CN113428935A - Aquaculture wastewater treatment device and treatment method thereof - Google Patents

Aquaculture wastewater treatment device and treatment method thereof Download PDF

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Publication number
CN113428935A
CN113428935A CN202110999966.0A CN202110999966A CN113428935A CN 113428935 A CN113428935 A CN 113428935A CN 202110999966 A CN202110999966 A CN 202110999966A CN 113428935 A CN113428935 A CN 113428935A
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CN
China
Prior art keywords
tank body
inner tank
fan blade
mud
sludge
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Granted
Application number
CN202110999966.0A
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Chinese (zh)
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CN113428935B (en
Inventor
张俊岚
张天鹏
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Yantai Taohuadao Water Treatment Engineering Co ltd
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Yantai Taohuadao Water Treatment Engineering Co ltd
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Priority to CN202110999966.0A priority Critical patent/CN113428935B/en
Publication of CN113428935A publication Critical patent/CN113428935A/en
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Publication of CN113428935B publication Critical patent/CN113428935B/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/38Treatment of water, waste water, or sewage by centrifugal separation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/20Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/14Maintenance of water treatment installations

Abstract

The invention discloses an aquaculture wastewater treatment device and a treatment method thereof, and the device comprises a water inlet pipe, an outer tank body and an inner tank body sleeved in the outer tank body, wherein the outer tank body is connected with the inner tank body through threads, a mud storage cavity is formed between the outer tank body and the inner tank body, a first driving motor rotates in a positive direction to drive a first fan blade and a second fan blade to rotate, the first fan blade rotates in a reverse direction and the second fan blade rotates in a positive direction in the rotating process of a transmission shaft due to the fixed position of a planetary gear, the wastewater entering the inner tank body is conveyed upwards in the rotating process of the transmission shaft through the meshing action of a sun gear, the planetary gear and an inner gear ring, the sludge is blocked from moving upwards when the first fan blade rotates, the sludge and the water are forced to be separated due to centrifugation, the separated mud is left between the two fan blades and pushed around by utilizing a speed difference, and is further extruded after the sludge is deposited, the water in the mud is discharged, so that the mud removing efficiency is increased.

Description

Aquaculture wastewater treatment device and treatment method thereof
Technical Field
The invention belongs to the technical field related to wastewater treatment, and particularly relates to an aquaculture wastewater treatment device and a treatment method thereof.
Background
The prior aquaculture wastewater treatment technology has the following problems: traditional aquaculture waste water treatment adopts the mode of natural sedimentation to go on more, and efficiency is lower, needs automatic timely clearance after the mud deposit is full, consumes the manual work, increases the cost of labor, influences the treatment effeciency of waste water simultaneously.
Disclosure of Invention
The invention aims to provide an aquaculture wastewater treatment device and a treatment method thereof, which are used for solving the problems of low natural settling efficiency and labor consumption in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an aquaculture wastewater treatment device, which comprises a water inlet pipe, an outer tank body and an inner tank body sleeved in the outer tank body, the outer tank body is connected with the inner tank body through threads, a mud storage cavity is formed between the outer tank body and the inner tank body, the sludge storage cavity is divided into an annular space and a conical space at the upper part and the lower part, a sludge storage groove for collecting sludge is arranged below the outer tank body, a through hole for one end of the water inlet pipe to pass through is arranged on the sludge storage groove, the other end of the water inlet pipe passes through the outer tank body and is rotationally connected with the inner tank body, the outer wall of the upper end of the outer tank body is communicated with a water outlet pipe for discharging purified water, the upper end of the outer tank body is fixedly connected with a first support, a first fan blade is arranged in the inner tank body, a second fan blade is arranged below the first fan blade, the first support is provided with a second driving mechanism for driving the inner tank body to rotate and move up and down;
the upper end of the inner tank body is fixedly connected with a second support, and a first driving mechanism for driving the first fan blade and the second fan blade to rotate is mounted on the second support;
the inner tank body between the first fan blade and the second fan blade is provided with a slot for discharging muddy water, the muddy water is discharged into the mud storage cavity from the slot through centrifugal fit of the first fan blade and the second fan blade, the lower end of the outer tank body is provided with an opening for discharging the sludge in the mud storage cavity, and a blocking assembly is arranged in the mud storage cavity below the inner tank body;
the lower part of the outer tank body is provided with a conical baffle, the lower part of the conical baffle is provided with a plugging component for opening and closing the opening to discharge sludge, a sensor which triggers and controls the opening to be opened when the plugging component moves upwards is installed on the inner wall of the outer tank body, and the sensor controls the plugging component to open and close the opening through a controller.
Preferably, the second driving mechanism comprises a second driving motor, an output shaft end of the second driving motor is fixedly connected with a driving gear, a gear ring is arranged on the outer wall of the upper end of the inner tank body, and the driving gear is meshed with the gear ring.
Preferably, first actuating mechanism includes a drive motor, a drive motor's output fixedly connected with transmission shaft, the outside cover of transmission shaft is equipped with the sleeve, the upper end fixed connection of sleeve and the inner tank body, first flabellum is installed to telescopic lower extreme, the first flabellum of transmission shaft drive is rotatory, second flabellum and transmission shaft fixed connection, the lower extreme of transmission shaft rotates and is connected with the triangular supports frame, the lower extreme inner wall fixed connection of the triangular supports frame and the inner tank body, the upper end outside rotation of the inner tank body is connected with end face bearing.
Preferably, the first fan blade comprises a blade and a sleeve, the blade is fixed on the outer wall of the sleeve, a plurality of planetary gears are arranged in the sleeve, a sleeve circular table is fixedly arranged on the outer wall of the sleeve, an optical axis corresponding to the plurality of planetary gears is fixedly connected to the lower surface of the sleeve circular table, the other end of the optical axis is rotatably connected with the planetary gears, a sun gear is fixedly arranged on the transmission shaft and meshed with the planetary gears, an inner gear ring is arranged on the inner wall of the sleeve, the planetary gears are meshed with the inner gear ring, and the sleeve is rotatably connected to the sleeve circular table.
Preferably, the blocking component comprises an annular fender, a notch is formed in the annular fender, a guide rod is arranged at the notch, the guide rod is fixedly connected with the inner wall of the lower end of the outer tank body, the annular fender is connected with the guide rod in a sliding mode, a plurality of bosses are fixedly arranged at the outer edge of the lower end of the inner tank body, and external threads matched with the annular fender in a threaded mode are arranged on the lower portion of the outer side wall of the inner tank body and the bosses.
Preferably, the lower end face of the inner tank body is also fixedly connected with a plurality of mud scrapers.
Preferably, the plugging assembly comprises a spring, a first electromagnet and a second electromagnet, the first electromagnet is fixed at the lower end of the conical baffle, the second electromagnet is fixedly sleeved on the outer wall of the water inlet pipe, one end of the spring is fixedly connected with the first electromagnet, and the other end of the spring is fixedly connected with the second electromagnet.
An aquaculture wastewater treatment method comprises the following steps:
the method comprises the following steps: adding wastewater, wherein the wastewater enters the inner tank body from the water inlet pipe, the first driving motor rotates in a forward direction to drive the first fan blade and the second fan blade to rotate through the transmission shaft, and the planetary gear is fixed in position, so that the first fan blade can rotate in a reverse direction and the second fan blade rotates in a forward direction under the meshing action of the sun gear, the planetary gear and the inner gear ring in the rotating process of the transmission shaft, and the rotating speed of the first fan blade is lower than that of the second fan blade;
step two: separating mud and water, wherein the waste water entering the inner tank body is conveyed upwards when the second fan blade rotates, the sludge is prevented from being conveyed upwards when the first fan blade rotates, the mud and water can be forced to be separated due to centrifugation, and the separated mud can be concentrated between the first fan blade and the second fan blade and then flows to a mud storage cavity between the inner tank body and the outer tank body through the opening groove in the middle of the inner tank body because the rotating speed of the first fan blade is lower than that of the second fan blade;
step three: the muddy water is extruded, after the muddy water in the mud storage cavity is accumulated to a certain degree, the second driving motor rotates in a positive direction and drives the inner tank body to rotate through the driving gear, the inner tank body moves downwards relative to the outer tank body through thread matching in the rotating process to extrude the muddy water at the bottom of the outer tank body, part of water in the muddy water is extruded into an annular space between the outer tank body and the inner tank body, and the water in the annular space can be discharged through the water outlet pipe;
step four: the sealing slot is formed, when the inner tank body descends to a certain degree, the boss on the lower end face of the inner tank body is in contact with the annular fender, the annular fender is lifted through thread matching at the moment, the mud storage cavity at the bottom of the outer tank body is sealed, and waste water and mud cannot enter the mud storage cavity at the bottom of the outer tank body;
step five: discharging sludge, triggering a sensor when the annular fender rises to a certain height, controlling the first electromagnet and the second electromagnet to work through a controller by the sensor, attracting each other, wherein the attraction force is larger than the elastic force of a spring at the moment, so that the conical baffle descends, the sludge flows out from the opening at the lower end of the outer tank body, the inner tank body still rotates at the moment, and simultaneously, a sludge scraping plate at the bottom of the inner tank body is driven to scrape the sludge;
step six: the opening is sealed, when sludge in the sludge storage cavity completely flows out, the second driving motor works in a reverse rotation mode, so that the inner tank body is driven to rotate in a reverse direction, the annular fender descends while the inner tank body gradually rises, the sensor controls the first electromagnet and the second electromagnet to stop working through the controller, and the conical baffle is ejected upwards through the elastic force of the spring;
step seven: and (5) repeatedly cleaning, stopping working of the second driving motor after the inner tank body rises to the initial height, restarting the second driving motor after the mud is accumulated to a certain degree, and repeating the processes from the first step to the sixth step.
Compared with the prior aquaculture wastewater treatment technology, the invention provides an aquaculture wastewater treatment device and a treatment method thereof, and the device has the following beneficial effects:
1. the first fan blade and the second fan blade are driven to rotate by the forward rotation of the first driving motor, the planetary gear is fixed in position, the first fan blade can rotate in the reverse direction under the meshing action of the sun gear, the planetary gear and the inner gear ring in the rotating process of the transmission shaft, the second fan blade rotates in the forward direction, the waste water entering the inner tank body is conveyed upwards through the rotation of the second fan blade, the waste water is prevented from being conveyed upwards when the first fan blade rotates, mud and water are forced to be separated due to centrifugation, the separated mud is left between the two fan blades and pushed around by utilizing the speed difference, the mud is further extruded after being deposited, the moisture in the mud is discharged, and the mud removal efficiency is increased.
2. According to the invention, the annular mud guard is arranged in the mud storage cavity, when the inner tank body rotates downwards, the annular mud guard vertically moves upwards through the threaded relation between the inner tank body and the annular mud guard as well as the limit of the guide rod on the annular mud guard, so that the groove can be blocked, mud water is prevented from continuously entering the mud storage cavity, the lower end surface of the inner tank body is fixedly connected with the plurality of mud scraping plates, and when the inner tank body approaches the bottom wall of the mud storage cavity, the mud collected at the bottom can be scraped by the mud scraping plates under the rotation action of the inner tank body, so that the mud is discharged along the lower end opening.
3. According to the invention, the sensor for opening and closing the plugging component is arranged on the inner wall of the upper end of the outer tank body and is positioned at the tail end of the traveling path of the annular fender, when the annular fender moves upwards, the sensor can be triggered, so that the first electromagnet and the second electromagnet start to work, the conical baffle can be pulled downwards through mutual attraction of the magnetic force between the first electromagnet and the second electromagnet, the opening at the lower end of the outer tank body is opened, sludge in the sludge storage cavity is automatically discharged, and the sludge cleaning efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
FIG. 1 is a schematic view of the overall cross-sectional structure of an aquaculture wastewater treatment plant according to the present invention;
FIG. 2 is a schematic view of a first fan blade according to the present invention;
FIG. 3 is a partial view of the annular fender and the bottom boss of the inner tank according to the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 1 according to the present invention;
fig. 5 is a schematic diagram of a partial enlarged structure at B in fig. 1 according to the present invention.
In the figure: 1. an outer tank body; 2. an inner tank body; 3. a mud scraper; 4. a first electromagnet; 5. a conical baffle; 6. a spring; 7. a second electromagnet; 8. a water inlet pipe; 9. a sludge storage tank; 10. a water outlet pipe; 11. a guide bar; 12. a second fan blade; 13. a first fan blade; 14. an end face bearing; 15. a driving gear; 16. a second drive motor; 17. a first drive motor; 18. a ring gear; 19. a planetary gear; 20. a sun gear; 21. a sleeve; 22. a drive shaft; 23. a sleeve circular table; 24. an inner gear ring; 25. an optical axis; 26. an annular fender; 27. and (4) a boss.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: an aquaculture wastewater treatment device comprises a water inlet pipe 8, an outer tank body 1 and an inner tank body 2 sleeved in the outer tank body 1, wherein the outer tank body 1 is connected with the inner tank body 2 through threads, a sludge storage cavity is formed between the outer tank body 1 and the inner tank body 2 and is divided into an annular space and a conical space of an upper part and a lower part, a sludge storage groove 9 for collecting sludge is arranged below the outer tank body 1, a through hole for allowing one end of the water inlet pipe 8 to pass through is formed in the sludge storage groove 9, the other end of the water inlet pipe 8 passes through the outer tank body 1 and is rotatably connected with the inner tank body 2, a water outlet pipe 10 for discharging purified water is communicated on the outer wall of the upper end of the outer tank body 1, a first support is fixedly connected with the upper end of the outer tank body 1, a first fan blade 13 is arranged in the inner tank body 2, the first fan blade 13 comprises a blade and a sleeve, the blade is fixed on the outer wall of the sleeve, a plurality of planet gears 19 are arranged in the sleeve, the lower surface of the sleeve circular truncated cone 23 is fixedly connected with an optical axis 25 corresponding to the plurality of planet gears 19, the other end of the optical axis 25 is rotatably connected with the planet gears 19, a sun gear 20 is fixedly arranged on the transmission shaft 22, the sun gear 20 is meshed with the planet gears 19, an inner gear ring 24 is arranged on the inner wall of the sleeve, the planet gears 19 are meshed with the inner gear ring 24, the transmission shaft 22 is driven to rotate through a first driving motor 17, and then the second fan blades 12 on the transmission shaft 22 are driven to rotate synchronously, and meanwhile, the first fan blades 13 are enabled to move reversely relative to the second fan blades 12 through the meshed relation of the sun gear 20, the planet gears 19 and the inner gear ring 24.
It should be noted that the sleeve is rotatably connected to the sleeve circular truncated cone 23, the second fan blade 12 is arranged below the first fan blade 13, the first support is provided with a second driving mechanism for driving the inner tank 2 to rotate and move up and down, the second driving mechanism comprises a second driving motor 16, the output shaft end of the second driving motor 16 is fixedly connected with a driving gear 15, the outer wall of the upper end of the inner tank 2 is provided with a gear ring 18, the driving gear 15 is meshed with the gear ring 18, the second driving motor 16 drives the driving gear 15 to rotate, the inner tank 2 is rotated by the meshing relationship between the driving gear 15 and the gear ring 18, and the inner tank 2 can rotate and move up and down in the outer tank 1 by the thread relationship between the inner tank 2 and the outer tank 1.
It is worth understanding that, the upper end fixedly connected with support two of the inner tank body 2, install on the support two and be used for driving first flabellum 13 and second flabellum 12 pivoted first actuating mechanism, first actuating mechanism includes first driving motor 17, first driving motor 17's output fixedly connected with transmission shaft 22, transmission shaft 22's outside cover is equipped with sleeve 21, sleeve 21 and inner tank body 2's upper end fixed connection, first flabellum 13 is installed to sleeve 21's lower extreme, transmission shaft 22 drives first flabellum 13 rotatory, second flabellum 12 and transmission shaft 22 fixed connection, transmission shaft 22's lower extreme rotates and is connected with the triangular supports frame, the lower extreme inner wall fixed connection of triangular supports frame and inner tank body 2, the upper end outside of inner tank body 2 rotates and is connected with end face bearing 14.
It should be noted that, the inner tank 2 between the first fan blade 13 and the second fan blade 12 is provided with a slot for discharging mud water, mud water is discharged into the mud storage cavity from the slot through the centrifugal fit of the first fan blade 13 and the second fan blade 12, the lower end of the outer tank 1 is provided with an opening for discharging mud in the mud storage cavity, the mud storage cavity below the inner tank 2 is provided with a blocking component, the blocking component comprises an annular mud guard 26, the annular mud guard 26 is provided with a notch, the notch is provided with a guide rod 11, the guide rod 11 is fixedly connected with the inner wall of the lower end of the outer tank 1, the annular mud guard 26 is slidably connected with the guide rod 11, the outer edge of the lower end of the inner tank 2 is fixedly provided with a plurality of bosses 27, the lower part of the outer side wall of the inner tank 2 and the bosses 27 are provided with external threads matched with the mud guard 26 in a threaded manner, the lower end face of the inner tank 2 is also fixedly connected with a plurality of mud scraping plates 3, when the inner tank body 2 is doing rotary motion downwards, because the annular fender 26 is spacing through guide bar 11, through the screw thread relation of the inner tank body 2 and boss 27 with annular fender 26, make the vertical upward motion of annular fender 26, and then can block the fluting, prevent that muddy water from continuing to get into and store up in the mud cavity, the lower terminal surface of the inner tank body 2 still fixedly connected with a plurality of mud scraping plate 3, when the inner tank body 2 is being close to the diapire that stores up the mud cavity, can strike off the mud of bottom gathering through mud scraping plate 3, make mud discharge along the lower extreme opening.
It is clear that a conical baffle 5 is arranged below an outer tank body 1, a plugging component for opening and closing an opening to discharge sludge is arranged below the conical baffle 5, the plugging component comprises a spring 6, a first electromagnet 4 and a second electromagnet 7, the first electromagnet 4 is fixed at the lower end of the conical baffle 5, the second electromagnet 7 is fixedly sleeved on the outer wall of a water inlet pipe 8, one end of the spring 6 is fixedly connected with the first electromagnet 4, the other end of the spring 6 is fixedly connected with the second electromagnet 7, a sensor for triggering and controlling the opening to be opened in the process of moving the plugging component upwards is arranged on the inner wall of the outer tank body, the sensor controls the plugging component to open and close the opening through a controller, when an annular fender 26 moves upwards, the sensor can be triggered, and the sensor enables the first electromagnet 4 and the second electromagnet 7 to start to work through the controller, through the mutual attraction of the magnetic force between the first electromagnet 4 and the second electromagnet 7, the conical baffle 5 can be pulled downwards, so that the lower end opening of the outer tank body 1 is opened, and sludge in the sludge storage cavity is discharged.
An aquaculture wastewater treatment method comprises the following steps:
the method comprises the following steps: adding wastewater, wherein the wastewater enters the inner tank body 2 from the water inlet pipe 8, the first driving motor 17 rotates positively and drives the first fan blade 13 and the second fan blade 12 to rotate through the transmission shaft 22, and because the position of the planetary gear 19 is fixed, the first fan blade 13 can rotate reversely and the second fan blade 12 rotates positively in the process of rotating the transmission shaft 22 through the meshing action of the sun gear 20, the planetary gear 19 and the inner gear ring 24, and meanwhile, the rotating speed of the first fan blade 13 is lower than that of the second fan blade 12;
step two: separating mud and water, wherein the wastewater entering the inner tank body 2 is conveyed upwards when the second fan blade 12 rotates, the sludge is prevented from being conveyed upwards when the first fan blade 13 rotates, the mud and water can be forced to be separated due to centrifugation, and the separated mud can be concentrated between the first fan blade 13 and the second fan blade 12 because the rotating speed of the first fan blade 13 is lower than that of the second fan blade 12 and then flows to a mud storage cavity between the inner tank body 1 and the outer tank body 1 through a slot in the middle of the inner tank body 2;
step three: the muddy water is extruded, after the muddy water in the mud storage cavity is accumulated to a certain degree, the second driving motor 16 rotates in a positive rotation mode, the driving gear 15 drives the inner tank body 2 to rotate, the inner tank body 2 moves downwards relative to the outer tank body 1 through thread matching in the rotating process, the muddy water at the bottom of the outer tank body 1 is extruded, part of water in the muddy water is extruded into an annular space between the outer tank body 1 and the inner tank body 2, and the water in the annular space can be discharged through the water outlet pipe 10;
step four: the blocking slot is formed, when the inner tank body 2 descends to a certain degree, the boss 27 on the lower end face of the inner tank body 2 is in contact with the annular mudguard 26, at the moment, the annular mudguard 26 ascends through thread matching, the mud storage cavity at the bottom of the outer tank body 1 is sealed, and waste water and mud cannot enter the mud storage cavity at the bottom of the outer tank body 1;
step five: when the annular mud guard 26 rises to a certain height, the sensor is triggered, the sensor controls the first electromagnet 4 and the second electromagnet 7 to work through the controller, the first electromagnet and the second electromagnet attract each other, the attraction force is larger than the elastic force of the spring 6 at the moment, so that the conical baffle 5 descends, sludge flows out from the opening at the lower end of the outer tank body 1, the inner tank body 2 still rotates at the moment, and meanwhile, the mud scraper 3 at the bottom of the inner tank body 2 is driven to scrape the sludge;
step six: the opening is sealed, when the sludge in the sludge storage cavity completely flows out, the second driving motor 16 rotates reversely to work, so that the inner tank body 2 is driven to rotate reversely, the annular mudguard 26 descends while the inner tank body 2 gradually ascends, the sensor controls the first electromagnet 4 and the second electromagnet 7 to stop working through the controller, and the conical baffle 5 is ejected upwards through the elastic force of the spring 6;
step seven: and (5) repeatedly cleaning, stopping the second driving motor 16 after the inner tank body 2 rises to the initial height, restarting the second driving motor 16 after the mud is accumulated to a certain degree, and repeating the processes from the first step to the sixth step.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides an aquaculture effluent treatment plant, includes inlet tube (8), the outer jar of body (1) to and the cover is established and is established the inner tank body (2) of the outer jar of body (1) inside, its characterized in that: the outer tank body (1) is connected with the inner tank body (2) through threads, a mud storage cavity is formed between the outer tank body (1) and the inner tank body (2), the mud storage cavity is divided into an annular space and a conical space at the upper part and the lower part, a mud storage groove (9) for collecting mud is arranged below the outer tank body (1), a through hole for one end of the water inlet pipe (8) to pass through is arranged on the sludge storage groove (9), the other end of the water inlet pipe (8) penetrates through the outer tank body (1) and is rotationally connected with the inner tank body (2), the outer wall of the upper end of the outer tank body (1) is communicated with a water outlet pipe (10) for discharging purified water, the upper end of the outer tank body (1) is fixedly connected with a first bracket, the inner tank body (2) is internally provided with a first fan blade (13), a second fan blade (12) is arranged below the first fan blade (13), and a second driving mechanism for driving the inner tank body (2) to rotate and move up and down is mounted on the first support;
the upper end of the inner tank body (2) is fixedly connected with a second support, and a first driving mechanism for driving the first fan blade (13) and the second fan blade (12) to rotate is mounted on the second support;
an opening for discharging muddy water is formed in the inner tank body (2) between the first fan blade (13) and the second fan blade (12), the muddy water is discharged into the mud storage cavity from the opening through centrifugal fit of the first fan blade (13) and the second fan blade (12), an opening for discharging the sludge in the mud storage cavity is formed in the lower end of the outer tank body (1), and a blocking assembly is arranged in the mud storage cavity below the inner tank body (2);
the utility model discloses a mud filter, including outer jar of body (1), the below of outer jar of body (1) is provided with toper baffle (5), the below of toper baffle (5) is provided with and is used for the switching opening to make mud exhaust shutoff subassembly, install on the inner wall of the outer jar of body (1) and moving up the sensor that in-process trigger control made the opening open when the shutoff subassembly, the sensor passes through controller control shutoff subassembly and realizes opening and closing the open-ended.
2. The aquaculture wastewater treatment apparatus of claim 1, wherein: the second driving mechanism comprises a second driving motor (16), an output shaft of the second driving motor (16) is fixedly connected with a driving gear (15), a gear ring (18) is arranged on the outer wall of the upper end of the inner tank body (2), and the driving gear (15) is meshed with the gear ring (18).
3. The aquaculture wastewater treatment apparatus of claim 1, wherein: first actuating mechanism includes first driving motor (17), output fixedly connected with transmission shaft (22) of first driving motor (17), the outside cover of transmission shaft (22) is equipped with sleeve (21), the upper end fixed connection of sleeve (21) and the inner tank body (2), first flabellum (13) are installed to the lower extreme of sleeve (21), transmission shaft (22) drive first flabellum (13) rotatory, second flabellum (12) and transmission shaft (22) fixed connection, the lower extreme of transmission shaft (22) is rotated and is connected with the triangular supports frame, the lower extreme inner wall fixed connection of triangular supports frame and inner tank body (2), the upper end outside rotation of the inner tank body (2) is connected with end face bearing (14).
4. An aquaculture wastewater treatment plant according to claim 3, characterized in that: first flabellum (13) include blade and sleeve pipe, the blade is fixed on the sheathed tube outer wall, be provided with a plurality of planetary gear (19) in the sleeve pipe, the fixed sleeve round platform (23) that is provided with on the outer wall of sleeve (21), the lower fixed surface of sleeve round platform (23) is connected with optical axis (25) corresponding with a plurality of planetary gear (19), the other end and the planetary gear (19) of optical axis (25) rotate to be connected, fixed sun gear (20) that is provided with on transmission shaft (22), sun gear (20) mesh with planetary gear (19) mutually, be equipped with ring gear (24) on the sheathed tube inner wall, planetary gear (19) mesh mutually with ring gear (24), the sleeve pipe rotates to be connected on sleeve round platform (23).
5. The aquaculture wastewater treatment apparatus of claim 1, wherein: the fender subassembly includes annular fender (26), the breach has been seted up on annular fender (26), breach department is equipped with guide bar (11), guide bar (11) and the outer jar of body (1) lower extreme inner wall fixed connection, annular fender (26) and guide bar (11) sliding connection, the fixed a plurality of boss (27) that is provided with of lower extreme off-plate edge department of the inner tank body (2), be equipped with on the lateral wall lower part of the inner tank body (2) and boss (27) with annular fender (26) screw-thread fit's external screw thread.
6. The aquaculture wastewater treatment apparatus of claim 5, wherein: the lower end surface of the inner tank body (2) is also fixedly connected with a plurality of mud scrapers (3).
7. The aquaculture wastewater treatment apparatus of claim 1, wherein: the plugging assembly comprises a spring (6), a first electromagnet (4) and a second electromagnet (7), wherein the first electromagnet (4) is fixed at the lower end of the conical baffle (5), the second electromagnet (7) is fixedly sleeved on the outer wall of the water inlet pipe (8), one end of the spring (6) is fixedly connected with the first electromagnet (4), and the other end of the spring (6) is fixedly connected with the second electromagnet (7).
8. An aquaculture wastewater treatment method is characterized by comprising the following steps:
the method comprises the following steps: adding wastewater, wherein the wastewater enters the inner tank body (2) from the water inlet pipe (8), the first driving motor (17) rotates positively and works, the first fan blade (13) and the second fan blade (12) are driven to rotate through the transmission shaft (22), and because the planetary gear (19) is fixed in position, the first fan blade (13) can rotate reversely and the second fan blade (12) rotates positively in the process of rotating the transmission shaft (22) through the meshing action of the sun gear (20), the planetary gear (19) and the inner gear ring (24), and meanwhile, the rotating speed of the first fan blade (13) is lower than that of the second fan blade (12);
step two: sludge-water separation, wherein the wastewater entering the inner tank body (2) is conveyed upwards when the second fan blade (12) rotates, the sludge is prevented from being conveyed upwards when the first fan blade (13) rotates, the sludge-water separation can be forced due to centrifugation, and the separated sludge can be concentrated between the first fan blade (13) and the second fan blade (12) because the rotating speed of the first fan blade (13) is lower than that of the second fan blade (12), and then flows to a sludge storage cavity between the inner tank body (1) and the outer tank body (2) through a slot in the middle of the inner tank body;
step three: the muddy water is extruded, after the muddy water in the mud storage cavity is accumulated to a certain degree, the second driving motor (16) rotates positively and drives the inner tank body (2) to rotate through the driving gear (15), the inner tank body (2) moves downwards relative to the outer tank body (1) through thread fit in the rotating process, the muddy water at the bottom of the outer tank body (1) is extruded, part of water in the muddy water is extruded into an annular space between the outer tank body (1) and the inner tank body (2), and the water in the annular space can be discharged through the water outlet pipe (10);
step four: the blocking slot is formed, when the inner tank body (2) descends to a certain degree, the boss (27) on the lower end face of the inner tank body (2) is in contact with the annular mudguard (26), the annular mudguard (26) is lifted through thread matching at the moment, the mud storage cavity at the bottom of the outer tank body (1) is sealed, and waste water and mud cannot enter the mud storage cavity at the bottom of the outer tank body (1);
step five: the method comprises the steps that sludge is discharged, when the annular fender (26) rises to a certain height, a sensor is triggered, the sensor controls a first electromagnet (4) and a second electromagnet (7) to work through a controller, the first electromagnet and the second electromagnet attract each other, the attraction force is larger than the elastic force of a spring (6) at the moment, so that a conical baffle (5) descends, the sludge flows out from an opening at the lower end of an outer tank body (1), at the moment, an inner tank body (2) still rotates, and a sludge scraping plate (3) at the bottom of the inner tank body (2) is driven to scrape the sludge;
step six: the opening is sealed, when sludge in the sludge storage cavity completely flows out, the second driving motor (16) works in a reverse rotation mode, so that the inner tank body (2) is driven to rotate in a reverse direction, the annular mud guard (26) descends while the inner tank body (2) gradually rises, the sensor controls the first electromagnet (4) and the second electromagnet (7) to stop working through the controller, and the conical baffle (5) is ejected upwards under the elastic force action of the spring (6);
step seven: and (5) repeatedly cleaning, stopping the second driving motor (16) after the inner tank body (2) rises to the initial height, restarting the second driving motor (16) after the mud is accumulated to a certain degree, and repeating the processes from the first step to the sixth step.
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