CN115364565B - Papermaking wastewater treatment device and treatment method thereof - Google Patents
Papermaking wastewater treatment device and treatment method thereof Download PDFInfo
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- CN115364565B CN115364565B CN202210995090.7A CN202210995090A CN115364565B CN 115364565 B CN115364565 B CN 115364565B CN 202210995090 A CN202210995090 A CN 202210995090A CN 115364565 B CN115364565 B CN 115364565B
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004065 wastewater treatment Methods 0.000 title claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 239000012535 impurity Substances 0.000 claims abstract description 68
- 239000002351 wastewater Substances 0.000 claims abstract description 56
- 238000001914 filtration Methods 0.000 claims abstract description 43
- 230000000903 blocking effect Effects 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims description 64
- 230000000712 assembly Effects 0.000 claims description 18
- 238000000429 assembly Methods 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000835 fiber Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/465—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element take-off rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
- B01D33/41—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/72—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
- C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
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- 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)
Abstract
The application discloses a treatment device and a treatment method of papermaking wastewater, and relates to the field of papermaking, wherein the treatment device comprises a water collecting tank for collecting wastewater, a water pipe arranged on the water collecting tank for conveying the wastewater, and a plurality of filtering components arranged on the inner wall of the water collecting tank and positioned above the water level in the water collecting tank; the filtering assembly comprises two rotating rollers which are rotatably connected to the inner wall of the water collecting tank, and comprises a plurality of conveying chains which surround the two rotating rollers and drive the two rotating rollers to synchronously rotate, and a filtering net which is fixed on the conveying chains and is used for filtering wastewater; the water delivery pipe is positioned above the plurality of filtering components, and the water collection tank is provided with a water outlet pipe positioned below the plurality of filtering components; the water collection tank is also provided with a driving device for driving the filter assembly to move and a collecting device for collecting impurities falling from the filter screen. The application has the effect of reducing the possibility of blocking the filter device.
Description
Technical Field
The invention relates to the field of paper manufacture, in particular to a treatment device and a treatment method for papermaking wastewater.
Background
In the papermaking process flow, a large amount of water resources are needed, a large amount of discharged wastewater is required to be subjected to chemical reaction, so that flocculent precipitation is generated by impurities in the wastewater, and a large amount of fibers exist in the wastewater, so that the fibers and floccules are required to be filtered through a multi-layer filtering system.
In the related art, due to the existence of a large amount of fibers and floccules, in the filtering process, the filtering device is easy to be blocked, and workers need to clean the filtering device frequently, so that the working efficiency is inconvenient to improve.
Disclosure of Invention
In order to reduce the possibility of blocking a filtering device, the application provides a papermaking wastewater treatment device and a papermaking wastewater treatment method.
The application provides a treatment device and a treatment method of papermaking wastewater, wherein the treatment device and the treatment method of the papermaking wastewater adopt the following technical scheme:
A papermaking wastewater treatment device comprises a water collection tank for collecting wastewater, a water pipe arranged on the water collection tank for conveying the wastewater, and a plurality of filtering components arranged on the inner wall of the water collection tank and positioned above the water level in the water collection tank; the filtering assembly comprises two rotating rollers which are rotatably connected to the inner wall of the water collecting tank, and comprises a plurality of conveying chains which surround the two rotating rollers and drive the two rotating rollers to synchronously rotate, and a filtering net which is fixed on the conveying chains and is used for filtering wastewater; the water delivery pipe is positioned above the plurality of filtering components, and the water collection tank is provided with a water outlet pipe positioned below the plurality of filtering components; the water collection tank is also provided with a driving device for driving the filter assembly to move and a collecting device for collecting impurities falling from the filter screen.
By adopting the technical scheme, the staff inputs the wastewater into the water collecting tank through the water delivery pipe, and the wastewater passes through the plurality of filtering components, enters the lower part of the filtering components and flows out through the water outlet pipe; in the process, the wastewater is filtered through a plurality of layers of filter screens, and impurities accumulated on the filter screens can enter a collecting device; in the process of downwards filtering the wastewater, some impurities in the wastewater can be attached to the outer side of the filter screen, and when the filter screen positioned at the upper section in the same filter assembly moves downwards along with the movement of the filter screen, the blocked mesh can be washed away by the wastewater, so that the blocking effect of the filter screen is reduced; when impurities in the wastewater are attached to the inner side of the filter screen, the filter screen positioned at the lower section in the same filter assembly can be flushed by the wastewater when moving to the upper side, so that the possibility of blocking the filter screen is reduced.
Optionally, the plurality of filtering components are arranged along the vertical direction, and impurity outlets which are in one-to-one correspondence with the filtering components are formed in the side wall of the water collecting tank; the rotating rollers are horizontally arranged, the rotating rollers in the same filter assembly are vertically staggered, so that the movement direction of the filter screen is inclined, the movement inclination directions of the filter screens in the adjacent filter assemblies are opposite, and the movement direction of the upper section of the same filter screen is from low to high; the impurity outlet is positioned at the highest end of the corresponding filter component and close to the side wall of the water collection tank; the water delivery pipe is positioned above the lowest part of the filter assembly.
By adopting the technical scheme, the water pipe falls the wastewater at the bottommost end of the uppermost filtering component, the filtering path is increased along with the continuous climbing of the filter screen, and impurities are driven to be transported to the impurity outlet, and the impurities are transported into the collecting device through the impurity outlet; the wastewater passes through a plurality of filter screens to realize multiple filtration, so that impurities in the wastewater are cleaned up as much as possible; and the filter screen is inclined, so that the waste water is reduced to directly flow out of the impurity outlet.
Optionally, the mesh diameters of the filter screens located in different filter assemblies gradually decrease from top to bottom.
By adopting the technical scheme, the impurity is cleaned, filtered and transported step by step.
Optionally, a plurality of clearance mouths that are used for clearing up the inside impurity of filter screen are offered to the header tank lateral wall, clearance mouthful and filter component one-to-one, and clearance mouthful inner wall rotates and is connected with the clearance door that is used for closed clearance mouthful.
Through adopting above-mentioned technical scheme, when the inside impurity of filter screen is too much, can open the clearance door, realize the clearance to the filter screen inside.
Optionally, the water collection tank is further provided with a plurality of cleaning water pipes for reducing the blocking possibility of the filter screen, the cleaning water pipes are provided with a plurality of spray heads, and the cleaning water pipes are positioned in the filter screen; the spray heads are downward.
By adopting the technical scheme, the filter screen can be further reduced from being blocked by using the cleaning water pipe and the spray head.
Optionally, the filter screen extends out of the water collection tank through the impurity outlet; the outer side wall of the water collection tank is provided with a plurality of cleaning rollers for cleaning the filter screen, and the cleaning rollers correspond to the filter components one by one; the cleaning roller is provided with a cleaning brush.
Through adopting above-mentioned technical scheme, after impurity is transported to impurity export by the filter screen, in order to reduce impurity and adhere to on the filter screen, lead to the impurity to get back to the possibility in the header tank again along the filter screen, consequently be provided with clearance roller and brush, clean the impurity that is located on the filter screen into collection device.
Optionally, the driving device comprises a plurality of driving motors fixed on the side wall of the water collection tank, and the output shafts of the driving motors are fixed on one rotating roller in the same filtering assembly; the driving device also comprises a connecting piece for realizing synchronous movement of the cleaning roller and the corresponding rotating roller.
Through adopting above-mentioned technical scheme, driving motor drive corresponds filter assembly's live-rollers motion, realizes the motion of filter screen, when rotating mixed rotation, realizes the synchronous motion with the cleaning roller through the connecting piece.
Optionally, the connecting piece includes a connecting gear fixed on one of the rotating roller and the cleaning roller of the same filter assembly, and the connecting gear on the rotating roller is meshed with a connecting gear on the corresponding cleaning roller.
Through adopting above-mentioned technical scheme, when driving motor drive live-rollers pivoted, the connecting gear on the live-rollers will rotate, and the connecting gear on the live-rollers rotates and can drive the connecting gear on the corresponding cleaning roller and rotate, and then the rotation of cleaning roller.
Optionally, the collecting device comprises a collecting box, a conveying channel arranged between the collecting box and the impurity outlet, and a conveying pipe arranged between the collecting box and the collecting box, wherein a mesh screen and a one-way valve allowing wastewater to flow from the collecting box to the collecting box are arranged in the conveying pipe; the mesh screen is located at the port where the transport tube is connected to the collection box.
Through adopting above-mentioned technical scheme, the collecting box also can exist waste water, and waste water can be layered with impurity after standing, can use the transportation pipe to the header tank input this moment in, improves the utilization ratio of waste water.
Optionally, the wastewater enters a plurality of filtering components through a water delivery pipe; impurities enter the collecting box through the rotation of the filter screen; the waste water in the collecting box can enter the water collecting box through the conveying pipe; the filtered wastewater in the water collecting tank is discharged through the water outlet pipe.
By adopting the technical scheme, the utilization rate of the wastewater is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
The filtering to the waste water is realized through the filter screen, so that the filter screen can continuously clean the meshes of the filter screen by means of the impulsive force of the waste water in the rotating process, and the possibility of blockage is reduced.
Impurities located on the filter screen will pass through the cleaning roller and sweep the impurities into the collection box.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present application.
Fig. 2 is a schematic view of the overall structure of another view of the present application.
Fig. 3 is an internal cross-sectional view of the header tank.
FIG. 4 shows the connection between the cleaning roll and the filter screen.
Reference numerals illustrate:
1. A water collection tank; 2. a water pipe; 3. a filter assembly; 4. a rotating roller; 5. a conveyor chain; 6. a filter screen; 7. a water outlet pipe; 8. a driving device; 9. a collecting device; 10. an impurity outlet; 11. cleaning a water pipe; 12. a spray head; 13. a cleaning roller; 14. cleaning a hairbrush; 15. a driving motor; 16. a connecting piece; 17. a connecting gear; 18. a collection box; 19. a transport tube; 20. a mesh screen; 21. a one-way valve; 22. cleaning the mouth; 23. cleaning a door; 24. and a conveyor path.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
The embodiment of the application discloses a treatment device and a treatment method of papermaking wastewater. Referring to fig. 1 and 2, the apparatus includes a water collection tank 1 for collecting wastewater, the opening of the water collection tank 1 faces upward, a water pipe 2 for outputting wastewater is provided on the water collection tank 1, and a plurality of filter assemblies 3 for achieving a filtering effect are provided on the water collection tank 1; the water delivery pipe 2 is positioned above the plurality of filter assemblies 3, the water collection tank 1 is provided with a water outlet pipe 7 positioned below the plurality of filter assemblies 3, and the water outlet pipe 7 is communicated with the internal cavity of the water collection tank 1, so that wastewater after passing through the plurality of filter assemblies 3 flows out from the water outlet pipe 7; the water collection tank 1 is provided with a driving device 8 for driving the filter assembly 3 to move and a collecting device 9 for collecting impurities on the filter assembly 3.
Referring to fig. 1 and 3, the filter assembly 3 includes two rotating rollers 4 rotatably connected to the inner wall of the water collection tank 1, the axes of the rotating rollers 4 are horizontally arranged, and the axes of all the rotating rollers 4 are parallel; the filter assembly 3 comprises a plurality of conveying chains 5 which surround the two rotating rollers 4 and realize synchronous movement of the two rotating rollers 4, and the connection between the conveying chains 5 and the rotating rollers 4 can be realized through gears; the filter assembly 3 further comprises a filter screen 6 adhered to the plurality of conveying chains 5, and the filter screen 6 also surrounds the two rotating rollers 4; rotation of the rotating roller 4 will drive the movement of the conveyor chain 5, and movement of the conveyor chain 5 will drive movement of the filter screen 6.
In the downward filtering process of the wastewater, some impurities in the wastewater can be attached to the filter screen 6 to cause blockage, but when the filter screen 6 moves continuously, the wastewater can be washed away continuously towards the filter screen 6, so that the possibility that the impurities block the filter screen 6 is reduced.
Referring to fig. 3, two rotating rollers 4 in the same filter assembly 3 are arranged in a vertically staggered manner, so that the conveying direction of the filter screen 6 is obliquely arranged; the filter assemblies 3 are arranged at intervals along the vertical direction, and the transportation inclination directions of the adjacent filter screens 6 are opposite, namely when one filter screen 6 is seen from the same horizontal direction, the adjacent filter screen 6 is from high to low; the filter screen 6 always keeps transporting the impurities from low to high, so that the filtering path and time of the impurities are increased, and the filtering efficiency is improved; the side wall of the water collection tank 1 is provided with cleaning ports 22 which are in one-to-one correspondence with the filter assemblies 3, the cleaning ports 23 are positioned at one end along the axial direction of the rotating roller 4, impurities possibly stay in the filter screen 6 and are not easy to clean, so that the impurities are accumulated, and workers can clean the impurities in the filter screen 6 through the cleaning ports 22; the cleaning opening 22 is rotatably connected to a cleaning door 23 for closing the cleaning opening 22.
Referring to fig. 1 and 3, a plurality of impurity outlets 10 for allowing impurities on the filter screen 6 to enter the collecting device 9 are formed in the side wall of the water collecting tank 1, and the impurity outlets 10 are in one-to-one correspondence with the filter assemblies 3; the impurity outlet 10 is located the one end along the transportation direction of filter screen 6, and impurity outlet 10 is located the lateral wall that corresponds filter module 3 highest end and be close to header tank 1, and filter screen 6 passes through impurity outlet 10 to header tank 1 outside extension for the impurity can fall into collection device 9 better.
Referring to fig. 1 and 3, the filter screen 6 in the plurality of filter assemblies 3 is gradually reduced from top to bottom, and the effect of step-by-step filtration is realized.
Referring to fig. 3 and 4, in order to further reduce the possibility of clogging of the filter screen 6, a cleaning water pipe 11 for washing the filter screen 6 is fastened to the water collection tank 1 by bolts, the cleaning water pipe 11 being located inside the filter screen 6, i.e., the filter screen 6 surrounds the cleaning water pipe 11; the cleaning water pipe 11 is connected with a spray head 12 for spraying water through threads, the spray head 12 faces downwards, and the possibility that impurities block the spray head 12 is reduced; the filter screen 6 is further cleaned through the spray head 12, so that impurities in the filter screen 6 can be washed out, and the cleaning workload of workers is reduced.
Referring to fig. 3, a cleaning roller 13 for cleaning impurities is rotatably connected to the outer side wall of the water collection tank 1, and the cleaning roller 13 is positioned at the impurity outlet 10 and above the corresponding filter screen 6; the pivot of cleaning roller 13 is parallel to the pivot of rotor roller 4, and the lateral wall of cleaning roller 13 still bonds has cleaning brush 14, and cleaning brush 14 contacts filter screen 6, on the one hand sweeps into collection device 9 with impurity, on the other hand reduces the possibility that filter screen 6 blockked up.
Referring to fig. 1 and 2, the driving device 8 comprises a plurality of driving motors 15 fixed on the outer side wall of the water collection tank 1 through bolts, the driving motors 15 are in one-to-one correspondence with the filter assemblies 3, and output shafts of the driving motors 15 are welded on the end faces of one rotating roller 4 of the filter assemblies 3, so that the driving motors 15 drive the rotating roller 4 to rotate, and the filter screen 6 is transported; and the drive means 8 further comprise a connection 16 for achieving a synchronous movement of the cleaning roller 13 and the corresponding turning roller 4.
Referring to fig. 1 and 2, the connection 16 includes a connection gear 17 welded to one of the rotating roller 4 and the cleaning roller 13 of the same filter assembly 3, the connection gear 17 on the rotating roller 4 and the connection gear 17 on the corresponding cleaning roller 13 being engaged with each other; when the rotating roller 4 rotates, the cleaning roller 13 is driven to rotate.
Referring to fig. 1 and 3, the collecting device 9 includes collecting tanks 18, the number of the collecting tanks 18 is two, the collecting tanks 18 are located at both sides of the plurality of rotating rollers 4, and the water collecting tank 1 is located between the two collecting tanks 18; the collecting device 9 further comprises a conveying channel 24 arranged between the collecting box 18 and the impurity outlet 10, one end of the conveying channel 24 is welded on the outer side wall of the water collecting box 1, the other end of the conveying channel 24 is welded on the side wall of the collecting box 18, and the conveying channel 24 is communicated with the collecting box 18; the impurities falling from the impurity outlet 10 will enter the collection box 18 through the conveying passage 24; the collecting device 9 further comprises a conveying pipe 19 arranged between the collecting box 18 and the collecting box 1, the port of the conveying pipe 19 connected with the collecting box 18 is higher than the port of the conveying pipe 19 connected with the collecting box 1, a mesh screen 20 for reducing impurities from entering the collecting box 1 is detachably connected to the inner wall of the conveying pipe 19, and the mesh screen 20 is positioned at the port of the conveying channel 24 connected with the collecting box 18; a one-way valve 21 is provided in the transport pipe 19 to allow waste water to flow from the collection tank 18 to the header tank 1.
Referring to fig. 2 and 4, the height of the impurities in the collection box 18 cannot exceed the height of the port where the transport pipe 19 is connected to the collection box 18, and when the impurities in the collection box 18 are excessive, the impurities need to be discharged in time, so that the possibility that the impurities block the mesh screen 20 is reduced.
Staff sends waste water into header tank 1 through raceway 2, and through the filtration of a plurality of layers of filter screen 6, the impurity on the filter screen 6 will pass through the motion of filter screen 6 to and the clearance of cleaning roller 13 and clearance brush 14, and impurity carries in collecting box 18 through conveyer way 24, and the impurity of standing in collecting box 18 can appear layering, and waste water can get back to header tank 1 again from conveyer pipe 19 in, improves water utilization ratio.
The embodiment of the application relates to a treatment device for papermaking wastewater and a treatment method thereof, and the implementation principle is as follows: the waste water is filtered through the filter screens 6, and the filter screens 6 are reduced in possibility of blocking due to the fact that the filter screens 6 rotate continuously, the cleaning rollers 13 clean the filter screens 6 and the cleaning water pipes 11 clean the filter screens 6; the impurities separated by the filter screen 6 will enter the collection box 18 so that the waste water can be further treated to obtain a reusable water resource.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (5)
1. The utility model provides a papermaking wastewater treatment device, includes header tank (1) that is used for collecting waste water, sets up raceway (2) that carry waste water on header tank (1), its characterized in that: a plurality of filtering components (3) which are arranged on the inner wall of the water collection tank (1) and are positioned above the water level in the water collection tank (1); the filtering assembly (3) comprises two rotating rollers (4) which are rotatably connected to the inner wall of the water collecting tank (1), and a plurality of conveying chains (5) which surround the two rotating rollers (4) and drive the two rotating rollers (4) to synchronously rotate, and a filter screen (6) which is fixed on the conveying chains (5) and is used for filtering wastewater; the water delivery pipe (2) is positioned above the plurality of filtering components (3), and the water collection tank (1) is provided with a water outlet pipe (7) positioned below the plurality of filtering components (3); the water collection tank (1) is also provided with a driving device (8) for driving the filter assemblies (3) to move and a collecting device (9) for collecting impurities falling from the filter screen (6), the filter assemblies (3) are distributed along the vertical direction, and the side wall of the water collection tank (1) is provided with impurity outlets (10) which are in one-to-one correspondence with the filter assemblies (3); the rotating rollers (4) are horizontally arranged, the rotating rollers (4) in the same filter assembly (3) are vertically staggered, so that the movement direction of the filter screen (6) is inclined, the movement inclination directions of the filter screens (6) in the adjacent filter assemblies (3) are opposite, and the movement direction of the upper section of the same filter screen (6) is from low to high; the impurity outlet (10) is positioned at the highest end of the corresponding filter component (3) and is close to the side wall of the water collection tank (1); the water delivery pipe (2) is positioned above the lowest part of the filtering component (3), a plurality of cleaning water pipes (11) for reducing the blocking possibility of the filter screen (6) are further arranged on the water collection tank (1), a plurality of spray heads (12) are arranged on the cleaning water pipes (11), and the cleaning water pipes (11) are positioned in the filter screen (6) in a surrounding mode; the spray heads (12) are downward; the mesh diameters of the filter screens (6) positioned in different filter assemblies (3) gradually decrease from top to bottom; the filter screen (6) extends out of the water collection tank (1) through the impurity outlet (10); a plurality of cleaning rollers (13) for cleaning the filter screen (6) are arranged on the outer side wall of the water collecting tank (1), and the cleaning rollers (13) are in one-to-one correspondence with the filter components (3); the cleaning roller (13) is provided with a cleaning brush (14); the driving device (8) comprises a plurality of driving motors (15) fixed on the side wall of the water collecting tank (1), and the output shafts of the driving motors (15) are fixed on one rotary roller (4) in the same filtering assembly (3); the driving device (8) also comprises a connecting piece (16) for realizing synchronous movement of the cleaning roller (13) and the corresponding rotating roller (4).
2. A papermaking wastewater treatment apparatus according to claim 1, wherein: a plurality of cleaning openings (22) for cleaning impurities inside the filter screen (6) are formed in the side wall of the water collecting tank (1), the cleaning openings (22) correspond to the filter assemblies (3) one by one, and cleaning doors (23) for closing the cleaning openings (22) are rotatably connected to the inner walls of the cleaning openings (22).
3. A papermaking wastewater treatment apparatus according to claim 1, wherein: the connecting piece (16) comprises a connecting gear (17) fixed on one rotating roller (4) and the cleaning roller (13) of the same filtering assembly (3), and the connecting gear (17) positioned on the rotating roller (4) and the connecting gear (17) on the corresponding cleaning roller (13) are meshed with each other.
4. A papermaking wastewater treatment apparatus according to claim 3, wherein: the collecting device (9) comprises a collecting box (18), a conveying channel (24) arranged between the collecting box (18) and the impurity outlet (10), and a conveying pipe (19) arranged between the collecting box (18) and the collecting box (1), wherein a mesh screen (20) and a one-way valve (21) allowing wastewater to flow from the collecting box (18) to the collecting box (1) are arranged in the conveying pipe (19); the mesh screen is located at the port where the transport tube (19) is connected to the collection box (18).
5. A method for treating papermaking wastewater, according to any one of claims 1 to 4, comprising the steps of:
S1, enabling wastewater to enter a plurality of filtering components (3) through a water conveying pipe (2);
s2, impurities enter a collecting box (18) through the rotation of the filter screen (6);
S3, enabling the wastewater in the collecting tank (18) to enter the water collecting tank (1) through the conveying pipe (19);
and S4, discharging the filtered wastewater in the water collecting tank (1) through a water outlet pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210995090.7A CN115364565B (en) | 2022-08-18 | 2022-08-18 | Papermaking wastewater treatment device and treatment method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210995090.7A CN115364565B (en) | 2022-08-18 | 2022-08-18 | Papermaking wastewater treatment device and treatment method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115364565A CN115364565A (en) | 2022-11-22 |
| CN115364565B true CN115364565B (en) | 2024-05-07 |
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| CN202210995090.7A Active CN115364565B (en) | 2022-08-18 | 2022-08-18 | Papermaking wastewater treatment device and treatment method thereof |
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| CN116920485A (en) * | 2023-07-05 | 2023-10-24 | 德州学院 | Environmental engineering laboratory waste liquid multistage treatment system |
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| CN210814220U (en) * | 2019-07-31 | 2020-06-23 | 河南中烟工业有限责任公司 | Net belt type cleaning system of water curtain dust removing equipment |
| CN211133193U (en) * | 2019-09-10 | 2020-07-31 | 陈志伟 | Multi-stage filtration water purifier with self-cleaning function |
| CN213942318U (en) * | 2020-11-11 | 2021-08-13 | 惠州乐印水性科技有限公司 | Environment-friendly ink and water processing garbage collection equipment |
| CN215975210U (en) * | 2021-08-06 | 2022-03-08 | 河南省启源环保科技有限公司 | Domestic sewage treatment device convenient to clearance |
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