CN107720847B - Sewage treatment equipment - Google Patents
Sewage treatment equipment Download PDFInfo
- Publication number
- CN107720847B CN107720847B CN201711087674.XA CN201711087674A CN107720847B CN 107720847 B CN107720847 B CN 107720847B CN 201711087674 A CN201711087674 A CN 201711087674A CN 107720847 B CN107720847 B CN 107720847B
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- CN
- China
- Prior art keywords
- pipe
- filter
- back pressure
- sewage
- filtering
- 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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- 239000010865 sewage Substances 0.000 title claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000001914 filtration Methods 0.000 claims abstract description 35
- 238000002347 injection Methods 0.000 claims abstract description 26
- 239000007924 injection Substances 0.000 claims abstract description 26
- 238000011010 flushing procedure Methods 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 16
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 239000008213 purified water Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims 4
- 238000005406 washing Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 13
- 238000007599 discharging Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010408 sweeping Methods 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
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
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)
Abstract
A sewage treatment device comprises a housing, a filtering part and a back pressure flushing part, wherein the housing comprises a shell and an upper cover connected to the shell; the filtering part comprises a filtering pipe extending into the housing, a filtering hole is formed in the filtering pipe, one end of the filtering pipe is a sewage inlet, and the other end of the filtering pipe is a sewage outlet; the back pressure flushing part comprises a movable water injection pipe, and also comprises a shunt pipe communicated with the water injection pipe, wherein the shunt pipe is communicated with and fixed on the back pressure chambers, and each back pressure chamber is connected with at least one shunt pipe; the pressure in the back pressure chamber is P 1 The pressure in the filter tube is P 2 P in counter-pressure flushing 1 >P 2 . The device realizes the automatic impurity removal of different areas of the filter pipe through the movable back pressure cavity, effectively avoids the blockage of the filter element and ensures the high efficiency of sewage treatment.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to sewage treatment equipment.
Background
The sewage contains a complex mixture of inorganic matters and organic matters, and comprises the following components: (1) floating and suspended solid particles of size; (2) gelatinous and gelatinous diffusers. The sewage treatment is a process for purifying sewage to meet the water quality requirement of being discharged into a certain water body or reused, namely, a process for purifying solid particles and diffusion substances with the size in the sewage.
The filter screen filtration is the most commonly used purification mode in coarse filtration, and the size of the filtered particulate matters in the mode depends on the size of an orifice of the filter screen, so that the whole structure is simple, the use cost is relatively low, but how to remove the particulate matters on the filter screen is a difficult point of whether the design of the filter is reasonable and whether the continuous filtration can be realized.
The invention patent with the application number of 201310592860.4 discloses a manual back flushing filter screen filter, which consists of a sewage discharging assembly, a water inlet cavity, a middle cavity and a filter cavity, wherein when the filter is in work, a sealing cover of the sewage discharging assembly is positioned at the middle position of two openings at the bottom of the water inlet cavity, a sewage inlet is positioned at the inner wall of a central cylinder of the middle cavity, a filter core inlet is in a fully opened state, a sewage discharging channel is in a closed state, source water enters the filter core for filtering at the moment, and filtered clean water is collected between the filter core and a housing and is output through a water outlet pipe; when the filter element needs to be cleaned, the handle is rotated to enable the sealing cover of the filter assembly to coincide with the center of one opening on the bottom surface of the water inlet cavity, the sewage disposal channel is opened, clean water between the filter element and the housing enters the filter element, and impurities accumulated in the filter screen wall and the filter screen are washed to enter the sewage disposal pipe for discharge; when the filter screen is cleaned, the handle is rotated to clean the next filter screen until the filter element is completely restored to the normal working state. The filter can perform back flushing and independent sewage discharge on the filter element in a non-stop state, but the back flushing needs to manually rotate the handle to send out an operation signal, and only one filter screen can perform back flushing at a time.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides sewage treatment equipment, which separates and filters sewage which is introduced into a filter pipe, gathers clear water in a housing, pumps the clear water into a back pressure flushing part, and finishes back flushing on impurities blocked in a filter hole by means of a movable back pressure chamber, and the flushed impurities are gradually deposited and gathered and then discharged from a sewage outlet so as to realize continuous flushing on the filter hole, wherein the technical scheme is as follows: a sewage treatment device comprising a housing, a filtration section and a counter-pressure flushing section, characterized in that:
the housing comprises a shell and an upper cover connected to the shell;
the filtering part comprises a filtering pipe extending into the housing, a filtering hole is formed in the filtering pipe, one end of the filtering pipe is a sewage inlet, and the other end of the filtering pipe is a sewage outlet;
the back pressure flushing part comprises a movable water injection pipe and also comprises a shunt pipe communicated with the water injection pipe, wherein the shunt pipe is communicated with and fixed on the back pressure chambers, and each back pressure chamber is connected with at least one shunt pipe;
the pressure in the back pressure chamber is P1, the pressure in the filter tube is P2, and P1> P2 in back pressure flushing. The invention is also characterized in that: the filter tube comprises a straight tube portion and a bent tube portion, the straight tube portion comprises a filter element in the middle, the filter tube further comprises a filter outer cover positioned outside the filter element and at least one of a filter support inner tube positioned inside the filter element, and filter holes are formed in the filter element, the filter outer cover and the filter support inner tube.
The invention is also characterized in that: the surface of the bent pipe part is not provided with a filtering hole, and the straight pipe part and the bent pipe part are connected by a movable joint.
The invention is also characterized in that: the back pressure flushing part also comprises a movable power part, and the movable power part is connected with the water injection pipe.
The invention is also characterized in that: the movable power part comprises a driving motor, a speed reducer connected with the motor, and a rotary crank connected with an output shaft of the speed reducer, wherein one end of a connecting rod is hinged on a rotating disc of the rotary crank, and the other end of the connecting rod is hinged with the water injection pipe.
The invention is also characterized in that: the movable power part comprises a power cylinder, and a piston rod of the power cylinder is connected with a water injection pipe.
The invention is also characterized in that: the back pressure flushing part also comprises a water feeding part, the water feeding part comprises a water feeding pipe with one end opening in the housing, the other end of the water feeding pipe is communicated with the water injection pipe, and the water feeding pipe is connected with a booster pump.
The invention is also characterized in that: the water supply pipe is also provided with an emptying branch, and the emptying branch is provided with an emptying valve.
The invention is also characterized in that: the back pressure cavity is sealed with the filter pipe relatively, and the relative sealing means that a sealing ring is arranged between the back pressure cavity and the filter pipe and a sealing sleeve for fixing the sealing ring is also arranged between the back pressure cavity and the filter pipe.
The invention is also characterized in that: the sewage treatment equipment is multi-stage treatment equipment, and a purified water outlet pipeline of the upper-stage equipment is connected with a sewage inlet of the lower-stage equipment.
The invention has the beneficial effects that: the device sends the water pump filtered by the filter pipe into the water injection pipe, then the water pump is conveyed into the back pressure cavity through the water injection pipe, if the pressure value of the back pressure cavity is larger than that of the filter pipe, impurities accumulated on the filter core are separated from the filter core under the action of the pressure and flow towards the sewage outlet, the farther the water pump is away from the sewage inlet, the greater the sand content and viscosity of fluid in the filter pipe are, and finally the filtrate with a large amount of impurities is discharged through the sewage outlet; the device realizes the automatic impurity removal of different areas of the filter pipe through the movable back pressure chamber, effectively avoids the blockage of the filter element, and ensures the high efficiency of sewage treatment; the device can be used for filtering and recycling domestic sewage and industrial sewage, and can also be used for recycling sewage such as sweeping vehicles and the like.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is view A-A of FIG. 1;
FIG. 3 is a schematic diagram of the back pressure chamber;
the filter comprises a driving motor 1, a speed reducer 2, a rotary crank 3, a connecting rod 4, a water injection pipe 5, a guide rail sleeve 6, an upper cover 7, an upper cover flange 8, a movable joint 9, a shunt pipe 10, a back pressure chamber 11, a shell 12, a purified water outlet 13, a pressurizing pump 14, an emptying port 15, an emptying valve 16, a sewage outlet 17, a connecting rod 19, a filter pipe 20, a filter housing 201, a filter element 202, a filter inner supporting pipe 203, a sealing sleeve 21, a sealing ring 22, a sewage inlet 23 and a fixing plate 24.
Detailed Description
The following describes specific embodiments of the present invention with reference to the drawings. The invention discloses a sewage treatment device, which comprises a housing, a filtering part and a back pressure flushing part.
The housing comprises a shell 12 and an upper cover 7, the shell 12 and the upper cover 7 are connected through an upper cover flange 8 and bolts, and a fixing plate 24 is arranged in the shell for facilitating the fixation of components in the housing.
The filtering part comprises a filtering pipe 20 connected with the sewage pipe and extending into the housing, the filtering pipe 20 is provided with a filtering hole, one end of the filtering pipe is a sewage inlet, and the other end of the filtering pipe is a sewage outlet. Considering the needs of filtration and precipitation of impurities in the pipe, the filter pipe 20 of this embodiment includes a straight pipe portion and a bent pipe portion, the straight pipe portion includes a middle filter core 202, the filter core 202 may be a filter cloth, a filter membrane, etc., in order to increase the strength and rigidity of the filter pipe, avoid deformation of the filter pipe and influence on normal filtration when the back pressure chamber moves along its surface, the straight pipe portion further includes at least one of a filter housing 201 located outside the filter core 202 and a filter support inner pipe 203 located inside the filter core 202, and of course, the filter pipe 20 may also be made into a three-layer structure, and the filter core 202, the filter housing 201 and the filter support inner pipe 203 are all provided with filter holes, and the filter housing 201 may be made of a metal material, and the filter support inner pipe 203 may be made of a metal material or a rigid plastic material. The surface of the bent pipe part is not provided with a filtering hole, and the straight pipe part is connected with the bent pipe part through a movable joint 9. Thus, the impurities stored after filtration in the straight pipe portion are conveyed in the direction of the sewage outlet 17 through the bent pipe portion, the amount of impurities in the pipe is small, the front end of the filter pipe is high in filtration speed (the front end is near the sewage inlet 23), the impurities in the filter pipe are increased and the fluid viscosity is increased as the front end of the filter pipe moves backward, the pipe diameter of the filter pipe is gradually increased on the premise that the diameter of the filter hole of the filter pipe 20 is unchanged, and finally the fluid in the pipe is discharged from the sewage outlet 17 as sludge.
When the device is large-scale sewage treatment equipment, the equipment can be connected into multi-stage sewage treatment equipment, namely a purified water outlet 13 of the upper-stage equipment is connected with a sewage inlet 23 of the lower-stage equipment through a pipeline, and a conveying pump is arranged on the connecting pipeline for increasing conveying force so as to improve the purification degree of sewage.
The back pressure flushing part comprises a movable power part, the power of the movable power part can come from a power cylinder or a driving motor 1, the power cylinder is a hydraulic cylinder or a pneumatic cylinder, a piston rod of the hydraulic cylinder or the pneumatic cylinder is connected with a water injection pipe 5 which moves up and down, an output shaft of the driving motor 1 is connected with an input part of a speed reducer 2, an output shaft of the speed reducer 2 is connected with a rotary crank 3, one end of a connecting rod 4 is hinged to a rotary disc of the rotary crank 3, the other end of the connecting rod 4 is hinged to the water injection pipe 5, and the other end of the connecting rod 4 is hinged to the water injection pipe 5, so that the up-and-down movement of the water injection pipe 5 can be realized.
The back pressure flushing part also comprises a water feeding part for conveying the filtered water into the water injection pipe 5, wherein the water feeding part comprises a water feeding pipe with one end opening in the housing, the other end of the water feeding pipe is communicated with the water injection pipe 5, and the water feeding pipe is also connected with a pressurizing pump 14. For discharging the air in the water, the water supply pipe is also provided with an emptying branch, and the emptying branch is provided with an emptying valve 16.
The back pressure flushing part also comprises a shunt tube 10 communicated with the water injection pipe 5, the shunt tube 10 is communicated with and fixed on the back pressure chamber 11 so as to convey the filtered water into the shunt tube 10 through the water injection pipe 5 and finally into the back pressure chamber 11, and the pressure in the back pressure chamber is set as P 1 The pressure in the filter tube is P 2 The back pressure flushing should meet the requirement P 1 >P 2 The impurities attached to the filter holes are washed through pressure difference, so that the filter holes are prevented from being blocked, and the filtering speed and the filtering efficiency are ensured. To obtain sufficient flushing pressure, a plurality of shunt tubes can be connected to each back pressure chamber, a high-pressure water jet is formed at the joint of each shunt tube and the back pressure chamber, and water is simultaneously jetted to the back pressure chamber from the plurality of high-pressure water jet.
In order to obtain a sufficient pressure value, the counter-pressure chamber 11 and the filter tube 20 are relatively sealed, wherein the sealing ring 22 is arranged between the counter-pressure chamber 11 and the filter tube 20, the sealing sleeve 21 for fixing the sealing ring 22 is also arranged, and the sealing sleeve 22 is in threaded connection with the end part of the counter-pressure chamber 11. Of course, a back pressure chamber 11 can also be connected with a plurality of shunt tubes 10, and when the water pressure in the water jet faucet at the joint of the shunt tubes 10 and the pressure dividing chamber 11 is large enough, the granular impurities on the filter element can be removed.
In this embodiment, the end of the water injection pipe 5 is connected to a horizontal connecting rod 19, and the connecting rod 19 is connected to more than two back pressure chambers 11 to drive the back pressure chambers 11 to move up and down.
The straight pipe portion and the bent pipe portion of the filter tube 20 in this embodiment are transversely serpentine after being connected by the movable joint 9, and of course, may have other shapes.
The housing in the embodiment shown is a cylindrical housing, although other shapes are possible, such as square, rectangular, polygonal, etc.
Of course, the above description is not intended to limit the invention, but rather the invention is not limited to the above examples, and variations, modifications, additions or substitutions within the spirit and scope of the invention will be within the scope of the invention.
Claims (7)
1. A sewage treatment apparatus comprises a housing, a filtering part and a back pressure flushing part, and is characterized in that
The method is characterized in that: the housing comprises a shell and an upper cover connected to the shell; the filter part comprises a filter pipe extending into the housing, the filter pipe comprises a straight pipe part and a bent pipe part, the straight pipe part comprises a filter core in the middle, the filter part further comprises a filter outer cover positioned outside the filter core and at least one of a filter support inner pipe positioned inside the filter core, the filter outer cover and the filter support inner pipe are all provided with filter holes, the filter pipe is provided with filter holes, one end of the filter pipe is a sewage inlet, and the other end of the filter pipe is a sewage outlet; the back pressure flushing part comprises a movable water injection pipe, and further comprises a shunt pipe communicated with the water injection pipe, wherein the shunt pipe is communicated with and fixed on the back pressure chamber, at least one shunt pipe is connected to each back pressure chamber, the back pressure flushing part further comprises a water feeding part, the water feeding part comprises a water feeding pipe with one end open in a housing, the other end of the water feeding pipe is communicated with the water injection pipe, a pressurizing pump is connected to the water feeding pipe, an emptying branch is further arranged on the water feeding pipe, an emptying valve is arranged on the emptying branch, the pressure in the back pressure chamber is P1, the pressure in the filter pipe is P2, and P1> P2 in back pressure flushing.
2. The wastewater treatment apparatus according to claim 1, wherein: the bent pipe part
The surface is not provided with a filtering hole, and the straight pipe part and the bent pipe part are connected by a movable joint.
3. The wastewater treatment apparatus according to claim 1, wherein: the back pressure punch
The washing part also comprises a movable power part, and the movable power part is connected with the water injection pipe.
4. A sewage treatment apparatus as claimed in claim 3, wherein: the movement is
The force part comprises a driving motor, a speed reducer connected with the driving motor, and a speed reducer
One end of a connecting rod is hinged on a rotating disc of the rotary crank, and the other end of the connecting rod is hinged on a rotating disc of the rotary crank
The end is hinged with the water injection pipe.
5. The sewage treatment apparatus as claimed in claim 4, wherein: the movement is
The force part comprises a power cylinder, and a piston rod of the power cylinder is connected with a water injection pipe.
6. The wastewater treatment apparatus according to claim 1, wherein: the back pressure chamber
The chamber and the filter tube are relatively sealed, the relative sealing means between the back pressure chamber and the filter tube
The sealing ring is arranged, and the sealing sleeve for fixing the sealing ring is also arranged.
7. The wastewater treatment apparatus according to claim 1, wherein: the sewage position
The treatment equipment is multi-stage treatment equipment, and a purified water outlet pipeline of the upper-stage equipment is connected with the next-stage equipment
And a sewage inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711087674.XA CN107720847B (en) | 2017-11-07 | 2017-11-07 | Sewage treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711087674.XA CN107720847B (en) | 2017-11-07 | 2017-11-07 | Sewage treatment equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107720847A CN107720847A (en) | 2018-02-23 |
| CN107720847B true CN107720847B (en) | 2023-12-05 |
Family
ID=61221763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711087674.XA Active CN107720847B (en) | 2017-11-07 | 2017-11-07 | Sewage treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107720847B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109331516A (en) * | 2018-11-06 | 2019-02-15 | 郑州韦尔特生物科技有限公司 | A kind of pipeline flow-guiding type multistage point filter device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016107179A (en) * | 2014-12-02 | 2016-06-20 | 富士フィルター工業株式会社 | Filtering device |
| CN205832742U (en) * | 2016-07-28 | 2016-12-28 | 陈程辉 | Cleaning device of filter cartridge |
| CN106964182A (en) * | 2017-04-21 | 2017-07-21 | 周海兵 | Pressure of turning one's coat wash type filter |
| CN207468229U (en) * | 2017-11-07 | 2018-06-08 | 李金栋 | A kind of sewage disposal device |
-
2017
- 2017-11-07 CN CN201711087674.XA patent/CN107720847B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016107179A (en) * | 2014-12-02 | 2016-06-20 | 富士フィルター工業株式会社 | Filtering device |
| CN205832742U (en) * | 2016-07-28 | 2016-12-28 | 陈程辉 | Cleaning device of filter cartridge |
| CN106964182A (en) * | 2017-04-21 | 2017-07-21 | 周海兵 | Pressure of turning one's coat wash type filter |
| CN207468229U (en) * | 2017-11-07 | 2018-06-08 | 李金栋 | A kind of sewage disposal device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107720847A (en) | 2018-02-23 |
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