Aquatic product processing sewage treatment device

Abstract

The invention belongs to the technical field of water pollution treatment, and particularly relates to an aquatic product processing sewage treatment device which comprises a sewage treatment box, a water outlet is formed in one end of the sewage treatment box, a partition block is arranged in the sewage treatment box, a biological plate is arranged in front of the partition block, an inclined box is mounted on the partition block, and a filtering mechanism is arranged above the inclined box. A water inlet pipe is mounted on one side of the partition block, the filtering mechanism comprises two groups of side plates, two groups of transmission shafts rotationally mounted between the two groups of side plates and two groups of chain wheels mounted at the two ends of the transmission shafts respectively, and in the circular motion process of the side frame, a filter screen on the side frame filters sewage; meanwhile, the filter screen drives dirt to move, so that the dirt is automatically discharged into the waste tank, the dirt is automatically cleaned and is prevented from being accumulated in the inclined box under the condition of no shutdown, the sewage treatment efficiency is improved, and meanwhile, the efficient sewage treatment effect of the filter screen is ensured.

Description

Technical Field

[0001] The invention belongs to the technical field of water pollution control, in particular to a device for treating wastewater from aquatic product processing. Background Art

[0002] The aquatic product processing industry is a typical high-water-consuming industry. It produces a large amount of wastewater and seriously pollutes the environment. For example, in some rivers near aquatic product processing enterprises that do not carry out wastewater treatment, the dissolved oxygen in the water will drop sharply, making it impossible for aquatic organisms to survive, resulting in fish deaths, excessive algae growth, etc. Therefore, it is very necessary to treat the wastewater generated by aquatic product processing.

[0003] The patent with announcement number CN211921206U discloses a water product processing wastewater treatment device, including a treatment box and a biological plate. Two sets of triangular bases are provided in the treatment box, and strip openings are opened on the triangular bases. The two sets of strip openings are respectively movably connected to the first filter screen and the second filter screen. A water inlet is provided on the upper side of one end of the treatment box, and two sets of sewage outlets are provided at the bottom of the treatment box. When there is not much sewage entering the treatment box, there is a gap between the floating block and the washing opening, which allows outside air to enter the treatment box and increase the decomposition rate of microorganisms on the biological plate. When there is more sewage, the floating block floats up, blocking the washing opening to prevent sewage from overflowing from the treatment box.

[0004] In the above scheme, sewage is filtered through the first filter screen and the second filter screen, and the waste generated by the filtration will be retained in the treatment box. When there is too much waste retained in the treatment box, it is necessary to open two sets of sewage outlets to discharge the waste. However, during the waste discharge process, the sewage treatment needs to be suspended, and the waste discharge takes a certain amount of time, thereby delaying the sewage treatment and reducing the efficiency of the sewage treatment. For this reason, the present invention provides a water product processing sewage treatment device. Summary of the Invention

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the present invention to solve its technical problems is as follows: the device for treating wastewater from aquatic product processing according to the present invention comprises a wastewater treatment tank, a drain outlet is provided at one end of the wastewater treatment tank, a partition block is provided in the wastewater treatment tank, a biological plate is provided in front of the partition block, an oblique box is installed on the partition block, a filter mechanism is provided above the oblique box, an inlet pipe is installed on one side of the partition block, the filter mechanism comprises two groups of side plates, the two groups of side plates are symmetrically fixedly installed on the partition block, two groups of transmission shafts are rotatably installed between the two groups of side plates, two groups of sprockets are respectively installed at both ends of the transmission shaft, the chains mesh with the two groups of sprockets, and a plurality of groups of side frames are arranged around the two groups of chains, and a filter screen is installed on the side frames. The wastewater treatment tank is divided into a sewage tank and a waste tank through the partition block, and the water inlet pipe is connected to the oblique box. When the side frame is making circular motion, the filter on the side frame filters the sewage. At the same time, the filter drives the dirt to move, so that the dirt is automatically discharged into the waste tank. Without stopping the machine, the dirt is automatically cleaned to avoid the accumulation of dirt in the oblique box, which not only improves the sewage treatment efficiency, but also ensures the efficient sewage treatment effect of the filter.

[0007] The two ends of the movable frame are connected with the two guide wheels, and the two guide wheels are connected with the movable wheel shaft respectively. Start the air pump, which inputs the compressed gas into the blowing pipe through the gas pipeline. The gas is then sprayed onto the filter net moving below through the air outlet on the blowing pipe, so that the fish and shrimp scales and internal organs attached to the filter net are blown off and fall into the waste trough, thereby automatically cleaning the fish and shrimp scales and internal organs attached to the filter net, further ensuring the efficient effect of the filter net on sewage treatment.

[0008] Preferably, the blowing mechanism is connected to the linkage mechanism, the linkage mechanism includes a first bevel gear, the first bevel gear is mounted on the end of a set of transmission shafts, a second bevel gear meshing with the first bevel gear, the second bevel gear is rotatably mounted on the fixed shaft, one end of the connecting rod is fixedly connected to the blowing pipe, the fixed shaft is fixedly mounted on a set of side plates, a clamp is mounted on the inner ring of the side plate, the blowing pipe is slidably connected to the clamp, a slide groove is provided on the connecting rod, a drive shaft is provided on the second bevel gear, and the drive shaft is located in the slide groove; As the drive shaft rotates, it slides along the slide groove, and at the same time the connecting rod drives the air blowing pipe to move back and forth, so that the air flow sprayed from the air outlet on the filter moves back and forth in a direction perpendicular to the moving direction of the filter, so that the air flow covers the filter more evenly, and the fish and shrimp scales and internal organs attached to the filter are cleaned more cleanly.

[0009] The beneficial effects of the present invention are as follows: 1. When the side frame is making circular motion, the filter on the side frame filters the sewage. At the same time, the filter drives the dirt to move, so that the dirt is automatically discharged into the waste tank. Without stopping the machine, the dirt is automatically cleaned to avoid the accumulation of dirt in the oblique box, which not only improves the sewage treatment efficiency, but also ensures the efficient treatment effect of the filter on sewage.

[0010] 2. When the side frame moves along the oblique box, the rectangular frame on the side frame slides along the oblique box, and at the same time, the rectangular frame drives the corresponding filter screen to filter the sewage and drive the dirt to move. In this process, the two sets of rollers on the side frame roll along the two sets of guide rings respectively. When the rectangular frame disengages from the oblique box, the roller will be squeezed by the inclined surface of one end of the pad, so that the roller pushes the movable shaft to move along the inner cavity of the fixed seat toward the direction of the rotating tube, and the movable shaft compresses the spring. At the same time, the movable shaft drives the two sets of pins to slide along the two sets of spiral grooves respectively, so that the rotating tube drives the rotating seat together with the rectangular frame and the filter screen to rotate clockwise until the roller staggers the inclined surface and rolls along the pad. In the process of the roller rolling along the pad, the air pump is started, and the gas is sprayed onto the filter screen moving below through the air outlet on the blowing pipe, so that the fish and shrimp scales and internal organs attached to the filter screen are blown off and fall into the waste trough, thereby realizing automatic cleaning of the fish and shrimp scales and internal organs attached to the filter screen, further ensuring the efficient effect of the filter screen on sewage treatment.

[0011] 3. When the gas is sprayed onto the filter net moving below through the air outlet on the air blowing pipe, a set of rotating transmission shafts drives the first bevel gear to rotate, and the first bevel gear drives the second bevel gear to rotate together with the drive shaft. As the drive shaft rotates, the drive shaft slides along the slide groove, and at the same time, the connecting rod drives the air blowing pipe to move back and forth, so that the airflow sprayed onto the filter net from the air outlet moves back and forth in the direction perpendicular to the moving direction of the filter net, so that the airflow covers the filter net more evenly, so that the fish and shrimp scales and internal organs attached to the filter net are cleaned more thoroughly. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention will be further described below with reference to the accompanying drawings.

[0013] Figure 1 It is a partial schematic diagram of the structure of the present invention.

[0014] Figure 2 It is a schematic diagram of the combination of the separator block, the oblique box, the water inlet pipe, and the local filtering mechanism of the present invention.

[0015] Figure 3 It is a schematic diagram of the combination of the side frame and the filter screen of the present invention.

[0016] Figure 4 It is a schematic cross-sectional view of the side frame of the present invention.

[0017] Figure 5 It is a schematic diagram of the combination of the rotary tube and the movable shaft of the present invention.

[0018] Figure 6 It is a schematic diagram of the side panels and side frames of the present invention.

[0019] Figure 7 This is a schematic diagram of the sewage treatment box, filtering mechanism, and blowing mechanism of the present invention.

[0020] Figure 8 Schematic diagram of the air blowing pipeline of the present invention.

[0021] Figure 9 It is a schematic diagram of the side panel, transmission shaft, air outlet and linkage mechanism of the present invention.

[0022] Figure 10 This is a schematic diagram of the fixed shaft and connecting rod combination of the present invention.

[0023] Figure 11 It is a schematic diagram of the overall structure of the present invention.

[0024] Figure: 1, sewage treatment tank; 2, drain outlet; 3, partition block; 31, sewage trough; 32, waste trough; 4, biological plate; 5, inclined box; 6, water inlet pipe; 7, filter mechanism; 8, air blowing mechanism; 9, linkage mechanism; 701, side plate; 7011, guide ring; 7012, gasket; 7013, inclined surface; 7014, clamp; 702, transmission shaft; 703, sprocket; 704, chain; 705, side frame; 706, filter screen; 705 1. Fixed seat; 7052. Rotary tube; 521. Spiral groove; 7053. Rotating seat; 7054. Rectangular frame; 7055. Movable shaft; 551. Roller; 552. Pin; 7056. Spring; 801. Air blowing pipe; 8011. Air outlet; 802. Air delivery pipe; 803. Air pump; 901. First bevel gear; 902. Second bevel gear; 9021. Drive shaft; 903. Fixed shaft; 904. Connecting rod; 9041. Slide groove. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] Example 1: Figure 1 and Figure 2 As shown, an aquatic product processing wastewater treatment device according to an embodiment of the present invention includes a sewage treatment tank 1, a drain outlet 2 is provided at one end of the sewage treatment tank 1, a partition block 3 is provided in the sewage treatment tank 1, a biological plate 4 is provided in front of the partition block 3, an oblique box 5 is installed on the partition block 3, a filter mechanism 7 is provided above the oblique box 5, and an inlet pipe 6 is installed on one side of the partition block 3. The filter mechanism 7 includes two groups of side plates 701, the two groups of side plates 701 are symmetrically fixedly installed on the partition block 3, two groups of transmission shafts 702 rotatably installed between the two groups of side plates 701, two groups of sprockets 703 are respectively installed at both ends of the transmission shaft 702, chains 704 engage the two groups of sprockets 703, several groups of side frames 705 are arranged around the two groups of chains 704, and a filter screen 706 is installed on the side frame 705. The sewage treatment tank 1 is divided into a sewage tank 31 and a waste tank 32 through the partition block 3, and the water inlet pipe 6 is connected to the oblique box 5.

[0027] Specifically, the bio-plate 4 adopts the corresponding structure of the patent disclosed in the above-mentioned announcement number CN211921206U in a sewage treatment device for aquatic product processing. The water inlet pipe 6 is connected to the sewage pipe for aquatic product processing. In the initial state, there are four sets of side frames 705 located in the oblique box 5. When the sewage generated by the aquatic product processing needs to be treated, the sewage flows into the water inlet pipe 6 through the sewage pipe, and then the sewage flows into the oblique box 5 through the water inlet pipe 6. Since the oblique box 5 is inclined, the sewage will flow into the sewage tank 31 along the oblique box 5, and the sewage flows through During the process, the sewage is filtered by the filter screen 706 in the oblique box 5, so that the larger dirt such as fish and shrimp scales and internal organs in the sewage is filtered in the oblique box 5. At the same time, the biological plate 4 further purifies the sewage in the sewage tank 31, and the further purified sewage is discharged through the drain outlet 2. In this process, a group of transmission shafts 702 are driven by the motor to rotate, and the transmission shaft 702 drives two groups of sprockets 703 to rotate. The two groups of sprockets 703 drive two groups of chains 704 together with several groups of side frames 705 and several groups of filter screens 706 to do slow circular motion. Figure 2 The direction indicated by the middle arrow is the direction of circular motion. At the same time, the four groups of side frames 705 slide along the oblique box 5. The side frames 705 drive the dirt to move toward the waste trough 32 through the corresponding filter screens 706, so that the dirt is pushed into the waste trough 32. As several groups of filter screens 706 make circular motions, the dirt retained in the oblique box 5 will be continuously pushed into the waste trough 32, thereby realizing automatic cleaning of the dirt in the oblique box 5. Compared with the prior art, when the side frame 705 makes a circular motion, the filter screen 706 on the side frame 705 filters the sewage. At the same time, the filter screen 706 drives the dirt to move, so that the dirt is automatically discharged into the waste trough 32. Without stopping the machine, automatic cleaning of the dirt is realized, and dirt is prevented from accumulating in the oblique box 5, which not only improves the sewage treatment efficiency, but also ensures the efficient sewage treatment effect of the filter screen 706.

[0028] like Figures 3 to 8As shown, the side frame 705 includes a fixed base 7051, two ends of the fixed base 7051 are respectively connected to two groups of chains 704, a rotating tube 7052 rotatably installed in the fixed base 7051, a rotating base 7053 fixedly sleeved on the rotating tube 7052, a rectangular frame 7054 fixedly connected to the rotating base 7053, a filter 706 is installed on the rectangular frame 7054, two groups of movable shafts 7055 at both ends of the fixed base 7051 are respectively inserted, a spring 7056 is sleeved on the movable shaft 7055, two groups of spiral grooves 521 are opened at both ends of the rotating tube 7052, and two groups of pins 552 are symmetrically set at one end of the movable shaft 7055. The two groups of pins 552 are respectively located in the two groups of spiral grooves 521. 1, a roller 551 is rotatably mounted on the other end of the movable shaft 7055, a guide ring 7011 is fixedly mounted on the side plate 701, and the roller 551 is rotatably connected to the guide ring 7011. A pad 7012 for pushing the roller 551 is provided on one side of the guide ring 7011, and an inclined surface 7013 is provided on one end of the pad 7012. An air blowing mechanism 8 is provided above the waste trough 32, and the air blowing mechanism 8 includes an air blowing pipe 801, which is installed between the two sets of side plates 701 and fixedly connected to an air supply pipe 802 at one end of the air blowing pipe 801. One end of the air supply pipe 802 is connected to the air outlet of the air pump 803, and a plurality of air outlet holes 8011 are opened on the side of the air pipe facing the filter 706.

[0029] Specifically, since the fish and shrimp scales and internal organs in the sewage have a certain degree of adhesion, some of the fish and shrimp scales and internal organs cannot fall into the waste trough 32, resulting in some fish and shrimp scales and internal organs being attached to the filter screen 706. As more and more fish and shrimp scales and internal organs are attached to the filter screen 706, the sewage treatment effect of the filter screen 706 will be reduced. In the initial state, the side frame 705 is perpendicular to the oblique box 5. Therefore, when the side frame 705 moves along the oblique box 5, the rectangular frame 7054 on the side frame 705 slides along the oblique box 5. At the same time, the rectangular frame 7054 drives the corresponding filter screen 706 to filter the sewage and move the dirt. During this process, the two groups of rollers 551 on the side frame 705 roll along the two groups of guide rings 7011 respectively. When the rectangular frame 7054 is separated from the oblique box 5, the rollers 551 will be squeezed by the inclined surface 7013 at one end of the pad 7012, so that the rollers 551 push the movable shaft 7055 to move along the inner cavity of the fixed seat 7051 toward the rotating tube 7052, and the movable shaft 7055 compresses the spring 7056. At the same time, the movable shaft 7055 drives the two sets of pins 552 to slide along the two sets of spiral grooves 521 respectively, so that the rotating tube 7052 drives the rotating seat 7053 together with the rectangular frame 7054 and the filter screen 706 to rotate clockwise until the roller 551 staggers the inclined surface 7013 and the roller 551 rolls along the pad 7012. At this time, the rectangular frame 7054 is parallel to the oblique box 5. During the rolling process of the roller 551 along the pad 7012, the air pump 803 is started, and the air pump 803 inputs the compressed gas into the air supply pipe 802. In the blowing pipe 801, the gas is then sprayed onto the filter screen 706 moving below through the air outlet 8011 on the blowing pipe 801, so that the fish and shrimp scales and internal organs attached to the filter screen 706 are blown off and fall into the waste trough 32 until the roller 551 is offset from the pad 7012. Under the action of the rebound force of the spring 7056, the side frame 705 returns to its initial state, thereby realizing automatic cleaning of the fish and shrimp scales and internal organs attached to the filter screen 706, further ensuring the efficient effect of the filter screen 706 on sewage treatment.

[0030] Example 2: Figures 9 to 11 As shown, comparative example 1, wherein another embodiment of the present invention is: the blowing mechanism 8 is connected to the linkage mechanism 9, the linkage mechanism 9 includes a first bevel gear 901, the first bevel gear 901 is mounted on the end of a set of transmission shafts 702, a second bevel gear 902 meshing with the first bevel gear 901, the second bevel gear 902 is rotatably mounted on the fixed shaft 903, one end of the connecting rod 904 is fixedly connected to the blowing pipe 801, the fixed shaft 903 is fixedly mounted on a set of side plates 701, a clamp 7014 is mounted on the inner ring of the side plate 701, the blowing pipe 801 is slidably connected to the clamp 7014, a slide groove 9041 is provided on the connecting rod 904, a drive shaft 9021 is provided on the second bevel gear 902, and the drive shaft 9021 is located in the slide groove 9041.

[0031] Specifically, when the above-mentioned gas is sprayed onto the filter 706 moving below through the air outlet 8011 on the air blowing pipe 801, a rotating set of transmission shafts 702 drives the first bevel gear 901 to rotate, and the first bevel gear 901 drives the second bevel gear 902 to rotate together with the drive shaft 9021. As the drive shaft 9021 rotates, the drive shaft 9021 slides along the slide groove 9041, and at the same time, the connecting rod 904 drives the air blowing pipe 801 to move back and forth, so that the airflow sprayed from the air outlet 8011 on the filter 706 moves back and forth in a direction perpendicular to the moving direction of the filter 706, so that the airflow covers the filter 706 more evenly, so that the fish and shrimp scales and internal organs attached to the filter 706 are cleaned more cleanly.

[0032] Working principle: sewage flows into the water inlet pipe 6 through the sewage pipe, and then flows into the oblique box 5 through the water inlet pipe 6. Since the oblique box 5 is inclined, the sewage will flow into the sewage tank 31 along the oblique box 5, and during the flow of sewage, the sewage is filtered by the filter screen 706 in the oblique box 5, so that larger dirt such as fish and shrimp scales and internal organs in the sewage are filtered in the oblique box 5. At the same time, the biological plate 4 further purifies the sewage in the sewage tank 31, and the further purified sewage is discharged through the drain outlet 2. In this process, a group of transmission shafts 702 are driven by a motor to rotate, and the transmission shaft 702 drives two groups of sprockets 703 to rotate. The two groups of sprockets 703 drive two groups of chains 704 together with several groups of side frames 705 and several groups of filter screens 706 to do slow circular motion. Figure 2 The direction indicated by the middle arrow is the direction of circular motion. At the same time, the four sets of side frames 705 slide along the oblique box 5. The side frames 705 drive the dirt to move toward the waste trough 32 through the corresponding filter screens 706, so that the dirt is pushed into the waste trough 32. As the multiple sets of filter screens 706 make circular motions, the dirt retained in the oblique box 5 will be continuously pushed into the waste trough 32, thereby realizing automatic cleaning of the dirt in the oblique box 5. When the side frame 705 moves along the oblique box 5, the rectangular frame 7054 on the side frame 705 slides along the oblique box 5, and at the same time, the rectangular frame 7054 drives the corresponding filter screen 706 to filter the sewage and drive the dirt to move. In this process, the two groups of rollers 551 on the side frame 705 roll along the two groups of guide rings 7011 respectively. When the rectangular frame 7054 is separated from the oblique box 5, the roller 551 will be squeezed by the inclined surface 7013 at one end of the pad 7012, so that the roller 551 pushes the movable shaft 7055 to move along the inner cavity of the fixed seat 7051 toward the rotating tube 7052, and the movable shaft 7055 compresses the spring 7056. At the same time, the movable shaft 7055 drives the two groups of pin shafts 552 to slide along the two groups of spiral grooves 521 respectively, so that the rotating tube 7052 can move. The movable rotating seat 7053, together with the rectangular frame 7054 and the filter screen 706, rotates clockwise until the roller 551 staggers the inclined surface 7013 and the roller 551 rolls along the pad 7012. At this time, the rectangular frame 7054 is parallel to the oblique box 5. When the roller 551 rolls along the pad 7012, the air pump 803 is started. The air pump 803 inputs compressed gas into the air blowing pipe 801 through the air supply pipe 802. Then, the gas is sprayed onto the filter screen 706 moving below through the air outlet 8011 on the air blowing pipe 801, so that the fish and shrimp scales and internal organs attached to the filter screen 706 are blown off and fall into the waste tank 32. Until the roller 551 staggers the pad 7012, the side frame 705 returns to its initial state under the rebound force of the spring 7056. When the gas is sprayed onto the filter 706 moving below through the air outlet 8011 on the air blowing pipe 801, a rotating set of transmission shafts 702 drives the first bevel gear 901 to rotate, and the first bevel gear 901 drives the second bevel gear 902 to rotate together with the drive shaft 9021. As the drive shaft 9021 rotates, the drive shaft 9021 slides along the slide groove 9041, and at the same time, the connecting rod 904 drives the air blowing pipe 801 to move back and forth, so that the airflow sprayed from the air outlet 8011 onto the filter 706 moves back and forth along the direction perpendicular to the moving direction of the filter 706, so that the airflow covers the filter 706 more evenly.

[0033] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the foregoing embodiments. The foregoing embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A wastewater treatment device for aquatic product processing, comprising a wastewater treatment tank (1), characterized in that: A drain outlet (2) is provided at one end of the sewage treatment tank (1), a partition block (3) is provided inside the sewage treatment tank (1), a biological plate (4) is provided in front of the partition block (3), an oblique box (5) is installed on the partition block (3), a filtering mechanism (7) is provided above the oblique box (5), and a water inlet pipe (6) is installed on one side of the partition block (3); The filtering mechanism (7) comprises two sets of side plates (701), and the two sets of side plates (701) are symmetrically fixedly mounted on the partition block (3); Two sets of transmission shafts (702) rotatably mounted between the two sets of side plates (701); Two sets of sprockets (703) respectively mounted on both ends of the transmission shaft (702); two sets of chains (704), the chains (704) engaging the two sets of sprockets (703); A plurality of sets of side frames (705) are arranged around and between the two sets of chains (704); A filter screen (706) is mounted on the side frame (705).

2. The aquatic product processing wastewater treatment device according to claim 1, characterized in that: The sewage treatment box (1) is divided into a sewage tank (31) and a waste tank (32) by the dividing block (3), and the water inlet pipe (6) is connected to the oblique box (5).

3. The aquatic product processing wastewater treatment device according to claim 2, characterized in that: The side frame (705) includes a fixing seat (7051), and two ends of the fixing seat (7051) are respectively connected to two groups of chains (704); Rotating the rotary tube (7052) installed in the fixing seat (7051); A rotating seat (7053) fixedly sleeved on the rotating tube (7052); A rectangular frame (7054) is fixedly connected to the rotating seat (7053), and the filter (706) is installed on the rectangular frame (7054); Two sets of movable shafts (7055) are respectively plugged into the two ends of the fixing seat (7051); A spring (7056) is sleeved on the movable shaft (7055).

4. The aquatic product processing wastewater treatment device according to claim 3, characterized in that: Two sets of spiral grooves (521) are provided at both ends of the rotating tube (7052), and two sets of pins (552) are symmetrically provided at one end of the movable shaft (7055), and the two sets of pins (552) are respectively located in the two sets of spiral grooves (521).

5. The aquatic product processing wastewater treatment device according to claim 4, characterized in that: A roller (551) is rotatably mounted on the other end of the movable shaft (7055), a guide ring (7011) is fixedly sleeved on the side plate (701), and the roller (551) is rollingly connected to the guide ring (7011).

6. The aquatic product processing wastewater treatment device according to claim 5, characterized in that: A pad (7012) for pushing the roller (551) is provided on one side of the guide ring (7011), and an inclined surface (7013) is provided on one end of the pad (7012).

7. The aquatic product processing wastewater treatment device according to claim 6, characterized in that: An air blowing mechanism (8) is provided above the waste trough (32), the air blowing mechanism (8) comprising an air blowing pipe (801), and the air blowing pipe (801) is installed between the two sets of side plates (701); A gas delivery pipeline (802) fixedly connected to one end of the air blowing pipeline (801); One end of the gas delivery pipe (802) is connected to the gas outlet of the air pump (803), and a plurality of gas outlet holes (8011) are provided on the side of the gas pipe facing the filter (706).

8. The aquatic product processing wastewater treatment device according to claim 7, characterized in that: The blowing mechanism (8) is connected to a linkage mechanism (9), wherein the linkage mechanism (9) comprises a first bevel gear (901), and the first bevel gear (901) is mounted on an end portion of a set of the transmission shafts (702); a second bevel gear (902) meshing with the first bevel gear (901); A fixed shaft (903), the second bevel gear (902) being rotatably mounted on the fixed shaft (903); A connecting rod (904), one end of which is fixedly connected to the air blowing pipe (801).

9. The aquatic product processing wastewater treatment device according to claim 8, characterized in that: The fixed shaft (903) is fixedly mounted on the set of side plates (701), a clamp (7014) is mounted on the inner ring of the side plate (701), and the air blowing pipe (801) is slidably connected to the clamp (7014).

10. The aquatic product processing wastewater treatment device according to claim 9, characterized in that: A sliding groove (9041) is provided on the connecting rod (904), and a driving shaft (9021) is provided on the second bevel gear (902), and the driving shaft (9021) is located in the sliding groove (9041).

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