A wastewater filtering and treatment device for aquaculture

Abstract

The invention discloses a wastewater filtering and treating device for aquaculture, which relates to the technical field of wastewater treatment, and comprises a frame seat, a filter tank is arranged above the frame seat, a pair of brackets are fixedly installed between the top of the filter tank and the frame seat, a primary filtering assembly is arranged on one side of the filter tank, and a secondary filtering assembly is arranged below the filter tank; the primary filtering assembly comprises a rotating column arranged on one side of the filter tank, and a filter disc is fixedly installed on a section of the outer peripheral wall of the rotating column, a plurality of fan-shaped notches distributed at equal distances are provided in the filter disc, and one end of each fan-shaped notch is connected to a filter plate by a hinge, and a notch that slidably cooperates with the filter disc is provided on one side of the filter tank; the invention can quickly connect the filter plate and the filter cavity, and automatically clean up impurities on the filter plate, and at the same time, automatically discharge unusable filter cotton, so that wastewater treatment is more efficient and convenient, and personnel only need to add filter cotton regularly during the whole process.

Description

Technical Field

[0001] The invention relates to the technical field of wastewater treatment, in particular to a wastewater filtering and treatment device for aquaculture. Background Art

[0002] Aquaculture wastewater usually contains a large amount of large particle impurities, such as feed residues, fish excrement, etc. If these impurities are discharged directly without filtering, they will pollute the water environment and affect the water quality. Therefore, aquaculture wastewater needs to be filtered and treated.

[0003] After searching, the Chinese patent with the announcement number CN219231667U discloses a wastewater filtering and treating device for aquaculture, including a shell, a water injection port is provided at the outer top of the shell, a water outlet is provided at the outer bottom of the shell, a bracket is fixedly connected to the outer bottom of the shell, a filtering mechanism is provided on the upper surface of the shell, a cleaning mechanism is provided on the outer surface of the shell, a sewage pipe is fixedly connected to the lower surface of the filtering mechanism, and a sealing mechanism is provided on the outer surface of the sewage pipe. The wastewater filtering and treating device for aquaculture, through the arrangement of a driving motor, a filter frame, a filter net, a fixing bolt and a conical net, when in use, firstly starts the driving motor, the driving motor drives the filter frame to rotate, and impurities are left on the filter net and the conical net or the inner bottom of the conical net. When the filter net is damaged, only the damaged filter net needs to be found and the fixing bolts are unscrewed to replace the filter net, and the entire filter frame does not need to be replaced, so as to prevent waste of resources.

[0004] Based on the above search and combined with the prior art, it is found that: the current filtering structure is generally arranged inside the filtering device, which is limited by the device shell, which makes the replacement and maintenance of the filtering structure more inconvenient; at the same time, due to the lack of a prepared filtering structure design, it is often impossible to quickly connect during replacement and maintenance, resulting in low efficiency in replacement and maintenance of the filtering structure. In severe cases, it is necessary to shut down the device, so there are limitations. Summary of the invention

[0005] The object of the present invention is to provide a wastewater filtering and treating device for aquaculture to solve the problems raised in the above-mentioned background technology.

[0006] The technical solution of the present invention is: a wastewater filtering and treating device for aquaculture, comprising a frame seat, a filter tank is arranged above the frame seat, a pair of brackets are fixedly installed between the top of the filter tank and the frame seat, a primary filtering component is arranged on one side of the filter tank, and a secondary filtering component is arranged below the filter tank;

[0007] The preliminary filtering assembly includes a rotating column arranged on one side of the filter tank, and a filter disc is fixedly installed on a section of the outer peripheral wall of the rotating column, a plurality of fan-shaped notches distributed at equal distances are opened in the filter disc, and one end of each fan-shaped notch is connected to a filter plate through a hinge, a notch is opened on one side of the filter tank to slide with the filter disc, and a C-shaped frame is fixedly installed in the filter tank to slide with the bottom of the filter disc;

[0008] The secondary filter assembly includes a material changing belt arranged between the frame seat and the filter tank, and the material changing belt is provided with evenly distributed water drop holes;

[0009] A side mounting bracket is fixedly installed on the top of the frame seat, and a slider is slidably installed on the side mounting bracket, and a vibration spring is fixedly connected between the two ends of the bottom of the slider and the frame seat, a conduction frame is fixedly connected to one side of the slider, an end ball is fixedly set on the top of the conduction frame, and a knocking rod is fixedly set on the other end of the conduction frame.

[0010] Preferably, a plurality of equidistantly distributed transverse partitions are fixedly mounted on the material changing belt, and rubber ribs are fixedly provided on both sides of the material changing belt. A plurality of filter cavities are formed between the rubber ribs, the material changing belt and the transverse partitions, and filter cottons are placed in the plurality of filter cavities.

[0011] Preferably, the two ends of the C-shaped frame located outside the filter tank are respectively fixedly connected with a folding rod and an inclined rod, and the ends of the folding rod and the inclined rod are fixedly connected to the outer peripheral wall of the filter tank with a supporting connecting rod.

[0012] Preferably, a mounting block is fixed on one side of the outer peripheral wall of the filter tank, and the mounting block is rotatably connected to the side mounting bracket and the rotating column, a worm gear is fixedly mounted on one end of the rotating column close to the bottom, and a worm is rotatably mounted on the side mounting bracket.

[0013] Preferably, the worm and the worm wheel are meshed with each other, and the lead angle between the worm and the worm wheel is smaller than the friction angle.

[0014] Preferably, two pairs of support rods are fixedly installed on the top of the frame seat, and a tensioning roller is rotatably installed between each pair of support rods, and the material changing belt tensioning sleeve is arranged on the outside of the two tensioning rollers.

[0015] Preferably, a support plate is fixedly installed on the top of the frame seat, one side of the support plate is fixedly connected to the adjacent support rod, a drive motor is fixedly installed on the support plate, the output shaft of the drive motor is fixedly connected to the adjacent tensioning roller, and a transmission belt is commonly provided between the worm gear and the adjacent tensioning roller.

[0016] Preferably, a pair of side support rods are fixedly installed on one side of the frame seat, and a mounting rotating rod is rotatably provided between the pair of side support rods and one of the pair of support rods, and a material connecting belt is sleeved on the two mounting rotating rods, and a transmission belt 2 is commonly sleeved between one of the tensioning rollers and the adjacent mounting rotating rod.

[0017] Preferably, the top of the filter tank is fixedly connected to a flange pipe, and the bottom end of the filter tank is detachably fixedly connected to a liquid separation box.

[0018] Preferably, a water receiving box is provided at the middle end of the material exchange belt, and a plurality of support columns distributed at equal distances are fixedly connected between the two sides of the water receiving box and the frame seat, micro-nano bubble aerators are fixedly installed on both sides of the top of the frame seat near the water receiving box, and the output end of the micro-nano bubble aerator is fixedly connected to a plurality of inflation pipes, the other end of the inflation pipe extends to the inside of the water receiving box, and a plurality of drainage pipes are fixedly connected to one side of the water receiving box.

[0019] The present invention provides an aquaculture wastewater filtering and treatment device by improvement, which has the following improvements and advantages compared with the prior art:

[0020] First, the filter plate provided in the present invention is used to filter the wastewater entering the filter tank. At the same time, when the rotating column rotates, it can drive multiple filter plates to rotate, thereby realizing rapid switching of the filter plates. At the same time, during the process of replacing the filter plates, there is no need to stop the machine, thereby ensuring the filtering efficiency of the wastewater;

[0021] Second, when the rotating column rotates and the corresponding filter plate rotates to the opening position of the C-shaped frame, the filter plate can swing downward under the action of gravity and hit the end ball below. With the vibration spring, the slider and the conductive frame can vibrate in the vertical direction, and the knocking rod can be used to continuously beat the material changing belt to make the filter cotton on the material changing belt fall off; when the filter plate knocks the end ball, the filter plate will also vibrate due to the reaction force. At the same time, the filter plate is in an inclined state, so that the impurities on the surface of the filter plate can be automatically cleaned;

[0022] Thirdly, when the material changing belt rotates, the present invention can move multiple filter chambers to the bottom of the filter tank in sequence, so as to achieve the connection and replacement of the filter material. At the same time, there is no need to stop the machine during the whole process. In addition, the filter chamber on the material changing belt is directly placed outside, so that the addition of filter cotton is also very convenient.

[0023] In summary, the present invention can quickly connect the filter plate and the filter chamber, and automatically clean the impurities on the filter plate. At the same time, it can automatically discharge the unusable filter cotton, making wastewater treatment more efficient and convenient. During the whole process, personnel only need to add filter cotton regularly. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 It is a schematic diagram of the overall first-view stereoscopic structure of the present invention;

[0026] Figure 2 It is a schematic diagram of the overall second viewing angle stereoscopic structure of the present invention;

[0027] Figure 3 It is a schematic diagram of the main structure of the present invention;

[0028] Figure 4 It is a schematic diagram of the partial cutaway structure of the present invention;

[0029] Figure 5 It is a schematic diagram of the three-dimensional structure of the filter disc of the present invention;

[0030] Figure 6 For the present invention Figure 5 The enlarged structural diagram at A in the middle;

[0031] Figure 7 It is a schematic diagram of the three-dimensional structure of the water receiving box of the present invention;

[0032] Figure 8 It is a schematic diagram of the three-dimensional structure of the material changing belt of the present invention;

[0033] Fig. 9 It is a schematic diagram of the three-dimensional structure of the knocking rod and the sliding block of the present invention.

[0034] Reference numerals:

[0035] 1. Frame seat; 101. Support rod; 102. Side support rod; 2. Filter tank; 201. Bracket; 202. Flange pipe; 3. Filter plate; 301. Sector notch; 302. Filter plate; 4. Rotating column; 401. Mounting block; 402. Worm gear; 403. Worm; 5. Support plate; 501. Drive motor; 6. Side mounting bracket; 601. Slider; 602. Vibration spring; 603. Conducting frame; 604. End ball; 605. Knocking rod; 7. Material changing belt; 701. Drain hole; 702. Transverse partition; 703. Rubber rib; 704. Tensioning roller; 8. Water receiving tank; 801. Support column; 802. Micro-nano bubble aerator; 803. Inflatable tube; 804. Drain pipe; 9. Transmission belt one; 10. Transmission belt two; 11. Install rotating rod; 12. Material receiving belt; 13. Liquid separation box; 14. C-shaped frame; 15. Diagonal rod; 16. Folding rod; 17. Support connecting rod. DETAILED DESCRIPTION

[0036] The present invention is described in detail below, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] The present invention provides an improved aquaculture wastewater filtering and treatment device. The technical solution of the present invention is:

[0038] like Figures 1 to 9 As shown, an embodiment of the present invention provides a wastewater filtering and treatment device for aquaculture, including a frame seat 1, a filter tank 2 is arranged above the frame seat 1, a pair of brackets 201 are fixedly installed between the top of the filter tank 2 and the frame seat 1, a primary filter component is arranged on one side of the filter tank 2, and a secondary filter component is arranged below the filter tank 2; the primary filter component is arranged to filter larger impurities in the wastewater; and the secondary process component is arranged to remove fine impurities in the wastewater.

[0039] The preliminary filtering assembly includes a rotating column 4 arranged on one side of the filter tank 2, and a filter disc 3 is fixedly installed on a section of the outer peripheral wall of the rotating column 4, a plurality of fan-shaped slots 301 distributed at equal distances are provided in the filter disc 3, and one end of each fan-shaped slot 301 is connected to a filter plate 302 by a hinge, a slot that slides with the filter disc 3 is provided on one side of the filter tank 2, a C-shaped frame 14 that slides with the bottom of the filter disc 3 is fixedly installed in the filter tank 2, and the C-shaped frame 14 is used to support the filter plate 302 to ensure that the filter plate 302 in the filter tank 2 is in a horizontal state; through the above structure, the filter plate 302 is used to filter the wastewater entering the filter tank 2, and at the same time, when the rotating column 4 rotates, it can drive the plurality of filter plates 302 to rotate, thereby realizing the rapid switching of the filter plates 302, and at the same time, during the process of replacing the filter plates 302, there is no need to stop the machine, thereby ensuring the filtering efficiency of the wastewater.

[0040] The secondary filtration assembly includes a material changing belt 7 arranged between the frame seat 1 and the filter tank 2, and the material changing belt 7 is provided with evenly distributed water drop holes 701; through the above structure, filter cotton can be laid on the material changing belt 7 to achieve secondary filtration of wastewater.

[0041] A side mounting bracket 6 is fixedly installed on the top of the frame seat 1, and a slider 601 is slidably installed on the side mounting bracket 6. A vibration spring 602 is fixedly connected between the two ends of the bottom of the slider 601 and the frame seat 1. A conductive frame 603 is fixedly connected to one side of the slider 601. An end ball 604 is fixedly arranged on the top of the conductive frame 603. A knocking rod 605 is fixedly arranged on the other end of the conductive frame 603. Through the above structure, when the rotating column 4 rotates, the corresponding filter plate 302 rotates to the opening position of the C-shaped frame 14. 02 can swing downward under the action of gravity and hit the end ball 604 below. In conjunction with the vibration spring 602, the slider 601 and the conductive frame 603 can vibrate in the vertical direction, and the knocking rod 605 can be used to continuously beat the material changing belt 7, so that the filter cotton on the material changing belt 7 can be detached, so as to realize automatic discharge of the filter material that can no longer be used; at the same time, when waste water drips onto the material changing belt 7, since the structure is arranged in the outside world, it can come into contact with the outside air, and can also play an indirect oxygen supplement effect.

[0042] On the other hand, when the filter plate 302 hits the end ball 604 , the filter plate 302 will also vibrate due to the reaction force. At the same time, the filter plate 302 is in a tilted state, so that the impurities on the surface of the filter plate 302 can be automatically cleaned.

[0043] As a further embodiment of the present invention, Figure 1-Figure 4As shown, a plurality of equidistantly distributed transverse partitions 702 are fixedly installed on the material changing belt 7, and rubber ribs 703 are fixedly arranged on both sides of the material changing belt 7. A plurality of filter cavities are formed between the rubber ribs 703, the material changing belt 7 and the transverse partitions 702, and filter cottons are placed in the plurality of filter cavities. Through the above structure, the waste water filtered by the filter tank 2 can fall onto the material changing belt 7 below, and the filter cotton in the filter cavity can be used to achieve secondary filtration of the waste water.

[0044] As a further embodiment of the present invention, Figure 3 , Figure 4 as well as Fig. 9 As shown, the two ends of the C-shaped frame 14 located on the outside of the filter tank 2 are respectively fixedly connected with a folding rod 16 and an inclined rod 15, and the ends of the folding rod 16 and the inclined rod 15 are fixedly connected to the outer peripheral wall of the filter tank 2 with a supporting connecting rod 17; through the above structure, when the filter plate 302 moves to the opening of the C-shaped frame 14, the filter plate 302 can swing downward quickly when it is separated from the C-shaped frame 14, and knock the end ball 604; and when the rotating column 4 continues to rotate, the filter plate 302 can contact with the inclined rod 15, and make the filter plate 302 in a horizontal state again, that is, the filter plate 302 is re-engaged with the filter disc 3.

[0045] As a further embodiment of the present invention, Figure 1-Figure 6 As shown, a mounting block 401 is fixed on one side of the outer wall of the filter tank 2, and the mounting block 401 is rotatably connected to the side mounting bracket 6 and the rotating column 4. A worm gear 402 is fixedly installed on one end of the rotating column 4 near the bottom, and a worm 403 is rotatably installed on the side mounting bracket 6.

[0046] Furthermore, the worm 403 and the worm wheel 402 mesh with each other, and the lead angle between the worm 403 and the worm wheel 402 is smaller than the friction angle; through this arrangement, the transmission of the worm 403 and the worm wheel 402 can be self-locking, which is beneficial to improving the stability of the rotating column 4 after rotation adjustment.

[0047] Through the above structure, when the worm 403 rotates, it can cooperate with the worm wheel 402 to drive the rotating column 4 and the filter plate 302 to rotate, thereby realizing the connection and replacement of the filter plate 302.

[0048] As a further embodiment of the present invention, Figure 1-Figure 6 As shown, two pairs of support rods 101 are fixedly installed on the top of the frame seat 1, and a tensioning roller 704 is rotatably installed between each pair of support rods 101, and the material changing belt 7 is tensioned and sleeved on the outside of the two tensioning rollers 704; a support plate 5 is fixedly installed on the top of the frame seat 1, one side of the support plate 5 is fixedly connected to the adjacent support rods 101, a driving motor 501 is fixedly installed on the support plate 5, the output shaft of the driving motor 501 is fixedly connected to the adjacent tensioning roller 704, and a transmission belt 9 is commonly sleeved between the worm 403 and the adjacent tensioning roller 704.

[0049] Through the above structure, when the driving motor 501 is running, it can drive the tension roller 704 to rotate, thereby driving the material changing belt 7, and can drive the worm 403 to rotate through the transmission belt 9, thereby driving the rotating column 4;

[0050] At the same time, when the material changing belt 7 rotates, multiple filter chambers can be moved to the bottom of the filter tank 2 in sequence, so as to achieve the connection of the filter material. At the same time, there is no need to stop the machine during the whole process. In addition, the filter chambers on the material changing belt 7 are directly placed outside, making the addition of filter cotton extremely convenient.

[0051] As a further embodiment of the present invention, Figure 1-Figure 6 As shown, a pair of side support rods 102 are fixedly installed on one side of the frame seat 1, and a mounting rotating rod 11 is rotatably arranged between the pair of side support rods 102 and one of the pair of support rods 101, and a material receiving belt 12 is sleeved on the two mounting rotating rods 11, and a transmission belt 2 10 is jointly sleeved between one of the tensioning rollers 704 and the adjacent mounting rotating rods 11; through the above structure, when the tensioning roller 704 rotates, the transmission action of the transmission belt 2 10 can drive the material receiving belt 12 to rotate, thereby realizing the receiving and collection of the filter cotton.

[0052] Furthermore, the top of the filter tank 2 is fixedly connected to a flange pipe 202, and the bottom of the filter tank 2 is detachably and fixedly connected to a liquid separator box 13; through the above structure, the set liquid separator box 13 can evenly flow the wastewater into the filter cavity, thereby improving the filtering effect of the wastewater.

[0053] As a further solution of the present invention, a water receiving box 8 is provided at the middle end of the refueling belt 7, and a plurality of support columns 801 distributed at equal distances are fixedly connected between the two sides of the water receiving box 8 and the frame seat 1, and micro-nano bubble aerators 802 are fixedly installed on both sides of the top of the frame seat 1 near the water receiving box 8, and the output end of the micro-nano bubble aerator 802 is fixedly connected to a plurality of inflation tubes 803, and the other end of the inflation tube 803 extends to the inside of the water receiving box 8, and one side of the water receiving box 8 is fixedly connected to a plurality of drainage pipes 804; through the above structure, the water receiving box 8 can collect the filtered and de-slag water, and at the same time, the micro-nano bubble aerator 802 can cooperate with the inflation tube 803 to realize the oxygenation of the treated water, so that it can meet the breeding needs.

[0054] The specific working method is: when in use, the filter plate 302 is set to filter the wastewater entering the filter tank 2. At the same time, when the rotating column 4 rotates, it drives the multiple filter plates 302 to rotate, so as to realize the rapid switching of the filter plates 302. At the same time, in the process of replacing the filter plates 302, there is no need to stop the machine, thereby ensuring the filtering efficiency of the wastewater; when the material changing belt 7 rotates, the multiple filter chambers are moved to the bottom of the filter tank 2 in turn, so as to realize the connection of the filter material. At the same time, in the whole process, there is no need to stop the machine; in addition, the filter chamber on the material changing belt 7 is directly placed outside, so that the addition of filter cotton is also very convenient;

[0055] Specifically, when the filter plate 302 moves to the opening of the C-shaped frame 14, the filter plate 302 can swing downward quickly when it is separated from the C-shaped frame 14, and knock the end ball 604; and when the rotating column 4 continues to rotate, the filter plate 302 can contact the inclined rod 15, and the filter plate 302 is in a horizontal state again, that is, the filter plate 302 is re-engaged with the filter disc 3;

[0056] When the driving motor 501 is running, it drives the tension roller 704 to rotate, thereby driving the material changing belt 7, and drives the worm 403 to rotate through the transmission belt 9, thereby driving the rotating column 4; when the rotating column 4 rotates, the corresponding filter plate 302 rotates to the opening position of the C-shaped frame 14, and the filter plate 302 can swing downward under the action of gravity and contact the end ball 604 below, and cooperate with the vibration spring 602 to make the slider 601 and the conductive frame 603 vibrate in the vertical direction, and The knocking rod 605 is used to continuously beat the material changing belt 7, and the filter cotton on the material changing belt 7 is separated, so as to realize automatic discharge of the filter material that can no longer be used; at the same time, when the waste water drips on the material changing belt 7, since the structure is arranged outside, it contacts with the outside air, and also plays an indirect oxygen supplement effect; when the filter plate 302 knocks the end ball 604, the filter plate 302 will also vibrate due to the reaction force, and at the same time, the filter plate 302 is in a tilted state, so as to automatically clean the impurities on the surface of the filter plate 302;

[0057] The filtered water is collected in the water receiving tank 8. At the same time, the micro-nano bubble aerator 802 is used in conjunction with the air charging tube 803 to oxygenate the treated water so that it can meet the breeding needs.

[0058] The above description enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A wastewater filtering and treatment device for aquaculture, comprising a frame seat (1), a filter tank (2) being arranged above the frame seat (1), a pair of brackets (201) being fixedly installed between the top of the filter tank (2) and the frame seat (1), characterized in that: A primary filtering component is disposed on one side of the filtering tank (2), and a secondary filtering component is disposed below the filtering tank (2); The preliminary filtering assembly comprises a rotating column (4) arranged on one side of the filter tank (2), and a filter disc (3) is fixedly mounted on a section of the outer peripheral wall of the rotating column (4), a plurality of fan-shaped notches (301) distributed at equal distances are provided in the filter disc (3), and one end of each fan-shaped notch (301) is connected to a filter plate (302) via a hinge, a notch is provided on one side of the filter tank (2) for slidingly fitting with the filter disc (3), and a C-shaped frame (14) is fixedly mounted in the filter tank (2) for slidingly fitting with the bottom of the filter disc (3); The secondary filtering assembly comprises a material changing belt (7) arranged between the frame seat (1) and the filtering tank (2), and the material changing belt (7) is provided with evenly distributed water drop holes (701); A side mounting bracket (6) is fixedly mounted on the top of the frame seat (1), and a slider (601) is slidably mounted on the side mounting bracket (6), a vibration spring (602) is fixedly connected between the two ends of the bottom of the slider (601) and the frame seat (1), a conduction frame (603) is fixedly connected to one side of the slider (601), an end ball (604) is fixedly arranged on the top of the conduction frame (603), and a knocking rod (605) is fixedly arranged on the other end of the conduction frame (603); A mounting block (401) is fixed on one side of the outer peripheral wall of the filter tank (2), and the mounting block (401) is rotatably connected to the side mounting bracket (6) and the rotating column (4); a worm gear (402) is fixedly mounted on one end of the rotating column (4) close to the bottom, and a worm (403) is rotatably mounted on the side mounting bracket (6); The worm (403) and the worm wheel (402) mesh with each other, and the lead angle between the worm (403) and the worm wheel (402) is smaller than the friction angle; Two pairs of support rods (101) are fixedly mounted on the top of the frame seat (1), and a tensioning roller (704) is rotatably mounted between each pair of support rods (101), and the material changing belt (7) is tensioned and sleeved on the outside of the two tensioning rollers (704); A support plate (5) is fixedly mounted on the top of the frame seat (1), one side of the support plate (5) is fixedly connected to the adjacent support rod (101), a drive motor (501) is fixedly mounted on the support plate (5), an output shaft of the drive motor (501) is fixedly connected to the adjacent tensioning roller (704), and a transmission belt (9) is commonly sleeved between the worm (403) and the adjacent tensioning roller (704); A pair of side support rods (102) are fixedly mounted on one side of the frame seat (1), a mounting rotating rod (11) is rotatably mounted between the pair of side support rods (102) and one of the pair of support rods (101), and a material receiving belt (12) is sleeved on the two mounting rotating rods (11), and a transmission belt 2 (10) is sleeved between one of the tensioning rollers (704) and the adjacent mounting rotating rod (11); A plurality of equidistantly distributed transverse partitions (702) are fixedly mounted on the material changing belt (7), and rubber retaining edges (703) are fixedly arranged on both sides of the material changing belt (7), and a plurality of filter cavities are formed between the rubber retaining edges (703), the material changing belt (7) and the transverse partitions (702), and filter cotton is placed in each of the plurality of filter cavities.

2. The aquaculture wastewater filtering and treatment device according to claim 1, characterized in that: The two ends of the C-shaped frame (14) located outside the filter tank (2) are respectively fixedly connected to a folding rod (16) and an inclined rod (15), and a supporting connecting rod (17) is fixedly connected between the ends of the folding rod (16) and the inclined rod (15) and the outer peripheral wall of the filter tank (2).

3. The aquaculture wastewater filtering and treatment device according to claim 1, characterized in that: The top of the filter tank (2) is fixedly connected to a flange pipe (202), and the bottom of the filter tank (2) is detachably fixedly connected to a liquid separation box (13).

4. The aquaculture wastewater filtering and treatment device according to claim 1, characterized in that: A water receiving box (8) is provided at the middle end of the refueling belt (7), and a plurality of support columns (801) distributed at equal distances are fixedly connected between the two sides of the water receiving box (8) and the frame seat (1), and micro-nano bubble aerators (802) are fixedly installed on both sides of the top of the frame seat (1) near the water receiving box (8), and the output end of the micro-nano bubble aerator (802) is fixedly connected to a plurality of inflation pipes (803), and the other end of the inflation pipe (803) extends into the interior of the water receiving box (8), and a plurality of drainage pipes (804) are fixedly connected to one side of the water receiving box (8).

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