CN117401750B - Multistage filtering device for sewage treatment - Google Patents
Multistage filtering device for sewage treatment Download PDFInfo
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- CN117401750B CN117401750B CN202311699949.0A CN202311699949A CN117401750B CN 117401750 B CN117401750 B CN 117401750B CN 202311699949 A CN202311699949 A CN 202311699949A CN 117401750 B CN117401750 B CN 117401750B
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- Prior art keywords
- treatment tank
- filter screen
- pipeline
- filter
- inlet pipe
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- 239000010865 sewage Substances 0.000 title claims abstract description 67
- 238000001914 filtration Methods 0.000 title claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 92
- 239000012535 impurity Substances 0.000 claims abstract description 15
- 239000011859 microparticle Substances 0.000 claims abstract description 11
- 238000005192 partition Methods 0.000 claims description 14
- 239000012528 membrane Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000010802 sludge Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 239000002985 plastic film Substances 0.000 description 4
- 229920006255 plastic film Polymers 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
- B01D24/16—Upward filtration
- B01D24/165—Upward filtration the filtering material being supported by pervious surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a multistage filtering device for sewage treatment, which relates to the field of multistage filtering devices and comprises a water pump, a first treatment tank and a second treatment tank, wherein the water pump is provided with a first pipeline and a second pipeline, the first treatment tank is provided with a first water inlet pipe and a first water outlet pipe, the second treatment tank is provided with a second water inlet pipe and a second water outlet pipe, the first pipeline is connected with an external sewage source, the second pipeline is connected with the first water inlet pipe, a first stage filtering mechanism is arranged in the first treatment tank, and a second stage filtering mechanism is arranged in the second treatment tank. According to the invention, the primary filtering mechanism improves the service life of the filtering layer by combining reverse filtering with pressurized maintenance, ensures the filtering effect and reduces the use cost; the secondary filtering mechanism can filter out micro-particle impurities contained in the sewage.
Description
Technical Field
The invention relates to the field of multi-stage filtering devices, in particular to a multi-stage filtering device for sewage treatment.
Background
The water treatment filter is a key technology and a product of water resource purification treatment, and plays an irreplaceable important role in the wide application field; especially for sewage treatment, the pollution to the environment can be reduced.
In the prior art, when sewage is filtered in sewage treatment equipment, the sewage is filtered through a plurality of stages of filter elements in sequence, so that the purpose of multi-stage filtration is realized, but the filter elements are particularly easy to be blocked by a large amount of sundries such as sludge, the service life is short, the sewage needs to be replaced or cleaned regularly, and the sewage treatment cost is high. Therefore, it is necessary to provide a multi-stage filtration device for sewage treatment to solve the above problems.
Disclosure of Invention
The invention aims to provide a multi-stage filtering device for sewage treatment, which aims to solve the problems that in the prior art, sewage is filtered through a multi-stage filter element in sequence when the sewage is filtered in sewage treatment equipment, the filter element is particularly easy to be blocked by a large amount of impurities such as sludge, the service life is short, regular replacement or cleaning is needed, and the sewage treatment cost is high.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a multistage filter device for sewage treatment, includes water pump, first treatment tank and second treatment tank, the water pump has first pipeline and second pipeline, first treatment tank has first inlet tube and first outlet pipe, second treatment tank has second inlet tube and second outlet pipe, first pipeline is connected with outside sewage source, connect between second pipeline and the first inlet tube, connect between first outlet pipe and the second inlet tube, first inlet tube, second inlet tube are located the upper end of first treatment tank and second treatment tank respectively, first outlet pipe, second outlet pipe are located the lower extreme of first treatment tank and second treatment tank respectively, the inside of first treatment tank is provided with first order filter mechanism, the inside of second treatment tank is provided with second order filter mechanism;
the first-stage filtering mechanism comprises a first filter screen, a filter layer, a second filter screen and a partition plate, wherein the first filter screen, the filter layer, the second filter screen and the partition plate are sequentially arranged inside a first treatment tank from top to bottom, the first filter screen and the second filter screen are respectively movably attached to the upper surface and the lower surface of the filter layer, the upper end of the first treatment tank is internally divided into a cache cavity by the first filter screen, a storage cavity is formed between the second filter screen and the partition plate, the lower end of the first treatment tank is internally divided into a discharge cavity by the partition plate, a first water inlet pipe is communicated with a first inner pipeline which is arranged at the position inside the first treatment tank in a communicating manner, the first inner pipeline simultaneously penetrates through the first filter screen, the filter layer and the second filter screen and stretches into the storage cavity, the second inner pipeline is simultaneously penetrated through the filter layer, the second filter screen and the partition plate and stretches into the inside of the discharge cavity, and the upper end of the second inner pipeline is communicated with the cache cavity.
Preferably, the secondary filtering mechanism comprises a plurality of filtering boxes, the filtering boxes are fixedly connected to one side inner wall of the second processing tank, a gas circulation gap is formed between the filtering boxes and the other side inner wall of the second processing tank, the second water inlet pipe is communicated with a third inner pipeline arranged at the position inside the second processing tank, and the third inner pipeline and the filtering boxes are arranged from top to bottom.
Preferably, the filter box is rectangular box body structure, and the bottom surface of filter box is provided with the through-hole, the through-hole is provided with a plurality of, and a plurality of through-holes are the equidistance setting, and the through-hole runs through the lower surface of filter box, the laminating of the bottom upper surface of filter box is provided with filtering membrane structure.
Preferably, the upper ends of the first treatment tank and the second treatment tank are both provided with a cover body which can be opened and closed, the cover body is provided with a pressurizing pipeline, the pressurizing pipeline is communicated with the inside of the corresponding first treatment tank or second treatment tank, and the pressurizing pipeline is provided with a pressure gauge.
Preferably, a first pressure sensor and a second pressure sensor are respectively installed on the inner walls of the first treatment tank and the second treatment tank, the first pressure sensor is located in the buffer cavity, and a pressure gauge is further arranged on the pressurizing pipeline.
Preferably, the first water outlet pipe is connected with the second water inlet pipe through a connecting pipe, the connecting pipe is connected with the second water inlet pipe and the first water outlet pipe, the connecting pipe is connected with the second water inlet pipe, and the connecting pipe is connected with the first water inlet pipe.
Preferably, the second water outlet pipe is provided with a second valve, and the first pipeline is provided with a first valve.
Preferably, the water pump, the first treatment tank and the second treatment tank are integrally arranged on the movable sweep, the bottom of the movable sweep is provided with a movable wheel, one side of the upper end of the movable sweep is provided with a pushing handle, the bottom of the water pump is provided with a water pump supporting frame which is supported on the upper surface of the movable sweep, the bottoms of the first treatment tank and the second treatment tank are fixedly connected with tank supporting feet, and the tank supporting feet are supported and fixed on the upper surface of the movable sweep.
Preferably, the pressurizing pipeline is communicated with an air pump, and the air pump is connected with a clean gas source.
Preferably, the first filter screen, the filter layer, the second filter screen and the partition plate are detachably arranged in the first treatment tank.
The invention has the technical effects and advantages that:
1. according to the invention, the primary filtering mechanism improves the service life of the filtering layer by combining reverse filtering with pressurized maintenance, ensures the filtering effect and reduces the use cost;
2. the secondary filtering mechanism can filter micro-particle impurities contained in the sewage;
3. the movable sweep plate is movable, and is convenient to move to a sewage source position to treat sewage, so that the sewage is not required to be conveyed to a designated position for treatment, the cost of sewage treatment is saved, the treatment efficiency of a filter layer is improved by combining reverse filtration with pressurized maintenance, a relatively large amount of sewage can be treated by a small device, and the volume of the device is reduced under the condition of the same treatment capacity;
4. the pressurization pipeline is connected with the air pump, and the air pump is connected with clean gas source, and clean gas source usable air, clean air storage in the gas pitcher can, avoid unclean gas to cause secondary pollution to sewage, if: microorganism breeding and the like.
Drawings
FIG. 1 is a schematic view of a multi-stage filtration device for sewage treatment according to the present invention.
FIG. 2 is a schematic view of another view angle structure of the multi-stage filtration device for sewage treatment according to the present invention.
FIG. 3 is a sectional view of a multistage filtration apparatus for sewage treatment according to the present invention.
Fig. 4 is an enlarged schematic view of the structure a in fig. 3 according to the present invention.
In the figure: 1. a water pump; 2. a first treatment tank; 3. a second treatment tank; 4. a first pipe; 5. a first valve; 6. a second pipe; 7. a first water inlet pipe; 8. a first water outlet pipe; 9. a connecting pipe; 10. a second water inlet pipe; 11. a second water outlet pipe; 12. a second valve; 13. a cover body; 14. a pressurized conduit; 15. a pressure gauge; 16. a third valve; 17. the tank body supports the feet; 18. moving the vehicle plate; 19. a water pump support frame; 20. a moving wheel; 21. pushing hands; 22. a first pressure sensor; 23. a first filter screen; 24. a filter layer; 25. a second filter screen; 26. a first inner pipe; 27. a storage chamber; 28. a partition plate; 29. a discharge chamber; 30. a buffer cavity; 31. a second inner pipe; 32. a second pressure sensor; 33. a filter box; 34. a gas flow gap; 35. a filtering membrane structure; 36. a through hole; 37. and a third inner pipe.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a multi-stage filtering device for sewage treatment, which is shown in fig. 1-4, and comprises a water pump 1, a first treatment tank 2 and a second treatment tank 3, wherein the water pump 1 is provided with a first pipeline 4 and a second pipeline 6, the first treatment tank 2 is provided with a first water inlet pipe 7 and a first water outlet pipe 8, the second treatment tank 3 is provided with a second water inlet pipe 10 and a second water outlet pipe 11, the first pipeline 4 is connected with an external sewage source, the second pipeline 6 is connected with the first water inlet pipe 7, the first water outlet pipe 8 is connected with the second water inlet pipe 10, the first water inlet pipe 7 and the second water inlet pipe 10 are respectively positioned at the upper ends of the first treatment tank 2 and the second treatment tank 3, the first water outlet pipe 8 and the second water outlet pipe 11 are respectively positioned at the lower ends of the first treatment tank 2 and the second treatment tank 3, when sewage is treated, the water pump 1 is started firstly, the sewage in the sewage source is pumped into the first treatment tank 2 through the second pipeline 6 and the first water inlet pipe 7, filtered in the first treatment tank 2, then is sequentially discharged into the second treatment tank 3 through the first water outlet pipe 8 and the second water inlet pipe 10, and finally discharged from the second water outlet pipe 11.
In order to solve the problems that in the prior art, when sewage is filtered in sewage treatment equipment, the sewage is filtered through a plurality of stages of filter elements in sequence, so that the purpose of multi-stage filtration is realized, but the filter elements are particularly easy to be blocked by a large amount of sundries such as sludge, the service life is short, periodic replacement or cleaning is needed, and the cost of sewage treatment is high, the first-stage filter mechanism is arranged in the first treatment tank 2.
The specific structure of the first-stage filtering mechanism comprises a first filter screen 23, a filter layer 24, a second filter screen 25 and a partition plate 28, wherein the first filter screen 23, the filter layer 24, the second filter screen 25 and the partition plate 28 are sequentially arranged in the first processing tank 2 from top to bottom, the first filter screen 23 and the second filter screen 25 are respectively movably attached to the upper surface and the lower surface of the filter layer 24, the upper end of the first processing tank 2 is internally divided into a buffer cavity 30 by the first filter screen 23, a storage cavity 27 is formed between the second filter screen 25 and the partition plate 28, the lower end of the first processing tank 2 is internally divided into a discharge cavity 29 by the partition plate 28, a first water inlet pipe 7 is communicated with the first inner pipeline 26 at the position inside the first processing tank 2, the first inner pipeline 26 simultaneously penetrates through the first filter screen 23, the filter layer 24 and the second filter screen 25 and stretches into the storage cavity 27, a second inner pipeline 31 is arranged on the first filter screen 23, the second inner pipeline 31 simultaneously penetrates through the filter layer 24, the second filter screen 25 and the partition plate 28 and stretches into the inner part of the discharge cavity 29, and the upper end of the second inner pipeline 31 is communicated with the buffer cavity 30.
The working principle of the reverse filtration is as follows: the sewage discharged through the first water inlet pipe 7 firstly enters the storage cavity 27 after passing through the first inner pipeline 26, and the lower end of the storage cavity 27 is blocked by the baffle 28, so that the sewage in the storage cavity 27 can only permeate upwards, and the sewage upwards passes through the second filter screen 25, the filter layer 24 and the first filter screen 23 in sequence and then enters the buffer cavity 30, and impurities such as sludge in the sewage can be preferentially stored in the storage cavity 27 without blocking the second filter screen 25, the filter layer 24 and the first filter screen 23 after being filtered by the second filter screen 25, the filter layer 24 and the first filter screen 23 due to gravity, so that the service lives of the second filter screen 25, the filter layer 24 and the first filter screen 23 are prolonged, and the filtering effect of the sewage is ensured.
The working principle of the pressurizing maintenance is as follows: the buffer cavity 30 is inflated and pressurized, the filtered sewage in the buffer cavity 30 can be discharged from the first water outlet pipe 8 after being discharged into the discharge cavity 29 through the second inner pipeline 31, and because the buffer cavity 30 has certain gas pressure, the gas pressure can be pressed downwards, namely impurities such as sludge blocked or adhered on the second filter screen 25, the filter layer 24 and the first filter screen 23 can be separated downwards into the storage cavity 27, the purpose of automatically cleaning and maintaining the second filter screen 25, the filter layer 24 and the first filter screen 23 during sewage filtering is realized, and the service lives of the second filter screen 25, the filter layer 24 and the first filter screen 23 are prolonged.
It should be noted that the filter layer 24 may use a composite filter layer structure such as a PP cotton layer and an activated carbon filter layer, which is a conventional common filter structure and will not be described herein.
The sewage entering the second treatment tank 3 is filtered to remove large-particle impurities, sludge and other substances, and is clean, but still has a certain amount of micro-particle impurities, so that a secondary filtering mechanism is arranged inside the second treatment tank 3 and can filter the micro-particle impurities contained in the sewage, and the specific particle size of the micro-particle impurities is 0.001-0.01um.
The specific structure of the secondary filtering mechanism comprises a plurality of filtering boxes 33, wherein the filtering boxes 33 are fixedly connected to the inner wall of one side of the second processing tank 3, a gas circulation gap 34 is formed between the filtering boxes 33 and the inner wall of the other side of the second processing tank 3, a third inner pipeline 37 is communicated with the position, communicated with the inside of the second processing tank 3, of the second water inlet pipe 10, and the third inner pipeline 37 and the filtering boxes 33 are arranged from top to bottom; the filter box 33 is rectangular box body structure, and the bottom surface of filter box 33 is provided with through-hole 36, and through-hole 36 is provided with a plurality of, and a plurality of through-holes 36 are the equidistance setting, and the through-hole 36 runs through the lower surface of filter box 33, and the laminating of the bottom upper surface of filter box 33 is provided with filtration membrane structure 35.
The specific principle of the secondary filtering mechanism for filtering the micro-particle impurities is as follows: the second treatment tank 3 is inflated and pressurized, so that a certain pressure is provided in the second treatment tank 3, sewage entering the third inner pipeline 37 through the second water inlet pipe 10 can be discharged into the filter box 33, micropores on the surface of the filter membrane structure 35 are expanded and opened under the action of the pressure, water passes through the filter box 33, the particle size of the micro-particle impurities is larger than the diameter of the micropores, the micro-particle impurities are filtered in the filter box 33, and the water is filtered by the plurality of filter membrane structures 35 and the through holes 36 in sequence to form cleaner water to be discharged from the second water outlet pipe 11.
It should be noted that, the filtering membrane structure 35 may use a plastic film, a polymer plastic film, etc., when the sewage does not pass through the plastic film under normal pressure, micropores on the surface of the plastic film are opened to a certain extent under the action of high pressure, so that clean water is discharged from the micropores, and the purpose of filtering out the micro-particle impurities is achieved.
The upper ends of the first treatment tank 2 and the second treatment tank 3 are both provided with a cover 13 which can be opened and closed, the cover 13 is provided with a pressurizing pipeline 14, the pressurizing pipeline 14 is communicated with the inside of the corresponding first treatment tank 2 or second treatment tank 3, the pressurizing pipeline 14 is provided with a pressure gauge 15, the pressurizing pipeline 14 is connected with an air pump which can charge air in the first treatment tank 2 or the second treatment tank 3 for pressurizing, the third valve 16 can control the switch of the pressurizing pipeline 14, the pressure gauge 15 is used for monitoring the air pressure flowing through the pressurizing pipeline 14, and the filter membrane structure 35 is prevented from being broken due to the excessively rapid increase of the air pressure or the filter layer 24 is prevented from being damaged due to the excessively rapid air pressure impact.
The first pressure sensor 22 and the second pressure sensor 32 are respectively installed on the inner walls of the first processing tank 2 and the second processing tank 3, the first pressure sensor 22 is located in the buffer cavity 30, the pressure meter 15 is further arranged on the pressurizing pipeline 14, and the first pressure sensor 22 and the second pressure sensor 32 are respectively used for monitoring the gas pressure in the first processing tank 2 and the second processing tank 3, so that adjustment and control are convenient.
The first water outlet pipe 8 is connected with the second water inlet pipe 10 through the connecting pipe 9, the connecting pipe 9 is connected with the second water inlet pipe 10, the positions connected with the first water outlet pipe 8 are all connected with the clamp, the positions connected with the second pipeline 6 and the first water inlet pipe 7 are also provided with the clamp, and the pipelines are connected in a detachable mode, so that the water outlet pipe is convenient to use.
The second water outlet pipe 11 is provided with a second valve 12, and the first pipeline 4 is provided with a first valve 5, so that the opening and closing of the pipelines can be controlled conveniently.
In the prior art, the sewage treatment equipment is generally large in size and is generally fixed equipment such as a sewage treatment tank fixedly arranged on the ground and in a treatment room, when sewage is treated, the sewage needs to be conveyed to the equipment for treatment, if the sewage source is far, the cost is obviously high, therefore, the water pump 1, the first treatment tank 2 and the second treatment tank 3 are integrally arranged on the movable sweep plate 18, the movable wheel 20 is arranged at the bottom of the movable sweep plate 18, the pushing handle 21 is arranged at one side of the upper end of the movable sweep plate 18, the water pump support frame 19 supported on the upper surface of the movable sweep plate 18 is arranged at the bottom of the water pump 1, the tank body support legs 17 are fixedly connected to the bottoms of the first treatment tank 2 and the second treatment tank 3, and the movable sweep plate 18 can be moved to the sewage source position for treatment conveniently, so that the sewage does not need to be conveyed to the appointed position for treatment, the cost of sewage treatment is saved, the treatment efficiency of the filter layer 24 is improved by combining reverse filtration with the pressurization maintenance, and the corresponding small-sized sewage treatment device is also greatly reduced in volume under the same condition.
The pressurization pipeline 14 is communicated with the air pump, the air pump is connected with a clean gas source, the clean gas source can use air, the clean air is stored in the air tank, and secondary pollution caused by unclean gas to sewage is avoided, for example: microorganism breeding and the like.
The first filter screen 23, the filter layer 24, the second filter screen 25 and the partition plate 28 are detachably arranged in the first treatment tank 2, so that regular dismantling and cleaning are facilitated.
Claims (6)
1. The utility model provides a sewage treatment is with multistage filter device, includes water pump (1), first treatment jar (2) and second treatment jar (3), its characterized in that: the water pump (1) is provided with a first pipeline (4) and a second pipeline (6), the first treatment tank (2) is provided with a first water inlet pipe (7) and a first water outlet pipe (8), the second treatment tank (3) is provided with a second water inlet pipe (10) and a second water outlet pipe (11), the first pipeline (4) is connected with an external sewage source, the second pipeline (6) is connected with the first water inlet pipe (7), the first water outlet pipe (8) is connected with the second water inlet pipe (10), the first water inlet pipe (7) and the second water inlet pipe (10) are respectively positioned at the upper ends of the first treatment tank (2) and the second treatment tank (3), the first water outlet pipe (8) and the second water outlet pipe (11) are respectively positioned at the lower ends of the first treatment tank (2) and the second treatment tank (3), a primary filtering mechanism is arranged in the first treatment tank (2), and a secondary filtering mechanism is arranged in the second treatment tank (3).
The first-stage filtering mechanism comprises a first filter screen (23), a filter layer (24), a second filter screen (25) and a baffle plate (28), the first filter screen (23), the filter layer (24), the second filter screen (25) and the baffle plate (28) are sequentially arranged in the first treatment tank (2) from top to bottom, the first filter screen (23) and the second filter screen (25) are respectively movably attached to the upper surface and the lower surface of the filter layer (24), the upper end of the first treatment tank (2) is partitioned into a buffer cavity (30) by the first filter screen (23), a storage cavity (27) is formed between the second filter screen (25) and the baffle plate (28), the lower end of the first treatment tank (2) is partitioned into a discharge cavity (29) by the baffle plate (28), a first inner pipeline (26) is arranged at the position of the first water inlet pipe (7) which is communicated with the interior of the first treatment tank (2), the first inner pipeline (26) simultaneously passes through the first filter screen (23), the second filter screen (25) and stretches into the storage cavity (30), the second filter screen (25) simultaneously stretches into the storage cavity (27), the second filter screen (31) stretches into the interior of the first filter screen (31) and stretches out of the second filter screen (31), the upper end of the second inner pipeline (31) is communicated with the buffer cavity (30);
the secondary filtering mechanism comprises a plurality of filtering boxes (33), the filtering boxes (33) are fixedly connected to one side inner wall of the second processing tank (3), a gas circulation gap (34) is formed between the filtering boxes (33) and the other side inner wall of the second processing tank (3), a third inner pipeline (37) is communicated with the position, communicated with the inside of the second processing tank (3), of the second water inlet pipe (10), and the third inner pipeline (37) and the filtering boxes (33) are arranged from top to bottom;
the filter box (33) is of a rectangular box body structure, through holes (36) are formed in the bottom surface of the filter box (33), the through holes (36) are formed in a plurality of mode, the through holes (36) are equidistantly formed, the through holes (36) penetrate through the lower surface of the filter box (33), a filter membrane structure (35) is attached to the upper surface of the bottom of the filter box (33), micropores in the surface of the filter membrane structure (35) are spread and opened under the action of pressure, water passes through, and the particle size of micro-particle impurities is larger than the diameter of the micropores, and the micro-particle impurities are filtered out in the filter box (33);
the upper ends of the first treatment tank (2) and the second treatment tank (3) are provided with cover bodies (13) which can be opened and closed, the cover bodies (13) are provided with pressurizing pipelines (14), and the pressurizing pipelines (14) are communicated with the interiors of the corresponding first treatment tank (2) or second treatment tank (3);
the integrated installation of water pump (1), first processing tank (2), second processing tank (3) is on removing sweep (18), the bottom of removing sweep (18) is provided with removes round (20), the upper end one side of removing sweep (18) is provided with pushing hands (21), the bottom of water pump (1) is provided with water pump support frame (19) of supporting at removing sweep (18) upper surface, the equal fixedly connected with jar body supporting legs (17) of bottom of first processing tank (2) and second processing tank (3), jar body supporting legs (17) support and fix at the upper surface of removing sweep (18).
2. A multi-stage filtration device for sewage treatment according to claim 1, wherein: the inner walls of the first treatment tank (2) and the second treatment tank (3) are respectively provided with a first pressure sensor (22) and a second pressure sensor (32), the first pressure sensor (22) is positioned in the buffer cavity (30), and the pressurizing pipeline (14) is further provided with a pressure gauge (15).
3. A multi-stage filtration device for sewage treatment according to claim 1, wherein: the first water outlet pipe (8) is connected with the second water inlet pipe (10) through a connecting pipe (9), hoops are connected to the connecting pipe (9), the second water inlet pipe (10) and the first water outlet pipe (8), and hoops are also arranged at the connecting position between the second pipeline (6) and the first water inlet pipe (7).
4. A multi-stage filtration device for sewage treatment according to claim 1, wherein: the second water outlet pipe (11) is provided with a second valve (12), and the first pipeline (4) is provided with a first valve (5).
5. A multi-stage filtration device for sewage treatment according to claim 1, wherein: the pressurizing pipeline (14) is communicated with an air pump, and the air pump is connected with a clean gas source.
6. A multi-stage filtration device for sewage treatment according to claim 1, wherein: the first filter screen (23), the filter layer (24), the second filter screen (25) and the partition plate (28) are detachably arranged in the first treatment tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311699949.0A CN117401750B (en) | 2023-12-12 | 2023-12-12 | Multistage filtering device for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311699949.0A CN117401750B (en) | 2023-12-12 | 2023-12-12 | Multistage filtering device for sewage treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117401750A CN117401750A (en) | 2024-01-16 |
| CN117401750B true CN117401750B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311699949.0A Active CN117401750B (en) | 2023-12-12 | 2023-12-12 | Multistage filtering device for sewage treatment |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060066184A (en) * | 2004-12-13 | 2006-06-16 | 박장민 | Filtering apparatus for waste-water treatment |
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| CN202207494U (en) * | 2011-08-19 | 2012-05-02 | 宜兴市瑞诚科技有限公司 | Efficient fiber bundle filter |
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| CN105130130A (en) * | 2015-09-25 | 2015-12-09 | 河海大学 | Bio-purification and photocatalysis duplex sewage treatment tower |
| CN206063921U (en) * | 2016-08-31 | 2017-04-05 | 天津市轻工业设计院 | A kind of waste liquid filtration, purification box |
| CN215102386U (en) * | 2021-07-05 | 2021-12-10 | 江苏荣盛嘉美生物试剂有限公司 | Pure water production equipment with backwashing function |
| CN219489726U (en) * | 2023-03-10 | 2023-08-08 | 中冶南方城市建设工程技术有限公司 | High-efficient biological filter system |
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2023
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|---|---|---|---|---|
| KR20060066184A (en) * | 2004-12-13 | 2006-06-16 | 박장민 | Filtering apparatus for waste-water treatment |
| CN101537273A (en) * | 2009-04-04 | 2009-09-23 | 湖北五瑞生物工程有限公司 | Fully sealed plate vane-type purification filter |
| CN102755771A (en) * | 2011-04-26 | 2012-10-31 | 吉林市天源环保工程有限公司 | Multi-stage variable-porosity fiber filter bed and filtering equipment |
| CN202207494U (en) * | 2011-08-19 | 2012-05-02 | 宜兴市瑞诚科技有限公司 | Efficient fiber bundle filter |
| CN105130130A (en) * | 2015-09-25 | 2015-12-09 | 河海大学 | Bio-purification and photocatalysis duplex sewage treatment tower |
| CN206063921U (en) * | 2016-08-31 | 2017-04-05 | 天津市轻工业设计院 | A kind of waste liquid filtration, purification box |
| CN215102386U (en) * | 2021-07-05 | 2021-12-10 | 江苏荣盛嘉美生物试剂有限公司 | Pure water production equipment with backwashing function |
| CN219489726U (en) * | 2023-03-10 | 2023-08-08 | 中冶南方城市建设工程技术有限公司 | High-efficient biological filter system |
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|---|---|
| CN117401750A (en) | 2024-01-16 |
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