CN111807582A

CN111807582A - Odor-preventing and flow-controllable sewage treatment equipment for fish culture in rice field

Info

Publication number: CN111807582A
Application number: CN202010702465.7A
Authority: CN
Inventors: 赵凤
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2020-10-23

Abstract

The invention discloses a sewage treatment device with odor prevention and controllable flow for fish culture in a rice field, which comprises a box body, a precipitation bin, a filtering bin and a purification bin are arranged inside the box body, a water inlet pipe is arranged on one side of the top of the precipitation bin, a water inlet joint is arranged at the top end of the outer side edge of the box body, and one end of the water inlet pipe far away from the sedimentation bin penetrates through and extends to the top end of the side edge of the box body, a first water level sensor is arranged at the top end of one side edge in the settling bin, a first motor is arranged at the top of the settling bin and positioned at one side of the water inlet pipe, a first rotating rod is arranged at the bottom of the first motor, the bottom end of the first rotating rod penetrates through and extends into the settling bin, the first stirring rods are symmetrically arranged on the outer side edge of the first rotating rod, the top of the settling bin is located the first motor is far away from one side of the water inlet pipe, and a first chemical box is installed on one side of the water inlet pipe.

Description

Odor-preventing and flow-controllable sewage treatment equipment for fish culture in rice field

Technical Field

The invention relates to the technical field of aquaculture sewage treatment, in particular to an odor-resistant and flow-controllable sewage treatment device for fish culture in a rice field.

Background

The fish culture in the rice field mainly utilizes the water surface of the rice field to culture fish, so that fish products can be obtained, pests and weeds in the rice field can be eaten by the fish, manure is discharged, soil is turned over to promote fertilizer decomposition, good conditions are created for rice growth, and in the process of culturing the fish in the rice field, sewage needs to be treated to ensure that the rice field can be better cultured; at present, the in-process of breeding fish in paddy field can't be better handles sewage to when influencing normal breed, also produce the peculiar smell easily, influence people's work and surrounding environment, and then can't be better satisfy people's user demand.

In conclusion, how to better perform sewage treatment in the process of fish culture in the paddy field is a technical problem which needs to be solved urgently at present.

Disclosure of Invention

The invention aims at the defects, provides the peculiar smell prevention sewage treatment equipment with controllable flow for fish culture in the rice field, and solves the problem of better sewage treatment in the process of fish culture in the rice field.

The technical scheme of the invention is realized as follows:

the utility model provides a rice field is bred fish with preventing peculiar smell and controllable sewage treatment device of flow, includes the box, the internally mounted of box has precipitation storehouse and filtration storehouse and purification storehouse, the inlet tube is installed to top one side in precipitation storehouse, just the inlet tube is kept away from the one end in precipitation storehouse is run through and is extended to box side top, water level sensor I is installed on inside side top in precipitation storehouse, the top in precipitation storehouse just is located one side of inlet tube installs motor I, dwang I is installed to the bottom of motor I, just the bottom of dwang I runs through and extends to the inside in precipitation storehouse, stirring rod I is installed to the outside limit symmetry of dwang I, the top in precipitation storehouse just is located one side that motor I kept away from the inlet tube is installed medicament case I, connecting valve I is installed to the bottom of medicament case I, the bottom end of the first connecting valve penetrates through and extends to the top end of the interior of the sedimentation bin, a plurality of first through holes are formed in the top of the sedimentation bin and are located on two sides of the first motor perpendicular to the water inlet pipe, a first concave interlayer is arranged in the sedimentation bin and below the first rotating rod, a first electromagnetic valve is arranged in the middle of the first concave interlayer in a penetrating mode, a first grid screen plate is arranged in the sedimentation bin and below the first concave interlayer, a first pump body is arranged on one side of the bottom end of the interior of the sedimentation bin, a first connecting pipe is arranged at one end of the first pump body, one end, far away from the first pump body, of the first connecting pipe penetrates through and extends to the middle of the top end of the interior of the filtration bin, a second water level sensor is arranged at the top end of one side of the interior of the filtration bin, and a plurality of second through holes are formed, the filter comprises a filter cabin, a filter screen plate I, a filter screen plate II, a partition plate, a plurality of electromagnetic valves II, a hollow filter membrane, a support plate, a plurality of water outlets, a pressure pump and a pump body II, wherein the filter screen plate I is installed at the top end inside the filter cabin, the filter screen plate II is installed below the filter screen plate I, the partition plate is installed below the filter screen plate II, the electromagnetic valves II are installed on the partition plate in a penetrating manner, the hollow filter membrane is arranged at the bottom of the partition plate and located between the electromagnetic valves II, the support plate is installed at the bottom of the hollow filter membrane, the water outlets are connected with the hollow filter membrane, the pressure pump is fixedly installed between the partition plate and the support plate and communicated with the inside of the filter cabin, the pump body II is installed at one side of the bottom end inside the filter cabin, the connecting pipe II is installed at one end of the pump body II, and, a third water level sensor is installed at the top end of one side edge in the purification bin, a second motor is installed at the top of the purification bin and located at one side of a second connecting pipe, a second rotating rod is installed at the bottom of the second motor, the bottom end of the second rotating rod penetrates through and extends to the interior of the purification bin, a second stirring rod is symmetrically installed at the outer side edge of the second rotating rod, a second chemical box is installed at the top of the purification bin and located at one side of the second motor, which is far away from the second connecting pipe, a second connecting valve is installed at the bottom of the second chemical box, the bottom end of the second connecting valve penetrates through and extends to the top end of the interior of the purification bin, a plurality of third through holes are formed in the top of the purification bin and located at two vertical sides of the second motor and the second connecting pipe, a second concave interlayer is installed below the purification bin, and a third electromagnetic valve is installed in the middle of, a second grid mesh plate is arranged in the purification bin and below the second concave interlayer, an ultraviolet lamp tube is arranged below the second grid mesh plate, an ultraviolet generator is arranged at the bottom end of one side of the purification bin, which is far away from the filtration bin, the ultraviolet generator is connected with the ultraviolet lamp tube, a drain pipe is arranged at one side of the bottom end of the purification bin in a penetrating manner, a drain valve is arranged at one side of the drain pipe, which is far away from the purification bin, one end of the drain valve, which is far away from the drain pipe, extends to the outer side of the box body, a cover plate is arranged at the top of the box body, an opening is arranged in the middle of the cover plate, a cover body is arranged at the top of the opening, a fan is arranged at the top of the cover body, air pipes are arranged at two side edges of the fan, and odor, and the one end that the tuber pipe was kept away from the fan all extends to the inside bottom of odor removing box.

Preferably, the outer sides of the precipitation bin, the filtration bin and the purification bin are respectively provided with a controller.

Preferably, the outer side edges of the precipitation bin, the filtering bin and the purification bin are respectively embedded with a first transparent glass plate.

Preferably, a second transparent glass plate is embedded and mounted on the outer side edge of the box body.

Preferably, the bottom of the first medicament box and the bottom of the second medicament box are both provided with a fixed supporting plate.

Preferably, the top of the first medicament box and the top of the second medicament box are both provided with medicament inlets.

Preferably, the outer side edges of the first connecting pipe and the second connecting pipe are symmetrically sleeved with fixing sleeves, and the outer side edges of the fixing sleeves are fixedly connected with the filtering bin and the purifying bin respectively.

Preferably, the first rotating rod and the second rotating rod are both provided with a support shaft seat, and two side edges of the support shaft seat are fixedly connected with the first concave interlayer and the second concave interlayer through fixed support rods.

Preferably, the bottom end of the cover plate is provided with a sealing connecting groove matched with the top end of the box body.

Preferably, the top of the odor removing box is provided with a top cover, and the middle of the top cover is provided with a reticular plate.

Compared with the prior art, the invention has the advantages and positive effects that:

1. through deposit the storehouse with cross the filter bin and purify the interact in storehouse, the in-process that carries out the paddy field and breed fish that can be better is handled sewage to be convenient for breed operation that can be better, and then be convenient for can be better satisfy people's user demand.

2. Through the fan with the tuber pipe and go the case of distinguishing flavor of, the cooperation through-hole one with through-hole two and the interact of through-hole three, can be better handle the peculiar smell at the in-process that carries out sewage treatment to make carrying out the work that people can be better, and can not exert an influence to the surrounding environment, and then be convenient for can be better satisfy people's user demand.

3. The invention well solves the problem of better sewage treatment in the rice field fish culture process, so that sewage can be better treated in the rice field fish culture process, normal culture is ensured, peculiar smell is avoided, people can better work, surrounding environment is not affected, and the use requirements of people can be better met.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic diagram of an architecture according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the internal structure of a settling bin according to an embodiment of the invention;

FIG. 3 is a schematic diagram of a top view of a settling bin according to an embodiment of the invention;

FIG. 4 is a schematic diagram of the internal structure of a filter cartridge according to an embodiment of the invention;

FIG. 5 is a schematic cross-sectional view of a hollow filtration membrane according to an embodiment of the present invention;

FIG. 6 is a schematic top view of a filter cartridge according to an embodiment of the invention;

FIG. 7 is a schematic view of the internal structure of the purification bin according to the embodiment of the invention;

FIG. 8 is a schematic top view of a purification cartridge according to an embodiment of the present invention;

fig. 9 is an external configuration diagram according to an embodiment of the present invention.

In the figure:

1. a box body; 2. a settling bin; 3. a filtering bin; 4. a purifying bin; 5. a water inlet pipe; 6. a first water level sensor; 7. a first motor; 8. rotating the first rod; 9. a first stirring rod; 10. a first medicament box; 11. a first connecting valve; 12. a first through hole; 13. a first concave interlayer; 14. a first electromagnetic valve; 15. a first grid screen plate; 16. a pump body I; 17. a first connecting pipe; 18. a water level sensor II; 19. a second through hole; 20. a first filter screen plate; 21. a second filter screen plate; 22. a partition plate; 23. a second electromagnetic valve; 24. a hollow filtration membrane; 25. a support plate; 26. a water outlet joint; 27. a pressure pump; 28. a pump body II; 29. a second connecting pipe; 30. a water level sensor III; 31. a second motor; 32. rotating the second rod; 33. a stirring rod II; 34. a second medicament box; 35. a second connecting valve; 36. a third through hole; 37. a concave interlayer II; 38. a third electromagnetic valve; 39. a second grid screen plate; 40. an ultraviolet lamp tube; 41. an ultraviolet ray generator; 42. a drain pipe; 43. a drain valve; 44. a cover plate; 45. an opening; 46. a cover body; 47. a fan; 48. an air duct; 49. a deodorizing box; 50. a controller; 51. a first transparent glass plate; 52. a second transparent glass plate; 53. fixing the support plate; 54. a medicine inlet; 55. fixing a sleeve; 56. a support shaft seat; 57. sealing the connecting groove; 58. a top cover; 59. a mesh plate.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

The invention is further described with reference to the following figures and specific examples.

In a first embodiment, as shown in fig. 1 to 9, according to the sewage treatment device with odor prevention and controllable flow rate for fish culture in rice fields, the sewage treatment device comprises a box body 1, a precipitation bin 2, a filtration bin 3 and a purification bin 4 are installed inside the box body 1, a water inlet pipe 5 is installed on one side of the top of the precipitation bin 2, one end, far away from the precipitation bin 2, of the water inlet pipe 5 penetrates through and extends to the top end of the side edge of the box body 1, a water level sensor I6 is installed on the top end of one side edge inside the precipitation bin 2, a motor I7 is installed on one side, located on the top of the precipitation bin 2, of the water inlet pipe 5, a rotating rod I8 is installed at the bottom of the motor I7, the bottom end of the rotating rod I8 penetrates through and extends to the inside of the precipitation bin 2, a stirring rod I9 is symmetrically installed on the outer side edge of the rotating rod I8, and a medicament is installed on one The chemical box comprises a box body 10, a connecting valve 11 is installed at the bottom of the chemical box 10, the bottom end of the connecting valve 11 penetrates through and extends to the top end of the interior of the settling bin 2, the top of the settling bin 2 is located on the two sides of the motor 7 and the two sides of the water inlet pipe 5, a plurality of through holes 12 are formed in the two sides of the settling bin 2, a concave interlayer 13 is installed in the settling bin 2 and located below the rotating rod 8, a solenoid valve 14 penetrates through the middle of the concave interlayer 13, a grid screen plate 15 is installed in the settling bin 2 and located below the concave interlayer 13, a pump body 16 is installed on one side of the bottom end of the settling bin 2, a connecting pipe 17 is installed at one end of the pump body 16, and the connecting pipe 17 is far away from one end of the pump body 16 and penetrates through and extends to the middle of the top end of the interior of the filtering bin 3, a water level sensor II 18 is installed at the top end of one side edge inside the filtering bin 3, a plurality of through holes II 19 are formed in the top of the filtering bin 3 and located on two sides of the connecting pipe I17, a filtering screen plate I20 is installed at the top end inside the filtering bin 3, a filtering screen plate II 21 is installed below the filtering screen plate I20, a partition plate 22 is installed below the filtering screen plate II 21, a plurality of electromagnetic valves II 23 are installed on the partition plate 22 in a penetrating mode, hollow filter membranes 24 are installed at the bottoms of the partition plates 22 and located between the electromagnetic valves II 23, a supporting plate 25 is installed at the bottom of each hollow filter membrane 24, a plurality of water outlet connectors 26 are installed at the bottom of the supporting plate 25, the water outlet connectors 26 are connected with the hollow filter membranes 24, and a pressure pump 27 is fixedly installed between the partition plate 22 and the supporting plate 25 and one side edge of the filtering bin 3, which is, just the force pump 27 with the inside intercommunication of crossing filter bin 3, filter bin 3's inside bottom one side and install two 28 of the pump body, just two 28 of the connecting pipe are installed to the one end of the pump body, just two 29 of the connecting pipe are kept away from the one end of two 28 of the pump body runs through and extends to the inside top of purification bin 4, three 30 of level sensor are installed on the inside one side top of purification bin 4, two 31 of motors are installed at the top of purification bin 4 and are located one side of two 29 of connecting pipe, two 32 of dwang are installed to the bottom of two 31 of motors, just the bottom of two 32 of dwang runs through and extends to the inside of purification bin 4, two 33 of stirring rod are installed to the outside limit symmetry of two 32 of dwang, the top of purification bin 4 just is located two 31 of motors keep away from one side of two 29 of connecting pipe is installed with two 34 of medicament case, a second connecting valve 35 is installed at the bottom of the second chemical box 34, the bottom end of the second connecting valve 35 penetrates through and extends to the top end of the interior of the purification bin 4, the top of the purification bin 4 is located on the two vertical sides of the motor 31 and the second connecting pipe 29, a plurality of third through holes 36 are formed in the bottom end of the second connecting valve 35, a second concave interlayer 37 is installed in the purification bin 4 and located below the second rotating rod 32, a third electromagnetic valve 38 is installed in the middle of the second concave interlayer 37 in a penetrating manner, a second grid screen 39 is installed in the purification bin 4 and located below the second concave interlayer 37, an ultraviolet lamp tube 40 is installed below the second grid screen 39, an ultraviolet generator 41 is installed at the bottom end of the filtration bin 3 far away from the purification bin 4, the ultraviolet generator 41 is connected with the ultraviolet lamp tube 40, and a drain pipe 42 is installed at one side edge of the bottom end of the purification bin 4 in a penetrating manner, and the drain pipe 42 is kept away from one side of the purification bin 4 and is installed the drain valve 43, and the drain valve 43 is kept away from one end of the drain pipe 42 and extends to the outside edge of the box 1, through the interaction of the sedimentation bin 2 with the filtration bin 3 and the purification bin 4, the sewage can be better treated in the process of fish culture in the rice field, so that the better cultivation operation can be carried out, and further the use requirements of people can be better met, the cover plate 44 is installed at the top of the box 1, the opening 45 is arranged in the middle of the cover plate 44, the cover body 46 is installed at the top of the opening 45, the fan 47 is installed at the top of the cover body 46, the air pipes 48 are installed on two side edges of the fan 47, the top of the cover plate 44 is positioned on two sides of the cover body 46 and is provided with the odor removing box 49, and the air pipe 48 is kept away from one end of the fan 47 and extends to the inner bottom end of the, through fan 47 with tuber pipe 48 and go bad smell case 49, the cooperation through-hole one 12 with through-hole two 19 and through-hole three 36's interact, can be better handle the peculiar smell at the in-process that carries out sewage treatment to make the work that carries on that people can be better, and can not exert an influence to the surrounding environment, and then be convenient for can be better satisfy people's user demand.

In the second embodiment, as shown in fig. 1, controllers 50 are mounted on the outer sides of the precipitation bin 2, the filtration bin 3 and the purification bin 4, the model of the controller 50 is KY12S, and the controllers 50 are equipped with a display of MAM-26A; the controller 50 can make people better control when in use, thereby being convenient for better meeting the use requirements of people.

In the third embodiment, as shown in fig. 1 and 9, transparent glass plates 51 are embedded and mounted at the outer sides of the precipitation bin 2, the filtration bin 3 and the purification bin 4; a second transparent glass plate 52 is embedded and installed at the outer side edge of the box body 1; through the interaction of the first transparent glass plate 51 and the second transparent glass plate 52, people can look over the transparent glass plate when the transparent glass plate is used, so that the use requirements of people can be better met.

In the fourth embodiment, as shown in fig. 1, 2, 3, 7 and 8, the bottom of the first medicament container 10 and the bottom of the second medicament container 34 are both provided with a fixed support plate 53; the top parts of the first medicament box 10 and the second medicament box 34 are both provided with a medicament inlet 54; through the fixed supporting plate 53 can make the first chemical box 10 and the second chemical box 34 reach better stability, and through the medicine inlet 54, the medicine can be conveniently added by people when in use, so that the use requirements of people can be better met.

In the fifth embodiment, as shown in fig. 1, 2 and 7, fixing sleeves 55 are symmetrically sleeved on the outer sides of the first connecting pipe 17 and the second connecting pipe 29, and the outer sides of the fixing sleeves 55 are fixedly connected to the filter bin 3 and the purification bin 4 respectively; a support shaft seat 56 is arranged at the bottom of the first rotating rod 8 and the bottom of the second rotating rod 32, and two side edges of the support shaft seat 56 are fixedly connected with the first concave interlayer 13 and the inner side edge of the second concave interlayer 37 through fixed support rods respectively; through fixed cover 55 can make connecting pipe 17 with connecting pipe 29 reaches good stability, and through support axle bed 56 then can make dwang 8 with dwang 32 reaches good stability to be convenient for can be better satisfy people's user demand.

In a sixth embodiment, as shown in fig. 1, a sealing connection groove 57 adapted to the top end of the box body 1 is formed at the bottom end of the cover plate 44; through the sealed connecting groove 57, the cover plate 44 can be better connected with the box body 1, so that the peculiar smell removing operation can be better performed, and the use requirements of people can be better met.

In the seventh embodiment, as shown in fig. 1 and 9, top covers 58 are mounted on the tops of the odor removing boxes 49, and a mesh plate 59 is mounted in the middle of each top cover 58; through the top cap 58 with the reticular plate 59 can be to go in the case 49 that removes the flavor liquid and protect, also can ensure the normal operation of giving vent to anger, and then be convenient for can be better satisfy people's user demand.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, firstly, the water inlet pipe 5 is used for feeding sewage into the settling bin 2, then the motor 7 is started, the connecting valve 11 is opened simultaneously, so that the flocculating agent in the chemical box 10 is conveyed into the settling bin 2, then the motor 7 drives the rotating rod 8 and the stirring rod 9 to rotate, so that the flocculating agent and the sewage are fully mixed, the sewage is subjected to pollutant and algae removal through the flocculating agent, then the electromagnetic valve 14 is opened to convey the sewage subjected to pollutant and algae removal to the bottom end of the settling bin 2, the sewage is conveyed into the filtering bin 3 through the pump body 16 and the connecting pipe 29, and the sewage is filtered twice through the filtering screen plate 20 and the filtering screen plate 21 in the filtering bin 3, then the second electromagnetic valve 23 is opened, the sewage after twice filtration is conveyed to a position between the partition plate 22 and the support plate 25, then the second electromagnetic valve 23 is closed, the pressure pump 27 is opened, the pressurization operation is performed in the cavity between the partition plate 22 and the support plate 25, so that the sewage passes through the hollow filter membrane 24 and is conveyed to the bottom end inside the filter bin 3 through the water outlet joint 26, then the filtered water is conveyed to the inside of the purification bin 4 through the second pump body 28 and the second connecting pipe 29, the second connecting valve 35 is opened, so that the disinfectant inside the second medicament box 34 is conveyed to the inside of the purification bin 4, then the second motor 31 is started, the second rotating rod 32 and the second stirring rod 33 are driven to rotate, so that the disinfectant is fully mixed with the filtered water, and a disinfection operation is performed, then the electromagnetic valve III 38 is opened, the water after primary disinfection is conveyed to the bottom end inside the purification bin 4, and secondary disinfection operation is carried out on the water through the ultraviolet generator 41 and the ultraviolet lamp tube 40, so that the water can be sufficiently disinfected and purified; when the water flow is conveyed, due to the interaction of the first water level sensor 6, the second water level sensor 18 and the third water level sensor 30, stable water levels in all the bins can be ensured, and therefore the sewage treatment operation can be better carried out; in the process of sewage treatment, the top of each bin is respectively provided with the first through hole 12, the second through hole 19 and the third through hole 36, and then the interaction of the fan 47, the cover body 46 and the air pipe 48 is matched, so that peculiar smell generated in sewage treatment can be absorbed and conveyed to the bottom end inside the deodorizing box 49, and the peculiar smell is removed through the deodorizing liquid inside the deodorizing box 49; the in-process that makes carrying out paddy field fish culture in the totality, can be better handles sewage to when guaranteeing normal breed, also avoid producing the peculiar smell, make people can be better carry out the work, and can not exert an influence to the environment on every side, and then be convenient for can be better satisfy people's user demand.

The present invention can be easily implemented by those skilled in the art from the above detailed description. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.

Claims

1. The utility model provides a rice field is bred fish with preventing peculiar smell and controllable sewage treatment device of flow which characterized in that, includes box (1), the internally mounted of box (1) has sediment storehouse (2) and filters storehouse (3) and purifying storehouse (4).

2. The sewage treatment device with odor prevention and controllable flow for rice field fish culture according to claim 2, characterized in that a water inlet pipe (5) is installed on one side of the top of the precipitation bin (2), one end of the water inlet pipe (5) far away from the precipitation bin (2) penetrates through and extends to the top of the side edge of the box body (1), a water level sensor (6) is installed on the top of the side edge of the inside of the precipitation bin (2), the top of the precipitation bin (2) is located on one side of the water inlet pipe (5), a motor (7) is installed on one side of the motor (7), a rotating rod (8) is installed on the bottom of the motor (7), the bottom of the rotating rod (8) penetrates through and extends to the inside of the precipitation bin (2), a stirring rod (9) is symmetrically installed on the outer side of the rotating rod (8), the top of the precipitation bin (2) is located on the side of the motor (7) far away from the water inlet pipe (5), and a chemical One (10), a first connecting valve (11) is installed at the bottom of the first chemical box (10), the bottom of the first connecting valve (11) penetrates through and extends to the top end of the interior of the settling bin (2), the top of the settling bin (2) is located, a first motor (7) and two sides of the water inlet pipe (5) are perpendicular to each other, a plurality of first through holes (12) are formed in the two sides of the motor, a first concave interlayer (13) is installed in the interior of the settling bin (2) and located below the first rotating rod (8), a first electromagnetic valve (14) is installed in the middle of the first concave interlayer (13) in a penetrating mode, a first grid mesh plate (15) is installed in the interior of the settling bin (2) and located below the first concave interlayer (13), a first pump body (16) is installed on one side of the bottom end of the settling bin (2), and a first connecting pipe (17) is installed at one end of the, one end of the first connecting pipe (17) far away from the first pump body (16) penetrates through and extends to the middle of the top end of the inside of the first filtering bin (3), a second water level sensor (18) is installed at the top end of one side edge of the inside of the first filtering bin (3), a plurality of second through holes (19) are formed in the top of the first filtering bin (3) and located on two sides of the first connecting pipe (17), a first filtering screen plate (20) is installed at the top end of the inside of the first filtering bin (3), a second filtering screen plate (21) is installed below the first filtering screen plate (20), a partition plate (22) is installed below the second filtering screen plate (21), a plurality of second electromagnetic valves (23) penetrate through the partition plate (22), hollow filter membranes (24) are installed between the second electromagnetic valves (23) at the bottoms of the partition plate (22), and supporting plates (25) are installed at the bottoms of the hollow, a plurality of water outlet connectors (26) are installed at the bottom of the supporting plate (25), the water outlet connectors (26) are connected with the hollow filter membrane (24), the filtering bin (3) is far away from one side of the settling bin (2) and is positioned between the partition plate (22) and the supporting plate (25), a pressure pump (27) is fixedly installed between the pressure pump (27) and the filtering bin (3), the pressure pump (27) is communicated with the inside of the filtering bin (3), a pump body II (28) is installed on one side of the bottom end inside the filtering bin (3), a connecting pipe II (29) is installed at one end of the pump body II (28), one end, far away from the pump body II (28), of the connecting pipe II (29) penetrates through and extends to the top end inside the purifying bin (4), a water level sensor III (30) is installed on the top end of one side of the inside the purifying bin (4), and a motor II (31) is installed on one side, positioned on the connecting pipe II (29), dwang two (32) is installed to the bottom of motor two (31), just the bottom of dwang two (32) runs through and extends to the inside of purification storehouse (4), stirring rod two (33) is installed to the outside limit symmetry of dwang two (32), the top of purification storehouse (4) just is located motor two (31) are kept away from one side of connecting pipe two (29) is installed medicament case two (34), connecting valve two (35) are installed to the bottom of medicament case two (34), just the bottom of connecting valve two (35) runs through and extends to the inside top of purification storehouse (4), the top of purification storehouse (4) just is located motor two (31) with a plurality of through-hole three (36) have all been seted up to connecting pipe two (29) vertically both sides, the inside of purification storehouse (4) just is located concave type two (37) are installed to the below of dwang two (32), and the middle part of the concave interlayer two (37) is provided with a solenoid valve three (38) in a penetrating way, the interior of the purification bin (4) is positioned below the concave interlayer two (37) and is provided with a grid screen plate two (39), an ultraviolet lamp tube (40) is arranged below the grid screen plate two (39), the purification bin (4) is far away from the bottom end of one side of the filtration bin (3) and is provided with an ultraviolet generator (41), the ultraviolet generator (41) is connected with the ultraviolet lamp tube (40), a drain pipe (42) is arranged at one side of the bottom of the purification bin (4) in a penetrating way, a drain valve (43) is arranged at one side of the drain pipe (42) far away from the purification bin (4), one end of the drain pipe (42) far away from the drain valve (43) extends to the outer side of the box body (1), and a cover plate (44) is arranged at the top of the box body, just opening (45) have been seted up at the middle part of apron (44), the cover body (46) is installed at the top of opening (45), fan (47) are installed at the top of the cover body (46), tuber pipe (48) are all installed on the both sides limit of fan (47), the top of apron (44) just is located odor removing box (49) is all installed to the both sides of the cover body (46), just tuber pipe (48) are kept away from the one end of fan (47) all extends to odor removing box (49)'s inside bottom.

3. The sewage treatment device with odor prevention and controllable flow for fish culture in the rice field as claimed in claim 2, wherein the outside edges of the sedimentation bin (2), the filtering bin (3) and the purifying bin (4) are all provided with a controller (50).

4. The sewage treatment device with odor prevention and controllable flow for fish culture in the rice field as claimed in claim 2, wherein the outer side edges of the sedimentation bin (2), the filtering bin (3) and the purifying bin (4) are embedded with a first transparent glass plate (51).

5. The sewage treatment device with odor prevention and controllable flow for fish culture in the rice field as claimed in claim 2, wherein a second transparent glass plate (52) is embedded and installed at the outer side edge of the box body (1).

6. The sewage treatment device with odor prevention and controllable flow rate for fish culture in the rice field as claimed in claim 2, wherein the bottom of the first chemical box (10) and the bottom of the second chemical box (34) are both provided with a fixed support plate (53).