Wastewater treatment device for dehydrating and processing narrow gadus fillets

Abstract

The invention provides a walley cod fillet dehydration processing wastewater treatment device. Sliding grooves are formed in the two ends of a rotating frame, a first protruding block and a second protruding block slide in the sliding grooves respectively, the first protruding block is 10-20 g heavier than the second protruding block, the first protruding block extends to the outer side of an oil discharging pipe and the outer side of a water discharging pipe by 0.5-1 cm, when the rotating frame does not rotate, the first protruding block is located below the rotating frame, and when the rotating frame does not rotate, the first protruding block is located below the rotating frame. The second protruding block is located above the rotating frame, the whole upper end of the rotating frame obliquely rotates downwards, the whole second protruding block slides downwards, at the moment, the second protruding block slides towards the end away from the middle of the rotating frame, and the weight of the upper end of the rotating frame can be increased through the second protruding block. The rotating frame can rotate at one end of the filter plate in an attached mode, one side of the filter plate can be cleaned through rotation of the rotating frame, and the situation that solid deposits and blocks the interior of the drainage pipe in the drainage process of the drainage pipe is avoided.

Description

Technical Field

[0001] This invention relates to the technical field of devices for separating or removing grease, oily substances, or similar floating matter, and particularly to a wastewater treatment device for dehydration processing of Alaska pollock fillets. Background Technology

[0002] The dehydration process of Alaska pollock fillets is a key technology that removes moisture from the fillets, extends their shelf life, facilitates storage and transportation, and preserves their nutrition and flavor. The process involves removing moisture from the Alaska pollock fillets, generating wastewater. This wastewater is treated by a wastewater treatment device that uses centrifugal force to separate oil and water. In a high-speed rotating container, the different densities of oil and water result in different centrifugal forces, thus achieving oil-water separation. This paper provides technical insights into the wastewater treatment device.

[0003] The research on wastewater treatment devices revealed the following problems:

[0004] Wastewater contains grease, water, and solid deposits. After the wastewater treatment device rotates at high speed, it can only help to discharge grease and water. Solid deposits adhere to the inner wall of the wastewater treatment device and need to be cleaned manually every time. Therefore, after continuous use, a large amount of solid deposits easily adhere to the inner wall of the wastewater treatment device. Since the drain pipe is usually located on one side of the lower end of the wastewater treatment device, the solid deposits are easy to block the inside of the drain pipe during the downward discharge process. This prevents the wastewater treatment device from cleaning the inner wall during the oil-water separation process and avoids solid deposits blocking the inside of the drain pipe.

[0005] Currently, the prior art, disclosed in patent CN101602528B, describes an oil-water separation device for treating oily wastewater. This device features a multi-stage oil-water separation structure, including a wastewater filtration tank and an oil-water separation main unit. The wastewater filtration tank is equipped with a filter basket, filter screen, and sewage pump for primary filtration. The oil-water separation main unit mainly consists of a primary oil separation device and a secondary oil separation device. This invention can be used to collect and separate sludge from kitchen wastewater, effectively solving the problem of secondary pollution caused by dining tables. Furthermore, this invention has a simple and reasonable structure, good oil-water separation effect, and is suitable for oil-water separation of kitchen wastewater from hotels of all sizes in towns and cities, as well as from ocean-going passenger ships.

[0006] This invention primarily addresses the problem that wastewater treatment devices cannot clean the inner wall during oil-water separation, thus preventing solid deposits from clogging the inside of the drain pipe. Summary of the Invention

[0007] To address the aforementioned technical problems, this invention provides a wastewater treatment device for the dehydration and processing of pollock fillets, thereby resolving the issues described in the background section.

[0008] The purpose and effect of the wastewater treatment device for dehydration processing of pollock fillets of the present invention are achieved by the following specific technical means: A wastewater treatment device for dehydration processing of pollock fillets includes a base, a separation cylinder is provided at the upper end of the base, a motor is provided at the upper end of the separation cylinder, an output shaft is rotatably connected to the lower end of the motor, and a rotating drum is rotatably connected to the lower end of the output shaft.

[0009] Furthermore, an oil drain pipe runs through one side of the upper end of the separator cylinder, and a drain pipe runs through the lower side of the separator cylinder.

[0010] Furthermore, the lower end of the separation cylinder is conical, and an opening is provided at the lower end of the separation cylinder, through which the sediment is discharged from the interior of the base.

[0011] Furthermore, a feed inlet is provided on one side of the upper end of the separation cylinder, through which wastewater enters the interior of the separation cylinder.

[0012] Furthermore, both the opening and the feed inlet are equipped with valves.

[0013] Furthermore, the motor is connected to the power circuit via a power line, and the motor drives the drum to rotate at high speed via the output shaft.

[0014] Furthermore, the rotating drums are arranged vertically inside the separation cylinder, and the rotating drums are spiral-shaped, with two layers of spirals, inner and outer.

[0015] Furthermore, a crossbar is provided at one end of the oil drain pipe near the separator cylinder, and the crossbar passes through the interior of the oil drain pipe.

[0016] Furthermore, a track is installed around the middle of the inner wall of the separation cylinder, and a sliding frame is slidably connected inside the track. A pull rope is provided on the side of the sliding frame near the drum, and scrapers are provided at both ends of the sliding frame near the inner wall of the separation cylinder. A rotating shaft is rotatably connected to the end of the scraper near the drum, and blades are rotatably surrounded on the outside of the rotating shaft.

[0017] Furthermore, the track is arranged in a circular shape, the sliding frame slides horizontally 360° on the inner side of the track, the sliding frame extends to the outer side of the track, the end of the sliding frame near the track is cylindrical, and the end of the sliding frame near the scraper is rectangular.

[0018] Furthermore, the end of the sliding frame near the track is cylindrical, which facilitates the sliding frame to slide inside the track, and the end of the sliding frame near the scraper is rectangular, which facilitates the installation of the scraper at the upper and lower ends of the sliding frame.

[0019] Furthermore, the scrapers are arranged vertically, with the side of the scraper away from the rotating shaft slidingly against the inner wall of the separation cylinder, and an opening provided at the end of the scraper near the rotating shaft, with the rotating shaft installed inside the opening in a transverse rotation.

[0020] Furthermore, the rotating shaft is matched with the blade, which is arc-shaped with an arc angle of 90-120°, and the blade is located at the end of the rotating shaft near the drum.

[0021] Furthermore, the pull rope is 2-4cm long and made of nylon.

[0022] Furthermore, a filter plate is installed at one end of the drain pipe near the separator cylinder. A rotating frame is rotatably fitted at one end of both the filter plate and the crossbar of the oil drain pipe. Protrusion 1 and Protrusion 2 are slidably connected on the inner sides of both ends of the rotating frame.

[0023] Furthermore, the filter plate has multiple through holes with a diameter of 0.3-0.7 cm.

[0024] Furthermore, the central part of the rotating frame is circular, and the two ends of the rotating frame are rectangular. One side of each end of the rotating frame rotates and fits into the surface of the filter plate.

[0025] Furthermore, the rotating frame has grooves at both ends, and protrusion one and protrusion two slide inside the grooves respectively. The weight of protrusion one is 10-20g greater than that of protrusion two. Protrusion one extends 0.5-1cm to the outside of the oil drain pipe and the drain pipe. Protrusion one is made of a deformable material, such as rubber.

[0026] Furthermore, the weight of the first protrusion is 10-20g greater than that of the second protrusion. Therefore, when the rotating frame is not rotating, the first protrusion is located below the rotating frame, and the second protrusion is located above the rotating frame.

[0027] Beneficial effects:

[0028] 1. When the drum rotates, the drum drives the sliding frame through the pull rope. The sliding frame slides 360° inside the track. The scrapers at both ends of the sliding frame slide synchronously. When the scrapers slide 360° horizontally, they can clean the solid deposits on the inner wall of the separation cylinder, avoiding a large amount of solid deposits adhering to the inner wall of the separation cylinder during centrifugation. This facilitates the downward movement of solid deposits inside the separation cylinder, enabling this wastewater treatment method to quickly clean the solid deposits on the inner wall of the separation cylinder during oil-water separation.

[0029] 2. When the scraper moves in a horizontal 360° rotation, the wastewater inside the separation cylinder impacts the outside of the blades. The blades rotate 360° via the rotating shaft. Starting from the rotating shaft, the blades rotate horizontally 360°. Since the blades are arc-shaped with an arc angle of 90-120°, the blades can assist the solid deposits to move towards one side of the drum during rotation, preventing some solid deposits from adhering to the inner wall of the separation cylinder again due to centrifugal force after the scraper has cleaned the solid deposits.

[0030] 3. The weight of protrusion one is 10-20g greater than that of protrusion two. Therefore, when the rotating frame is not rotating, protrusion one is below the rotating frame and protrusion two is above the rotating frame. The rotating frame is rotatably mounted on one end of the crossbar of the filter plate and the oil drain pipe. Therefore, when the scraper rotates to one side of the drain pipe, the scraper can squeeze to one side of protrusion one. Protrusion one drives the rotating frame to rotate as a whole. The lower end of the rotating frame rotates upward. At this time, protrusion one slides towards the end closer to the middle of the rotating frame.

[0031] 4. The upper part of the rotating frame tilts downward and rotates, while the second protrusion slides downward. At this time, the second protrusion slides towards the end away from the middle of the rotating frame. The weight of the upper part of the rotating frame can be increased by the second protrusion. Therefore, by utilizing the weight difference between the two ends of the rotating frame, the rotating frame can fit and rotate against one end of the filter plate. The rotation of the rotating frame can clean one side of the filter plate, preventing solid deposits from clogging the inside of the drain pipe during the drainage process.

[0032] 5. The rotating frame, protrusion one, and protrusion two repeat the above steps inside the oil drain pipe. When the scraper slides to one side of the oil drain pipe, the rotating frame cleans the inside of the oil drain pipe, preventing grease from clogging the inside of the oil drain pipe. This wastewater treatment device can clean the inside of the drain pipe and the oil drain pipe at the same time as it cleans the solid deposits. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0034] Figure 2 This is a partial structural diagram of the separation cylinder of the present invention.

[0035] Figure 3 This is an exploded view of the overall structure of the present invention.

[0036] Figure 4 This is a schematic diagram of the internal structure of the separation cylinder of the present invention.

[0037] Figure 5 This is a schematic diagram of the drum structure of the present invention.

[0038] Figure 6 This is a schematic diagram of the track assembly of the present invention.

[0039] Figure 7 This is an exploded schematic diagram of the track assembly of the present invention.

[0040] Figure 8 This is a schematic diagram of the drainage pipe assembly of the present invention.

[0041] Figure 9 This is an exploded schematic diagram of the drainage pipe assembly of the present invention.

[0042] Figure 10This is a schematic diagram of the oil drain pipe assembly of the present invention.

[0043] Figure 1-10 In the diagram, the correspondence between component names and drawing numbers is as follows:

[0044] 1-Base, 101-Separation cylinder, 102-Motor, 103-Oil drain pipe, 104-Drain pipe, 2-Output shaft, 201-Drum, 3-Rail, 301-Pull rope, 302-Sliding frame, 303-Scraper, 304-Rotating shaft, 305-Blade, 4-Filter plate, 401-Rotating frame, 402-Protrusion one, 403-Protrusion two. Detailed Implementation

[0045] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0046] Example:

[0047] As attached Figure 1 To be continued Figure 10 As shown:

[0048] Example 1: A wastewater treatment device for dehydration processing of pollock fillets includes a base 1, a separation cylinder 101 at the upper end of the base 1, a motor 102 at the upper end of the separation cylinder 101, an output shaft 2 rotatably connected to the lower end of the motor 102, and a drum 201 rotatably connected to the lower end of the output shaft 2.

[0049] An oil drain pipe 103 runs through one side of the upper end of the separator 101, and a drain pipe 104 runs through one side of the lower end of the separator 101.

[0050] Base 1 is placed on the ground;

[0051] The lower end of the separation cylinder 101 is conical, and the lower end of the separation cylinder 101 has an opening through which the sediment is discharged into the interior of the base 1.

[0052] A feed inlet is provided on one side of the upper end of the separator 101, through which wastewater enters the interior of the separator 101;

[0053] Both the opening and the feed inlet are equipped with valves;

[0054] Motor 102 is connected to the power circuit via a power line, and motor 102 drives drum 201 to rotate at high speed via output shaft 2;

[0055] The rotating drums 201 are arranged vertically inside the separation cylinder 101. The rotating drums 201 are spiral-shaped, with two layers of spirals, one inside and one outside.

[0056] The drum 201 is spiral-shaped, with two layers of spirals, inner and outer. When the drum 201 rotates, it can quickly separate oil, water, and solids of different densities into layers.

[0057] A crossbar is provided at one end of the oil drain pipe 103 near the separator cylinder 101. The crossbar passes through the interior of the oil drain pipe 103. (Refer to the instruction manual for details.) Figure 10 As shown;

[0058] Wherein: A feed inlet is opened on one side of the upper end of the separation cylinder 101. Wastewater enters the interior of the separation cylinder 101 through the feed inlet. The motor 102 drives the drum 201 to rotate through the output shaft 2. The drum 201 uses the strong centrifugal force generated by the high speed rotation to quickly separate oil, water and solids of different densities into layers. Water, due to its high density, gathers at the lower end of the separation cylinder 101, that is, the end away from the output shaft 2, while oil floats on the upper part, that is, the upper part close to the output shaft 2. Therefore, oil can be discharged through the oil drain pipe 103 on the upper side of the separation cylinder 101, water can be discharged through the drain pipe 104 on the lower side of the separation cylinder 101, and some solid deposits are discharged through the opening at the lower end of the separation cylinder 101, while some solid deposits adhere to the inner wall of the separation cylinder 101.

[0059] Example 2: Refer to the attached instruction manual Figure 2-6 It can be seen that the difference between Embodiment 2 and Embodiment 1 is that a track 3 is installed around the middle of the inner wall of the separating cylinder 101, a sliding frame 302 is slidably connected inside the track 3, a pull rope 301 is provided on the side of the sliding frame 302 near the drum 201, scrapers 303 are provided at both ends of the sliding frame 302 near the inner wall of the separating cylinder 101, a rotating shaft 304 is rotatably connected to the end of the scraper 303 near the drum 201, and blades 305 are rotatably surrounded on the outer side of the rotating shaft 304.

[0060] The track 3 is arranged in a circular shape. The sliding frame 302 slides horizontally 360° on the inner side of the track 3. The sliding frame 302 extends to the outer side of the track 3. The end of the sliding frame 302 near the track 3 is cylindrical, and the end of the sliding frame 302 near the scraper 303 is rectangular.

[0061] The end of the sliding frame 302 near the track 3 is cylindrical, facilitating its sliding within the track 3. The end of the sliding frame 302 near the scraper 303 is rectangular, facilitating the installation of the scraper 303 at both ends of the sliding frame 302. (Refer to the instruction manual for details.) Figure 7 As shown;

[0062] The shape of track 3 makes it easy for the drum 201 to slide horizontally 360° by pulling rope 301 when it rotates at high speed;

[0063] The scrapers 303 are arranged vertically. The side of the scraper 303 away from the rotating shaft 304 is slidably attached to the inner wall of the separation cylinder 101. The end of the scraper 303 near the rotating shaft 304 is provided with an opening. The rotating shaft 304 is installed in the opening in a transverse rotation.

[0064] The scraper 303 is arranged vertically. The side of the scraper 303 away from the rotating shaft 304 slides against the inner wall of the separation cylinder 101. When the scraper 303 slides 360° horizontally, the scraper 303 can clean the solid deposits on the inner wall of the separation cylinder 101, avoiding a large amount of solid deposits adhering to the inner wall of the separation cylinder 101 during centrifugation, and facilitating the downward movement of solid deposits inside the separation cylinder 101.

[0065] The rotating shaft 304 is matched with the blade 305. The blade 305 is arc-shaped with an arc angle of 90-120°. The blade 305 is located at the end of the rotating shaft 304 that is close to the rotating drum 201.

[0066] The blade 305 is arc-shaped with an arc angle of 90-120°. Through the shape of the blade 305, the blade 305 can assist the solid deposit to move towards one side of the drum 201 during rotation, and prevent some solid deposits from adhering to the inner wall of the separation cylinder 101 again due to centrifugal force after the scraper 303 has cleaned the solid deposits.

[0067] The blade 305 is located at one end of the rotating shaft 304 near the rotating drum 201. When the scraper 303 slides in the horizontal direction, the wastewater can impact the outside of the blade 305, so the blade 305 can rotate 360° through the rotating shaft 304.

[0068] The pull cord 301 is 2-4cm long and is made of nylon.

[0069] When the drum 201 rotates, the drum 201 drives the sliding frame 302 through the pull rope 301. The sliding frame 302 slides 360° inside the track 3. The scrapers 303 at both ends of the sliding frame 302 slide synchronously. When the scrapers 303 slide 360° horizontally, the scrapers 303 can clean the solid deposits on the inner wall of the separation cylinder 101, avoiding a large amount of solid deposits adhering to the inner wall of the separation cylinder 101 during the centrifugation process. This facilitates the downward movement of solid deposits inside the separation cylinder 101, enabling this wastewater treatment method to quickly clean the solid deposits on the inner wall of the separation cylinder 101 during the oil-water separation process.

[0070] When the scraper 303 rotates 360° horizontally, the wastewater inside the separation cylinder 101 impacts the outside of the blade 305. The blade 305 rotates 360° via the rotating shaft 304. The blade 305 rotates 360° horizontally from the rotating shaft 304. Since the blade 305 is arc-shaped with an arc angle of 90-120°, the blade 305 can assist the solid deposits to move towards one side of the rotating drum 201 during rotation, thus preventing some solid deposits from adhering to the inner wall of the separation cylinder 101 again due to centrifugal force after the scraper 303 has cleaned the solid deposits.

[0071] Example 3: Refer to the attached instruction manual Figure 4 , 8 -10 It can be seen that the difference between Example 3 and Examples 1 and 2 is that a filter plate 4 is installed at one end of the drain pipe 104 near the separator 101, and a rotating frame 401 is rotatably fitted at one end of the crossbar of the filter plate 4 and the oil drain pipe 103. The inner sides of the two ends of the rotating frame 401 are slidably connected with a protrusion 1 402 and a protrusion 2 403.

[0072] The filter plate 4 has multiple through holes with a diameter of 0.3-0.7 cm.

[0073] Since the drain pipe 104 is located below the side of the separation cylinder 101, and a filter plate 4 is provided inside the drain pipe 104, the solid deposits can be prevented from entering the drain pipe 104 and being discharged during the downward movement of the filter plate 4.

[0074] A rotating frame 401 is rotatably fitted onto one end of the crossbar of both the filter plate 4 and the oil drain pipe 103. A locking block, cylindrical in shape, is provided at the end of the crossbar of both the filter plate 4 and the oil drain pipe 103 near the rotating frame 401. The middle of the rotating frame 401 is rotatably fitted onto the outside of the locking block. (Refer to the attached instruction manual for details.) Figure 9 and 10 As shown;

[0075] The rotating frame 401 has a circular shape in the middle and rectangular shapes at both ends. One side of each end of the rotating frame 401 rotates and fits into the surface of the filter plate 4.

[0076] The rotating frame 401 has grooves at both ends. Protrusion 1 402 and protrusion 2 403 slide inside the grooves respectively. The weight of protrusion 1 402 is 10-20g greater than that of protrusion 2 403. Protrusion 1 402 extends 0.5-1cm to the outside of oil drain pipe 103 and drain pipe 104. Protrusion 1 402 is made of deformable material, such as rubber.

[0077] The weight of protrusion 1 (402) is 10-20g greater than that of protrusion 2 (403). Therefore, when the rotating frame 401 is not rotating, protrusion 1 (402) is below the rotating frame 401, and protrusion 2 (403) is above the rotating frame 402. Please refer to the instruction manual appendix. Figure 8As shown;

[0078] The protrusion 402 extends 0.5-1cm to the outside of the oil drain pipe 103 and the drain pipe 104, that is, the protrusion 402 extends into the interior of the separator 101. When the scraper 303 moves horizontally, the scraper 303 can squeeze to one side of the protrusion 402.

[0079] The protrusion 402 is made of a deformable material, such as rubber. By setting the material of the protrusion 402, when the scraper 303 presses against one side of the protrusion 402, the protrusion 402 can be squeezed and deformed into the groove of the rotating frame 401, so that the scraper 303 can continue to slide on the inner wall of the separation cylinder 101.

[0080] Among them, the weight of protrusion 1 402 is 10-20g greater than that of protrusion 2 403. Therefore, when the rotating frame 401 is not rotating, protrusion 1 402 is below the rotating frame 401 and protrusion 2 403 is above the rotating frame 402. The rotating frame 401 is rotatably mounted on one end of the crossbar of the filter plate 4 and the oil drain pipe 103. Therefore, when the scraper 303 rotates to one side of the drain pipe 104, the scraper 303 can squeeze to one side of protrusion 1 402. Protrusion 1 402 drives the rotating frame 401 to rotate as a whole. The lower end of the rotating frame 401 rotates upward. At this time, protrusion 1 402 slides towards the end closer to the middle of the rotating frame 401.

[0081] The upper end of the rotating frame 401 is tilted downward and rotates, while the second protrusion 403 slides downward. At this time, the second protrusion 403 slides towards the end away from the middle of the rotating frame 401. The second protrusion 403 can increase the weight of the upper end of the rotating frame 401. Therefore, by utilizing the weight difference between the two ends of the rotating frame 401, the rotating frame 401 can rotate in close contact with one end of the filter plate 4. The rotation of the rotating frame 401 can clean one side of the filter plate 4, preventing solid deposits from clogging the inside of the drain pipe 104 during the drainage process.

[0082] The rotating frame 401, protrusion 1 402 and protrusion 2 403 repeat the above steps inside the oil drain pipe 103. When the scraper 303 slides to one side of the oil drain pipe 103, the rotating frame 401 cleans the inside of the oil drain pipe 103, preventing grease from clogging the inside of the oil drain pipe 103. This wastewater treatment device can clean the inside of the drain pipe 104 and the oil drain pipe 103 while cleaning the solid deposits.

Claims

1. A wastewater treatment device for dehydration processing of Alaska pollock fillets, characterized in that: Includes a base (1), the upper end of which is provided with a separation cylinder (101), the upper end of which is provided with a motor (102), the lower end of which is rotatably connected to an output shaft (2), and the lower end of the output shaft (2) is rotatably connected to a drum (201). An oil drain pipe (103) runs through one side of the upper end of the separator (101), and a drain pipe (104) runs through the lower side of the separator (101). The lower end of the separation cylinder (101) is conical, and the lower end of the separation cylinder (101) has an opening, through which the sediment is discharged from the interior of the base (1); A feed inlet is provided on one side of the upper end of the separator (101), and wastewater enters the interior of the separator (101) through the feed inlet; A crossbar is provided at one end of the oil drain pipe (103) near the separator (101), and the crossbar passes through the interior of the oil drain pipe (103).

2. The wastewater treatment device for dehydration processing of Alaska pollock fillets according to claim 1, characterized in that: The rotating drums (201) are arranged vertically inside the separation cylinder (101), and the rotating drums (201) are spiral-shaped with two layers of spirals, one inside and one outside.

3. The wastewater treatment device for dehydration processing of Alaska pollock fillets according to claim 1, characterized in that: A track (3) is installed around the middle of the inner wall of the separator (101). A sliding frame (302) is slidably connected inside the track (3). A pull rope (301) is provided on the side of the sliding frame (302) near the drum (201). Scrapers (303) are provided at both ends of the sliding frame (302) near the inner wall of the separator (101). A rotating shaft (304) is rotatably connected to one end of the scraper (303) near the drum (201). A blade (305) is rotatably surrounded on the outside of the rotating shaft (304).

4. The wastewater treatment device for dehydration processing of Alaska pollock fillets according to claim 3, characterized in that: The track (3) is arranged in a circular shape. The sliding frame (302) slides horizontally 360° on the inner side of the track (3). The sliding frame (302) extends to the outer side of the track (3). The end of the sliding frame (302) near the track (3) is cylindrical, and the end of the sliding frame (302) near the scraper (303) is rectangular.

5. The wastewater treatment device for dehydration processing of Alaska pollock fillets according to claim 3, characterized in that: The scraper (303) is arranged vertically. The side of the scraper (303) away from the rotating shaft (304) is slidably attached to the inner wall of the separation cylinder (101). The end of the scraper (303) near the rotating shaft (304) is provided with an opening. The rotating shaft (304) is installed in the opening in a transverse rotation.

6. The wastewater treatment device for dehydration processing of Alaska pollock fillets according to claim 3, characterized in that: The rotating shaft (304) is matched with the blade (305). The blade (305) is arc-shaped with an arc angle of 90-120°. The blade (305) is located at the end of the rotating shaft (304) near the drum (201).

7. The wastewater treatment device for dehydration processing of Alaska pollock fillets according to claim 1, characterized in that: A filter plate (4) is installed at one end of the drain pipe (104) near the separator (101). A rotating frame (401) is rotatably mounted on one end of the crossbar of the filter plate (4) and the oil drain pipe (103). A protrusion one (402) and a protrusion two (403) are slidably connected on the inner sides of both ends of the rotating frame (401).

8. The wastewater treatment device for dehydration processing of Alaska pollock fillets according to claim 7, characterized in that: The filter plate (4) has multiple through holes with a diameter of 0.3-0.7 cm.

9. The wastewater treatment device for dehydration processing of Alaska pollock fillets according to claim 7, characterized in that: The rotating frame (401) is circular in the middle and rectangular at both ends. One side of each end of the rotating frame (401) rotates and fits against the surface of the filter plate (4).

10. The wastewater treatment device for dehydration processing of Alaska pollock fillets according to claim 7, characterized in that: The rotating frame (401) has grooves at both ends. Protrusion 1 (402) and protrusion 2 (403) slide inside the grooves respectively. The weight of protrusion 1 (402) is 10-20g greater than that of protrusion 2 (403). Protrusion 1 (402) extends 0.5-1cm to the outside of the oil drain pipe (103) and the drain pipe (104).

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