 is 3cm and the width is 3 mm.
In this embodiment, the filter plate 1 is provided with a reinforcing flange 7 all around.
In this embodiment, the material of the filter plate 1 is a stainless steel plate with a thickness of 1.5 mm.
In this embodiment, the length of the filter plate 1 is adapted to the width of the water outlet of the filter tank, and the area of the filter plate 1 covering the filter tank is 6% of the area of the top of the filter tank.
In this embodiment, the floats 3 are disposed on the lower side of the filter plate 1 and are uniformly arranged along the center line of the filter plate 1 in the length direction.
In this embodiment, the absolute value of the net buoyancy of the float 3 is 80% to 90% of the absolute value of the gravity applied to the filter plate 1.
In this embodiment, the material of the first angle block 4 and the second angle block 5 is stainless steel pipe.
In this embodiment, the first angle block 4 and the second angle block 5 are fixed at both ends inside the tank wall.
In conclusion, when the movable filter plate type filter material intercepting device provided by the invention is used, in an air-water backwashing state, the floater 3 floats upwards due to the floating action of gas in water, so that the filter plate 1 is pushed to rotate around the hinge 2, the upper end of the filter plate 1 floats out of the water surface by 4-5 cm, the rotation angle of the filter plate 1 is limited by the first angle baffle 4, at the moment, floating impurities in overflowing water and overflowing water flow out through the filter holes 6 on the filter plate 1, and a filter material in a filter tank cannot pass through the filter holes 6, so that the interception of the filter material is realized; in the process, foam is generated on the water surface under the action of gas in the water, and when the water in the filter tank overflows, the foam on the water surface is also intercepted in the filter tank by the filter plate 1; when the washing state, because filter plate 1 action of gravity, filter plate 1 will float 3 and press to the surface of water below, and filter plate 1 upper end stops 4cm to 5cm departments in the surface of water below, keeps off 5 restriction filter plate 1 turned angle by the second angle, and the surface of water above filter plate 1 can be followed along with rivers outflow to the foam that produces on the surface of water in the filter tank this moment, realizes the effective emission of foam. When the device is used, the filter material in the filter tank can be effectively intercepted, and the foam on the water surface can be effectively discharged under the water washing state, so that the device is simple in structure and good in using effect.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A movable filter plate type filter material intercepting device is characterized by comprising:
the filter plate is fixed on the wall of the effluent weir of the filter tank through a hinge;
the buoy is arranged on one side of the filter plate facing the interior of the filter tank, the filter plate and the buoy are both ensured to be below the water surface in a water washing state, and the buoy pushes the filter plate to rotate and lift through the floating action of gas in water in an air-water backwashing state so that the upper end of the filter plate floats out of the water surface;
the first angle gear and the second angle gear are respectively arranged on two sides of the filter plate, and the filter plate is limited to rotate between the first angle gear and the second angle gear around the hinge.
2. The filter media arresting device of claim 1 wherein the filter media is perforated with openings in the filter media at a rate of 50% to 60%.
3. The filter media arresting device of claim 2 wherein the filter openings are 2.5 to 4cm in length and 2.5 to 3mm in width.
4. The filter material intercepting apparatus of claim 1, wherein the filter panel is provided with a reinforcing flange around the filter panel.
5. The filter media arresting device of claim 1 wherein the filter material is a stainless steel plate of 1mm to 2mm thickness.
6. The movable filter plate type filter material intercepting device of claim 1, wherein the length of the filter plate is matched with the width of the water outlet of the filter tank, and the area of the filter plate covered by the filter plate is 5.5 to 7.5 percent of the area of the top of the filter tank.
7. The filter media arresting device of claim 1 wherein the floats are disposed on the underside of the filter media and are evenly spaced along the center line of the filter media in the length direction.
8. The filter media arresting device of claim 7 wherein the absolute value of the buoyancy is 80% to 90% of the absolute value of the weight on the filter media.
9. The filter media arresting device of claim 1 wherein the first and second angular baffles are stainless steel tubing.
10. The filter media arresting device of claim 9 wherein the first and second angled baffles are fixed at opposite ends to the inside of the tank wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911343733.4A CN110885107B (en) | 2019-12-24 | 2019-12-24 | Movable filter plate type filter material interception device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911343733.4A CN110885107B (en) | 2019-12-24 | 2019-12-24 | Movable filter plate type filter material interception device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110885107A true CN110885107A (en) | 2020-03-17 |
| CN110885107B CN110885107B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911343733.4A Active CN110885107B (en) | 2019-12-24 | 2019-12-24 | Movable filter plate type filter material interception device |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113072168A (en) * | 2021-04-16 | 2021-07-06 | 安徽三番环保工程有限公司 | Force eliminating grid, cleaning method thereof and biological filtering equipment |
| CN115340174A (en) * | 2022-08-03 | 2022-11-15 | 北京城市排水集团有限责任公司 | Loss prevention device for filter material of biological filter |
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| AT238110B (en) * | 1962-04-14 | 1965-01-25 | Koppers Gmbh Heinrich | Adjustable overflow weir |
| DE4015414A1 (en) * | 1990-05-14 | 1991-11-21 | Vollmar Oskar Gmbh | Combined sewage and rain-water drainage system - has device which prevents outflow of floating matter |
| CN201648097U (en) * | 2010-03-22 | 2010-11-24 | 天津大港油田科远石油工程有限责任公司 | Aeration biofilter |
| CN203200069U (en) * | 2013-04-07 | 2013-09-18 | 扬州兄弟环境保护设备工程有限公司 | Water decanter |
| CN105585105A (en) * | 2015-11-27 | 2016-05-18 | 贝尔芬格水处理技术（杭州）有限公司 | Suspended bio-filter bed and jet-type flushing method thereof |
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| CN108101193A (en) * | 2018-01-29 | 2018-06-01 | 北京城市排水集团有限责任公司 | A kind of filtrate blocking apparatus and its application method for sewage disposal |
| CN109231446A (en) * | 2018-10-11 | 2019-01-18 | 北京城市排水集团有限责任公司 | A kind of anti-filtrate leakage device of denitrification bio-filter and its operation method |
| CN208843745U (en) * | 2018-04-27 | 2019-05-10 | 张凤菊 | A kind for the treatment of tank |
| CN211920935U (en) * | 2019-12-24 | 2020-11-13 | 北京城市排水集团有限责任公司 | Movable filter plate type filter material intercepting device |
-
2019
- 2019-12-24 CN CN201911343733.4A patent/CN110885107B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT238110B (en) * | 1962-04-14 | 1965-01-25 | Koppers Gmbh Heinrich | Adjustable overflow weir |
| DE4015414A1 (en) * | 1990-05-14 | 1991-11-21 | Vollmar Oskar Gmbh | Combined sewage and rain-water drainage system - has device which prevents outflow of floating matter |
| CN201648097U (en) * | 2010-03-22 | 2010-11-24 | 天津大港油田科远石油工程有限责任公司 | Aeration biofilter |
| CN203200069U (en) * | 2013-04-07 | 2013-09-18 | 扬州兄弟环境保护设备工程有限公司 | Water decanter |
| CN105585105A (en) * | 2015-11-27 | 2016-05-18 | 贝尔芬格水处理技术（杭州）有限公司 | Suspended bio-filter bed and jet-type flushing method thereof |
| CN205598717U (en) * | 2016-04-06 | 2016-09-28 | 深圳市清泉水业股份有限公司 | Turn over board filtering pond with sweep and wash function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113072168A (en) * | 2021-04-16 | 2021-07-06 | 安徽三番环保工程有限公司 | Force eliminating grid, cleaning method thereof and biological filtering equipment |
| CN115340174A (en) * | 2022-08-03 | 2022-11-15 | 北京城市排水集团有限责任公司 | Loss prevention device for filter material of biological filter |
| CN115340174B (en) * | 2022-08-03 | 2024-04-12 | 北京城市排水集团有限责任公司 | Filter material loss prevention device of biological filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110885107B (en) | 2024-04-30 |
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