CN214597490U

CN214597490U - Ectopic treatment system for eutrophic lakes

Info

Publication number: CN214597490U
Application number: CN202120664142.3U
Authority: CN
Inventors: 任宇; 李文雅; 邓卓
Original assignee: Hunan Lvlin Construction Group Co ltd
Current assignee: Hunan Lvlin Construction Group Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-11-05
Anticipated expiration: 2031-03-31

Abstract

The application relates to an ectopic treatment system of eutrophic lakes, which relates to the technical field of water treatment, wherein the bottom of the side wall of a denitrification device is communicated with a drain pipe, an oxygen enrichment device is arranged at the top of the denitrification device, the bottom of the oxygen enrichment device is communicated with the top of the denitrification device, a desanding device is arranged at the top of the oxygen enrichment device, the bottom of the desanding device is communicated with the top of the oxygen enrichment device, a filter screen is arranged at the top of the desanding device, a water taking device comprises a water suction pump and a water inlet pipe, the outlet pipe, inlet tube and suction pump water inlet intercommunication, outlet pipe and suction pump delivery port intercommunication, the outlet pipe other end extends to the desanding device top, bin fixed connection is on the oxygen boosting device lateral wall, the lateral wall that the oxygen boosting device is close to bin one side wears to be equipped with out husky pipe, goes out husky pipe and keeps away from the other end and the desanding device intercommunication of bin, wears to be equipped with the clearance subassembly that is used for clearing up the filter screen top surface in the desanding device. This application has when the filter screen surface piles up there is too much impurity, the comparatively easy effect in clearance filter screen surface.

Description

Ectopic treatment system for eutrophic lakes

Technical Field

The application relates to the technical field of water treatment, in particular to an ectopic treatment system for eutrophic lakes.

Background

The water eutrophication refers to the phenomenon of water quality pollution caused by excessive content of nutrient salts such as N, P in the water. The essence is that the species distribution of the water ecological system is unbalanced due to the unbalanced input and output of nutritive salt, so that eutrophicated lakes need to be effectively treated, the ecology of the lakes is restored, and an ectopic treatment system can be adopted for auxiliary treatment in the treatment process.

In the prior patent with the patent publication number of CN211896553U and the patent name of the ectopic auxiliary device for the eutrophic lake, a box door driving mechanism is axially connected at the side position of one end of an oxygen enrichment mechanism close to a suspension ladder, and due to the arrangement of a denitrification mechanism, wherein the nitrogen-removing cotton layer can purify eutrophic water body by chemical elements, and because the sand-removing mechanism is arranged, the first gravel filter screen can carry out primary coarse filtration operation on the poured water body, most of plankton and other impurities in the water body can be filtered, the sand collection funnel and the second gravel filter screen can conveniently lead out the impurities in the water body, but impurity such as coarse sand after filtering in the sand removal mechanism will pile up on the filter screen surface, if impurity such as coarse sand piles up in a large number and will influence the filter effect of sand removal device to the water on the filter screen surface, generally need operating personnel to climb to the device top after the integrated device operation one end time and clear up or change the filter screen with the filter screen surface again.

In view of the above-mentioned related art, the inventors thought that there was a drawback that when excessive impurities were accumulated on the surface of the screen, it was troublesome to clean the surface of the screen.

SUMMERY OF THE UTILITY MODEL

In order to improve when having piled up too much impurity on the filter screen surface, clear up the comparatively trouble defect in filter screen surface, this application provides an ectopic treatment system of eutrophic lake.

The application provides an ectopic treatment system of eutrophic lake adopts following technical scheme:

an ectopic treatment system for eutrophic lakes comprises a water taking device, a desanding device, an oxygen enrichment device, a denitrification device and a storage tank, wherein the bottom of the side wall of the denitrification device is communicated with a drain pipe;

the water intaking device includes suction pump, inlet tube, outlet pipe, inlet tube one end and suction pump water inlet intercommunication, outlet pipe one end and suction pump delivery port intercommunication, the outlet pipe other end extends to desanding device top, bin fixed connection is on the oxygen enrichment device lateral wall, the lateral wall that the oxygen enrichment device is close to bin one side is worn to be equipped with out husky pipe, go out husky pipe and keep away from the other end and the desanding device intercommunication of bin, wear to be equipped with the clearance subassembly that is used for clearing up the filter screen top surface in the desanding device.

Through adopting above-mentioned technical scheme, earlier the water that will need to administer through water intake device's suction pump extracts, water after the extraction is through the inlet tube in proper order, the suction pump, flow into behind the outlet pipe in the desanding device, the water filters the great impurity of volume in the desanding device through the filter screen after, again filter the separation with the sand in the water inside the desanding device, the sand of separation gets into the bin through going out the sand pipe, water after the filtration then handles through oxygen enrichment facility and denitrification facility in proper order, water rethread denitrification facility's drain pipe discharge after the processing, when piling up too much impurity after filtering many times as the filter screen top surface, operating personnel can operate the clearance subassembly and clear up the filter screen top surface, avoid the filter effect that accumulational impurity influences the filter screen on the filter screen.

Optionally, the clearance subassembly includes motor, lead screw, movable block, scraper blade, the lead screw is close to bin one side lateral wall top by the desanding device and wears to locate the desanding device perpendicularly in, the lead screw rotates with the desanding device to be connected, motor fixed connection is on the lateral wall that the desanding device is close to bin one side, motor output shaft and lead screw are located the one end rotation outside the desanding device and are connected, the movable block is located the one end threaded connection of desanding device with the lead screw, scraper blade and movable block fixed connection, the one end butt in the filter screen top surface that the scraper blade is close to the filter screen.

Through adopting above-mentioned technical scheme, operating personnel starter motor drives the lead screw and rotates, and the removal piece will move along lead screw length direction when the lead screw rotates, and the removal piece removes the in-process and will drive scraper blade synchronous motion, because the scraper blade removes the in-process and produces the friction with the filter screen top surface, therefore the scraper blade removes the in-process and can strike off the impurity of filter screen top surface.

Optionally, a guide rail is arranged in the desanding device, two ends of the guide rail are respectively and fixedly connected to opposite side walls in the width direction of the desanding device, a sliding block is sleeved on the guide rail and connected in a sliding manner, and the sliding block is fixedly connected with one end, far away from the moving block, of the scraper.

Through adopting above-mentioned technical scheme, when the scraper blade moved along lead screw length direction under the drive of movable block, there was certain frictional force between scraper blade and the filter screen, probably resulted in the scraper blade to keep away from the one end of movable block and the one end rate of removal that the scraper blade is close to the movable block inconsistent, so setting up of guide rail and slider makes the more steady removal of scraper blade, is favorable to the more steady impurity of cleaing away the filter screen surface of scraper blade.

Optionally, the opening has been seted up to the lateral wall bottom that the sand removing device is close to bin one side, the opening is seted up along sand removing device width direction, the opening is seted up and is located the one side that the filter screen is close to the outlet pipe on the sand removing device lateral wall, the lateral wall that sand removing device seted up opening one side is equipped with the baffle, the baffle is the same with the opening width, baffle fixed connection is located the opening on the sand removing device lateral wall and is close to one side of bin.

Through adopting above-mentioned technical scheme, when the impurity clearance of scraper blade on with the filter screen was to the opening, impurity will fall into the baffle through the opening, and the baffle plays the guide effect to impurity for impurity is in the same direction as extending the baffle and is fallen into the bin, therefore the scraper blade need not carry out artifical clearance after scraping impurity to one side of filter screen, is favorable to the clearance subassembly to carry out clearance many times to the filter screen.

Optionally, the lead screw is located the other one end transmission of sand removing device and is connected with drive assembly, drive assembly is located motor and sand removing device's intermediate position department, the one end transmission that drive assembly kept away from the lead screw is connected with and stirs the subassembly, stir the subassembly and keep away from drive assembly's one end and wear to locate in the bin along bin length direction, it is located one side that the bin is close to out husky pipe to stir the subassembly.

Through adopting above-mentioned technical scheme, the lead screw rotates the in-process and will stir the subassembly through transmission assembly with power transmission, stirs the subassembly and can stir the sand or impurity that are close to a sand pipe one side in the bin, thereby avoids a sand pipe department to pile up the play sand that too much sand or impurity influence a sand pipe, and the indirect filter action that influences sand removal device.

Optionally, the transmission assembly includes first drive wheel, second drive wheel, pivot, drive belt, first drive wheel cover is established and fixed connection is located the outer one end of desanding device in the lead screw, just first drive wheel is located the intermediate position department of motor and desanding device, the pivot is rotated and is connected on the lateral wall that the oxygen enrichment device is close to bin one side, the pivot is located bin width direction one side lateral wall other, second drive wheel cover is established and fixed connection is in the pivot, the drive belt cover is located on first drive wheel and the second drive wheel, mix the subassembly and be located the outer one end of bin and rotate and connect in the pivot.

Through adopting above-mentioned technical scheme, when the motor drove the lead screw and rotates, the lead screw will drive first drive wheel and rotate, and first drive wheel rotates the in-process and will drive belt and second drive wheel and rotate, and the second drive wheel rotates the in-process and will drive the pivot and rotate, and the pivot rotates the in-process and will drive and stir the subassembly and stir sand or impurity of stirring in the bin.

Optionally, the first driving wheel and the second driving wheel are belt wheels, and the driving belt is a belt.

Through adopting above-mentioned technical scheme, the transmission subassembly carries out power transmission through belt drive, because first drive wheel is far away from with the second drive wheel, consequently adopts simple structure, the transmission of the steady belt drive of transmission more to be favorable to the transmission of power.

Optionally, mix the subassembly and include third drive wheel, fourth drive wheel, stir the roller and wear to locate the bin perpendicularly along bin length direction by the lateral wall that the bin is close to pivot one side, stir the roller and be located one side that the bin is close to out husky pipe, stir the one end fixedly connected with stirring piece that the roller is located the bin, third drive wheel cover is established and fixed connection in the pivot, fourth drive wheel cover is established and fixed connection is in stirring the roller and is located the outer one end of bin, the third drive wheel is connected with the fourth drive wheel transmission.

Through adopting above-mentioned technical scheme, will drive the third drive wheel when the pivot rotates and rotate, the third drive wheel pivoted in-process will drive the fourth drive wheel and stir the roller and rotate, stir the roller and rotate in-process stirring piece and will stir sand or impurity in the bin, thereby make it be difficult to pile up and influence the normal play sand of a sand pipe in a sand pipe department.

Optionally, the third driving wheel and the fourth driving wheel are both bevel gears.

Through adopting above-mentioned technical scheme, stir the subassembly and pass through gear transmission power, compare in other transmission modes, gear drive has higher transmission precision and transmission efficiency, and life is longer.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the filter screen of sand removal device is cleared up to needs, operating personnel starter motor drives the lead screw and rotates, and the removal piece will move along lead screw length direction when the lead screw rotates, and the removal piece removes the in-process and will drive scraper blade synchronous motion, because the scraper blade removes the in-process and produces the friction with the filter screen top surface, therefore the scraper blade removes the in-process and can strike off the impurity of filter screen top surface.

2. Through the setting of stirring roller, stirring piece on the stirring roller will stir the sand or the impurity in the bin in the stirring roller rotation in-process, thereby it is difficult to pile up and influences the normal sand of going out the husky pipe in a husky pipe department.

Drawings

FIG. 1 is a schematic structural diagram I of an ectopic treatment system of an eutrophic lake in the embodiment of the application.

FIG. 2 is a schematic structural diagram II of an ectopic treatment system of an eutrophic lake in the embodiment of the application.

Description of reference numerals: 1. a water intake device; 2. a sand removal device; 3. an oxygen enrichment device; 4. a denitrification device; 5. a storage tank; 6. cleaning the assembly; 7. a transmission assembly; 8. an agitation assembly; 11. a water pump; 12. a water inlet pipe; 13. a water outlet pipe; 21. a filter screen; 22. a guide rail; 23. a slider; 24. an opening; 25. a guide plate; 31. a sand outlet pipe; 41. a drain pipe; 61. a motor; 62. a screw rod; 63. a moving block; 64. a squeegee; 71. a first drive pulley; 72. a second transmission wheel; 73. a rotating shaft; 74. a transmission belt; 81. a third transmission wheel; 82. a fourth transmission wheel; 83. a stirring roller; 831. a stirring blade.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses an ectopic treatment system for eutrophic lakes. Referring to fig. 1, heterotopic treatment system in eutrophic lake includes denitrification facility 4, denitrification facility 4 arranges subaerially in, 4 top intercommunications of denitrification facility have

oxygen boosting device

3, 3 top intercommunications of oxygen boosting device have desanding device 2, fixedly connected with bin 5 on the lateral wall of 3 length direction one sides of oxygen boosting device, bin 5 is rectangle and open-

top

24, 2 top fixedly connected with filter screens 21 of desanding device, clearance subassembly 6 that is used for clearing up filter screen 21 is still worn to be equipped with at 2 tops of desanding device, water intake device 1 is provided with to one side of 4 width direction of denitrification facility, water intake device 1 is used for extracting eutrophic lake's water to filter screen 21 top, denitrification facility 4 keeps away from the lateral wall bottom intercommunication of water intake device 1 one side and is equipped with drain pipe 41.

Water intaking device 1 includes suction pump 11, suction pump 11 water inlet intercommunication has inlet tube 12, suction pump 11 delivery port intercommunication has outlet pipe 13, outlet pipe 13 keeps away from the one end of suction pump 11 and extends and unsettled in the central point at 2 tops of sand removing device and put the department, and outlet pipe 13's delivery port is towards the filter screen 21 in the sand removing device 2, the one end transmission that clearance subassembly 6 is located the sand removing device 2 outside is connected with drive assembly 7, drive assembly 7 keeps away from the one end rotation of clearance subassembly 6 and connects on the lateral wall of 3 fixedly connected with bin 5 one sides of oxygen enrichment facility, drive assembly 7 is close to bin 5's one end transmission and is connected with and stirs subassembly 8, stir subassembly 8 and keep away from the one end of drive assembly 7 and wear to locate in bin 5 along bin 5 length direction, and stir subassembly 8 and bin 5 and rotate and be connected.

One side that the 2 tops of sand removing device are close to the water intaking pump is equipped with guide rail 22 along sand removing device 2's width direction, guide rail 22 both ends rotate respectively and connect on 2 length direction's of sand removing device to the lateral wall, sliding connection has slider 23 on guide rail 22, slider 23 is the rectangular block, slider 23 and clearance subassembly 6 fixed connection, sand removing device 2 has seted up opening 24 near the lateral wall of bin 5 one side, opening 24 sets up along 2 length direction of sand removing device, opening 24 sets up and lies in the one side that bin 5 was kept away from to filter screen 21 on 2 lateral walls of sand removing device, it has baffle 25 still to weld on the lateral wall that opening 24 one side was seted up to sand removing device 2, baffle 25 is trapezoidal, baffle 25 base welds in the one side that opening 24 is close to bin 5 on 2 lateral walls of sand removing device, baffle 25 base length is the same with opening 24 length.

Remove in the sand device 2 still the fine sand filter screen 21 of fixedly connected with, a fine sand for in the water filters, fine sand filter screen 21 bottom intercommunication has sand outlet pipe 31, sand outlet pipe 31 is kept away from the other end of fine sand filter screen 21 and is worn to locate in the lateral wall of 3 fixedly connected with bin 5 one sides of oxygen enrichment facility, and sand outlet pipe 31 is located bin 5 of the outer one end of oxygen enrichment facility 3, be equipped with the pump oxygen machine in the oxygen enrichment facility 3, thereby be used for to the effect that reaches the water purification of carrying oxygen in the water, be equipped with nitrogen removal cotton layer and oxygen boosting bio-layer in the denitrification facility 4, after in water gets into denitrification facility 4, nitrogen removal surface course and oxygen boosting bio-layer in denitrification facility 4 will play further purification effect to the water.

Referring to fig. 2, cleaning assembly 6 includes motor 61, motor 61 is motor 61 that is just reversing, motor 61 passes through connecting block fixed connection in the top that desanding device 2 offered opening 24 one side lateral wall, and motor 61 fixed connection is in the one side that the guide rail 22 was kept away from to the 2 lateral walls of desanding device, motor 61 output shaft rotates and is connected with lead screw 62, lead screw 62 is worn to locate perpendicularly to the lateral wall of desanding device 2 length direction along desanding device 2 width direction by desanding device 2 is outer, lead screw 62 rotates with desanding device 2 and is connected, one end threaded connection that lead screw 62 is located desanding device 2 has movable block 63, movable block 63 is the rectangular block, one side welding that movable block 63 is close to guide rail 22 has scraper blade 64, the one end that scraper blade 64 kept away from movable block 63 welds with slider 23, scraper blade 64 longitudinal section is the inverted triangle, scraper blade 64 bottom butt in filter screen 21 top surface.

The transmission assembly 7 comprises a first transmission wheel 71, the first transmission wheel 71 is a belt wheel, the first transmission wheel 71 is sleeved and fixedly connected with one end of the screw rod 62, which is positioned outside the desanding device 2, the first transmission wheel 71 is positioned between the motor 61 and the outer side wall of the desanding device 2, a transmission belt 74 is sleeved on the outer side wall of the first transmission wheel 71, the transmission belt 74 is a belt, the other end of the transmission belt 74 is sleeved on the outer side wall of the second transmission wheel 72, the second transmission wheel 72 is sleeved and fixedly connected on a rotating shaft 73, one end of the rotating shaft 73 is rotatably connected on the outer side wall of one side of the storage tank 5 fixedly connected with the oxygen enrichment device 3, and the rotating shaft 73 is positioned on one side, which is far away from the water taking pump, of the outer side wall of the oxygen enrichment device 3.

Mix subassembly 8 and include third drive wheel 81, third drive wheel 81 cover is established and fixed connection is in the one end that oxygen enrichment facility 3 was kept away from to pivot 73, third drive wheel 81 is bevel gear, mix subassembly 8 and still include stirring roller 83, stir roller 83 and wear to locate in storage box 5 along storage box 5 length direction perpendicularly, and stir roller 83 and be located one side that is close to sand outlet pipe 31 in storage box 5, stir roller 83 is located the one end fixedly connected with stirring piece 831 of storage box 5, stirring piece 831 is the heliciform ring and locates on stirring roller 83 lateral wall, stir roller 83 is located the outer pot head of storage box 5 and establishes and fixedly connected with fourth drive wheel 82, fourth drive wheel 82 is the bevel gear with third drive wheel 81 matched with, and fourth drive wheel 82 meshes with third drive wheel 81.

The implementation principle of the ectopic treatment system of the eutrophic lake in the embodiment of the application is as follows:

the water pump 11 pumps the water in the eutrophic lake through the water inlet pipe 12, the water is pressurized through the water pump 11 and then conveyed to the surface of the filter screen 21 at the top of the desanding device 2 through the water outlet pipe 13, the filter screen 21 filters large impurities such as coarse sand in the water, the water continues to be separated from fine sand in the water through fine sand filtration in the desanding device 2, the fine sand enters the storage tank 5 through the sand outlet pipe 31, the water subjected to desanding treatment is purified through the oxygen enrichment device 3 and the denitriding device in sequence, and finally the water is discharged through the water outlet pipe 41.

After more grit or impurity has been piled up on the filter screen 21 surface, operating personnel can start motor 61, motor 61 drives lead screw 62 and rotates, lead screw 62 rotates in-process movable block 63 and will drive scraper blade 64 and remove towards the direction that is close to opening 24, slider 23 also will slide on guide rail 22 in step simultaneously, scraper blade 64 removes the in-process and can strike off grit or impurity on filter screen 21 surface and push away sand removal device 2 from the exit, grit or impurity drop into baffle 25 after pushing away the exit and slide into in the bin 5 along baffle 25 through self action of gravity down.

The lead screw 62 rotates and transmits power to the stirring assembly 8 through the transmission assembly 7, the stirring roller 83 in the stirring assembly 8 synchronously drives the stirring piece 831 to rotate in the storage box 5, and the stirring piece 831 rotates and stirs sand or impurities in the storage box 5, so that the sand outlet effect of the sand outlet pipe 31 is prevented from being influenced by the accumulation of the sand in the sand outlet pipe 31.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An ectopic treatment system for eutrophic lakes is characterized in that: the water taking device comprises a water taking device (1), a desanding device (2), an oxygen enrichment device (3), a denitrification device (4) and a storage box (5), wherein the bottom of the side wall of the denitrification device (4) is communicated with a drain pipe (41), the oxygen enrichment device (3) is arranged at the top of the denitrification device (4), the bottom of the oxygen enrichment device (3) is communicated with the top of the denitrification device (4), the desanding device (2) is arranged at the top of the oxygen enrichment device (3), the bottom of the desanding device (2) is communicated with the top of the oxygen enrichment device (3), a filter screen (21) is arranged at the top of the desanding device (2), and the water taking device (1) is arranged beside the denitrification device (4);

water intaking device (1) includes suction pump (11), inlet tube (12), outlet pipe (13), inlet tube (12) one end and suction pump (11) water inlet intercommunication, outlet pipe (13) one end and suction pump (11) delivery port intercommunication, outlet pipe (13) other end extends to desanding device (2) top, bin (5) fixed connection is on oxygen boosting device (3) lateral wall, sand outlet pipe (31) are worn to be equipped with by the lateral wall that oxygen boosting device (3) are close to bin (5) one side, sand outlet pipe (31) are kept away from the other end and desanding device (2) intercommunication of bin (5), wear to be equipped with clearance subassembly (6) that are used for clearing up filter screen (21) top surface in desanding device (2).

2. The ex-situ remediation system for eutrophic lakes according to claim 1, wherein the ex-situ remediation system comprises: clearance subassembly (6) include motor (61), lead screw (62), movable block (63), scraper blade (64), lead screw (62) are close to in storage box (5) one side lateral wall top by desanding device (2) and wear to locate desanding device (2) perpendicularly, lead screw (62) rotate with desanding device (2) and are connected, motor (61) fixed connection is on desanding device (2) are close to the lateral wall of storage box (5) one side, motor (61) output shaft and lead screw (62) are located the outer one end rotation of desanding device (2) and are connected, one end threaded connection that movable block (63) and lead screw (62) are located desanding device (2), scraper blade (64) and movable block (63) fixed connection, the one end butt that scraper blade (64) are close to filter screen (21) is in filter screen (21) top surface.

3. The ectopic treatment system for eutrophic lakes according to claim 2, which is characterized in that: the sand removing device is characterized in that a guide rail (22) is arranged in the sand removing device (2), two ends of the guide rail (22) are fixedly connected to opposite side walls of the sand removing device (2) in the width direction respectively, a sliding block (23) is sleeved on the guide rail (22) and connected with the guide rail in a sliding mode, and the sliding block (23) is fixedly connected with one end, far away from a moving block (63), of a scraper plate (64).

4. The ectopic treatment system for eutrophic lakes according to claim 2, which is characterized in that: opening (24) have been seted up to the lateral wall bottom that sand removing device (2) are close to bin (5) one side, opening (24) are seted up along sand removing device (2) width direction, opening (24) are seted up and are located one side that filter screen (21) are close to outlet pipe (13) on sand removing device (2) lateral wall, the lateral wall that sand removing device (2) were seted up opening (24) one side is equipped with baffle (25), baffle (25) are the same with opening (24) width, baffle (25) fixed connection is located one side that opening (24) are close to bin (5) on sand removing device (2) lateral wall.

5. The ectopic treatment system for eutrophic lakes according to claim 2, which is characterized in that: lead screw (62) are located the other one end transmission of sand removing device (2) and are connected with drive assembly (7), drive assembly (7) are located the intermediate position department of motor (61) and sand removing device (2), the one end transmission that lead screw (62) were kept away from in drive assembly (7) is connected with and stirs subassembly (8), stir subassembly (8) and keep away from the one end of drive assembly (7) and wear to locate bin (5) along bin (5) length direction, stir subassembly (8) and be located one side that bin (5) are close to sand outlet pipe (31).

6. The ex-situ remediation system for eutrophic lakes according to claim 5, wherein the ex-situ remediation system comprises: the transmission assembly (7) comprises a first transmission wheel (71), a second transmission wheel (72), a rotating shaft (73) and a transmission belt (74), the first driving wheel (71) is sleeved and fixedly connected with one end of the screw rod (62) which is positioned outside the sand removing device (2), and the first transmission wheel (71) is positioned at the middle position of the motor (61) and the sand removing device (2), the rotating shaft (73) is rotatably connected to the side wall of the oxygen enrichment device (3) close to one side of the storage tank (5), the rotating shaft (73) is positioned beside the side wall at one side of the width direction of the storage box (5), the second driving wheel (72) is sleeved and fixedly connected on the rotating shaft (73), the transmission belt (74) is sleeved on the first transmission wheel (71) and the second transmission wheel (72), one end of the stirring component (8) which is positioned outside the storage box (5) is rotatably connected to the rotating shaft (73).

7. The ex-situ remediation system for eutrophic lakes according to claim 6, wherein the ex-situ remediation system comprises: the first transmission wheel (71) and the second transmission wheel (72) are belt wheels, and the transmission belt (74) is a belt.

8. The ex-situ remediation system for eutrophic lakes according to claim 5, wherein the ex-situ remediation system comprises: mix subassembly (8) and include third drive wheel (81), fourth drive wheel (82), stir roller (83) and wear to locate storage box (5) perpendicularly along storage box (5) length direction by storage box (5) side wall that is close to pivot (73) one side, stir roller (83) and be located one side that storage box (5) are close to sand outlet pipe (31), stir roller (83) and be located one end fixedly connected with stirring piece (831) of storage box (5), third drive wheel (81) cover is established and fixed connection on pivot (73), fourth drive wheel (82) cover is established and fixed connection is in stirring the outer one end of roller (83) position in storage box (5), third drive wheel (81) are connected with fourth drive wheel (82) transmission.

9. The ex-situ remediation system for eutrophic lakes according to claim 8, wherein the ex-situ remediation system comprises: the third transmission wheel (81) and the fourth transmission wheel (82) are both bevel gears.