A device for removing fishy smell in production of caoutchouc products

Abstract

The utility model discloses a kind of fish leather product production are used to remove fishy smell device, comprising: soaking tank, central position is equipped with rotary seat, the rotary seat has fixed part and rotary part, the central position of the rotary part is equipped with water guide channel;Water guide column is equipped with water guide cavity, the water guide cavity is communicated with the water guide channel, the water guide cavity is equipped with several water guide ports;Water guide pipe is inserted in the water guide port, pipe wall is equipped with several through holes;Circulating water tank is equipped with first pipeline and second pipeline, first pipeline and second pipeline communicate the soaking tank and the circulating water tank constitute circulating water path, the circulating water tank is also equipped with third pipeline, the third pipeline passes through the fixed part and is communicated with the water guide channel.The soaking liquid of the utility model can fully contact the inner wall of tubular fish leather, and the fishy smell substance between collagen fiber gaps is released by water flow impact, which greatly improves the removal rate of fishy smell substance and solves the problem that the inner wall of fish leather is difficult to reach in traditional soaking.

Description

Technical Field

[0001] This utility model relates to the field of production equipment for fish maw products, and in particular to a deodorizing device for the production of fish maw products. Background Technology

[0002] In fish maw products, to maintain the integrity of some high-end fish maws, the inner wall of the swim bladder is not cut open; only the external mucus and blood are cleaned. This includes the swim bladders of large deep-sea fish (such as golden threadfin, white fish maw, and red-mouthed fish maw). During processing, the swim bladder's complete shape must be preserved. After cleaning, gutting (or not cutting open for some fish species), and drying, it forms a tubular shape. In these types of fish maw products, to maintain the tubular shape, the swim bladder is usually not cut open or only partially cut open, and the inner wall cannot be fully exposed. This makes it difficult to thoroughly clean the mucus and blood from the inner wall, and residual substances in some corners or folds can easily become a source of fishy odor. Furthermore, the inner membrane cannot be scraped off, and the fat and nitrogenous compounds (such as trimethylamine) in the membrane are not removed, resulting in even more residual fishy substances.

[0003] In traditional soaking equipment, gravity causes the tubular fish maw to sink to the bottom or be compressed together, potentially flattening or sealing the openings of the cavities and preventing water from entering. Furthermore, when the tubular fish maw is placed in a water tank, the water level only covers the outer surface, creating "air pockets" inside the cavities, making it difficult for odorous substances to dissolve. This is especially problematic for high-end tubular fish maw products (such as coin-shaped or spider-shaped fish maw) that need to retain their shape to maintain their commercial value. Using strong penetrating cleaning methods, such as high-pressure water jets directly into the cavities, would damage the appearance of the fish maw products. Utility Model Content

[0004] The purpose of this utility model is to provide a deodorizing device for the production of fish maw products, so as to solve one or more technical problems existing in the prior art, and at least provide a beneficial option or create conditions.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0006] This utility model provides a deodorizing device for the production of fish maw products, comprising:

[0007] The soaking tank has a rotating seat at its center. The rotating seat has a fixed part located on the outer side of the tank bottom and a rotating part located on the inner side of the tank bottom. The fixed part is equipped with a rotating motor, which drives the rotating part to rotate. A water guiding channel is located at the center of the rotating part.

[0008] A water guide column is fixedly mounted on the rotating part. A water guide cavity is provided at the axial center of the water guide column. The water guide cavity is connected to the water guide channel. The water guide cavity extends outward from the axial center through the side wall of the water guide column to form a plurality of water guide ports. The water guide ports are inclined upward, and the direction of penetration of the water guide ports is inclined at an angle to the horizontal plane.

[0009] A water guide pipe is inserted into the water guide port, and the wall of the water guide pipe is provided with several through holes;

[0010] The circulating water tank is provided with a first pipe and a second pipe. The first pipe and the second pipe connect the soaking tank and the circulating water tank to form a circulating water circuit. The circulating water tank is also provided with a third pipe, which passes through the fixed part and connects to the water guiding channel.

[0011] During operation, the tubular fish maw products are inserted into the water inlet pipe, and soaking solution is injected into the soaking tank to ensure complete immersion of the fish maw. At this point, a rotating part driven by a rotary motor rotates, distributing the water evenly across the surface of the fish maw products. This ensures more thorough contact between the products and the soaking solution, making it easier to dissolve and remove fishy-smelling substances (such as water-soluble nitrogenous compounds), thus solving the problem of difficult-to-clean residues in corners or folds of the fish maw products.

[0012] During the soaking process, a circulating water system is formed by connecting the soaking tank and the circulating water tank through the first and second pipes. Because the fishy-smelling substances (such as trimethylamine, histamine, and mucin) on the surface of the fish maw dissolve in water, a high-concentration boundary layer forms around the fish maw, hindering further dissolution of the internal fishy-smelling substances. The circulating water system, driven by a water pump, continuously flows the soaking solution, constantly flushing the surface of the fish maw, breaking down the boundary layer, and allowing fresh water to continuously contact the fish maw, thus improving the efficiency of removing the fishy smell. A third pipe connects to the water guide channel, supplying soaking solution to the water guide cavity. The soaking solution in the water guide cavity enters the water guide pipe through the water guide port and flows out through the through-hole on the water guide pipe. Since the fish maw product is inserted into the water guide pipe, the soaking solution flowing out from the water guide pipe and through the through-hole can fully contact the inner wall of the tubular fish maw. The water flow impact causes the fishy-smelling substances between the collagen fibers to be released, significantly improving the removal rate of the fishy-smelling substances. The water flow flushing can peel off the viscous protein membrane, increasing the release rate of the fishy-smelling substances and solving the problem that traditional soaking methods struggle to reach the inner wall of the fish maw.

[0013] As an extension of the above solution, the soaking tank is also provided with an annular flexible net. The lower and upper ring sides of the annular flexible net are provided with several hooks, and the outer wall of the rotating part and the top of the water guide column are provided with several hooks. The hooks on the lower ring side are hooked on the hooks of the rotating part, and the hooks on the upper ring side are hooked on the hooks of the water guide column, so that the annular flexible net covers the entire water guide pipe.

[0014] This extended technical solution improves the stability of rinsing and soaking fish maw in the water guide tube, preventing the fish maw from coming out of the water guide tube during soaking due to the rotation of the water guide column and the water output from the water guide tube, thus ensuring the deodorizing effect on the inner wall of the fish maw.

[0015] As an extension of the above solution, the lower and upper ring sides of the annular flexible net are tapered relative to the center of the annular flexible net. This tapering design means that, under normal conditions, the size of the openings on the upper and lower sides is smaller than the circumference of the center of the annular flexible net. This design ensures that during the soaking process of the fish maw product, the fish maw in the uppermost and lowermost water guide pipes is not subjected to excessive stress, thus preventing damage to the fish maw.

[0016] As an extension of the above solution, the circulating water tank has a filtration section that divides the circulating water tank into an inlet area and a filtration area. The first pipe connects the lower part of the soaking tank to the inlet area, and the second pipe connects the upper part of the soaking tank to the filtration area.

[0017] This extended technical solution removes impurities and odor molecules from the water in real time through the filtration unit, keeping the water at a low concentration of impurities and odor molecules. This promotes the continuous diffusion of fish maw's internal fishy-smelling substances into the water, significantly improving the deodorizing effect. At the same time, it can intercept detached mucus, debris, and other solid impurities, preventing them from adhering to the surface of the fish maw or being reabsorbed, thus avoiding secondary pollution problems.

[0018] As an extension of the above solution, one end of the third pipe is connected to the filtration zone, and the other end is connected to the water guiding channel. The soaking liquid in the filtration zone is filtered by the filtration unit and supplied to the water guiding chamber through the third pipe. The soaking liquid in the water guiding chamber is sprayed out through the through hole of the water guiding pipe, continuously washing the inner surface of the fish maw, breaking down the boundary layer, so that the filtered soaking liquid continuously contacts the inner wall of the fish maw. The slight washing action of the water flow can help to remove oil and impurities from the surface of the fish maw, which is more thorough than static soaking in removing fishy smell.

[0019] As an extension of the above solution, the circulating water tank is equipped with a water pump. The water pump pumps the soaking liquid in the soaking tank to the water inlet area through the first pipe, and pumps the soaking liquid in the filtration area to the soaking tank through the second and third pipes to form a circulating water circuit. Flow regulating valves are respectively installed on the first, second and third pipes.

[0020] This extended solution creates a circulating water path between the soaking tank and the circulating water tank. Flow control valves are independently installed on three pipes to regulate the water flow between the tank, soaking tank, and water guide cavity. The tank filtration and water circulation achieve multiple mechanisms, including dynamic water purification, uniform component action, and resource conservation. This solves the problems of low efficiency, poor consistency, and high hygiene risks associated with traditional static soaking for removing fishy odors. Furthermore, the combination of the third pipe, water guide cavity, and water guide tube enables internal rinsing of the tubular fish maw, further overcoming the limitations of traditional soaking and achieving deep removal of fishy odors from fish maw products.

[0021] As an extension of the above solution, the water inlet is provided with an internal thread section, and the end of the water guide pipe is provided with an external thread section. The water guide pipe is fixed to the water guide column through the external and internal thread sections. This threaded connection improves the ease of installation and disassembly, while ensuring a secure connection and preventing the water guide pipe from falling off during the rotation of the water guide column, thus improving the stability of the soaking and deodorizing process.

[0022] As an extension of the above solution, a sealing head is provided on the water inlet, and the sealing head is fixed to the water inlet by a threaded connection. During the process of removing the fishy smell from a small amount of fish maw product by soaking, the sealing head can be used to seal part of the water inlet, reducing the flow of soaking liquid in some inlets. This allows the filtered soaking liquid to concentrate on removing the fishy smell from the inner wall of the soaked fish maw, improving the efficiency of fishy smell removal.

[0023] As an extension of the above solution, the top of the water guide column is a closed end. This closed design of the top of the water guide column facilitates control of the flow pressure of the soaking liquid in the water guiding cavity, while also improving the utilization rate of the filtered soaking liquid.

[0024] As an extension of the above solution, a drain pipe is provided at the bottom of the soaking tank. After soaking, the liquid is quickly drained through the drain pipe to prevent the fish maw from becoming overly mushy due to prolonged soaking. Attached Figure Description

[0025] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0026] Figure 1 This is a schematic diagram of the deodorizing device in the embodiment;

[0027] Figure 2 This is a schematic diagram of the water guide column in the embodiment;

[0028] Figure 3 This is a schematic diagram of the water pipe structure in an embodiment.

[0029] In the attached diagram: 100: soaking tank, 110: fixing part, 120: rotating part, 121: hook, 130: rotating motor, 140: water guiding channel, 150: annular flexible net, 151: lower ring side, 152: upper ring side, 153: hook rope, 160: drainage pipe, 200: water guiding column, 210: water guiding cavity, 220: water guiding port, 221: internal thread section, 300: water guiding pipe, 310: through hole, 320: external thread section, 400: circulating water tank, 410: first pipe, 420: second pipe, 430: third pipe, 440: filter part, 450: water inlet area, 460: filter area. Detailed Implementation

[0030] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0031] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0032] In the description of this utility model, if there are words such as "several", they mean one or more, "multiple" means two or more, "greater than", "less than", "exceeding" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself.

[0033] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0034] Reference Figures 1 to 3 The following are several embodiments of a deodorizing device for the production of fish maw products according to this utility model.

[0035] like Figures 1 to 3 As shown, a deodorizing device for the production of fish maw products includes:

[0036] The soaking tank 100 has a rotating seat at its center. The rotating seat has a fixed part 110 located on the outer side of the tank bottom and a rotating part 120 located on the inner side of the tank bottom. The fixed part 110 is equipped with a rotary motor 130, which drives the rotating part 120 to rotate. The rotating part 120 has a water guiding channel 140 at its center.

[0037] A water guide column 200 is fixedly mounted on the rotating part 120. A water guide cavity 210 is provided at the axial position of the water guide column 200. The water guide cavity 210 is connected to the water guide channel 140. The water guide cavity 210 extends outward from the axial position through the side wall of the water guide column 200 to form a plurality of water guide ports 220. The water guide ports 220 are inclined upward, and the direction of penetration of the water guide ports 220 is inclined at an angle to the horizontal plane.

[0038] A water guide pipe 300 is inserted into the water guide port 220, and the pipe wall of the water guide pipe 300 is provided with a plurality of through holes 310.

[0039] The circulating water tank 400 is provided with a first pipe 410 and a second pipe 420. The first pipe 410 and the second pipe 420 connect the soaking tank 100 and the circulating water tank 400 to form a circulating water circuit. The circulating water tank 400 is also provided with a third pipe 430. The third pipe 430 passes through the fixing part 110 and connects with the water guiding channel 140.

[0040] In this embodiment, the rotary motor 130 is fixed to the bottom of the soaking tank 100. The output shaft of the rotary motor 130 passes through the fixed part 110 and is connected to the rotary part 120 for transmission. The water guide channel 140 is formed by passing through the axial position of the rotary part 120 and the fixed part 110 to form a channel for liquid flow. The water guide channel 140 is dynamically sealed between the rotary part 120 and the fixed part 110, such as by using a rotary sealing ring to achieve a rotary sealing connection between the rotary part and the fixed part. The water guiding cavity 210 is a cylindrical cavity structure with an open bottom and a closed top, and is coaxially arranged with the water guiding column 200. The water guiding port 220 is a liquid flow port that penetrates the cavity wall of the water guiding cavity. It is inclined upward, and the inclination of the water guiding port 220 to the horizontal plane has an inclination angle β, preferably 10° to 45°. The through hole 310 refers to the liquid flow channel formed by penetrating the pipe wall of the water guiding pipe 300, so that the water in the water guiding cavity 210 enters the water guiding pipe 300 from the water guiding port 220 and flows outward from the through hole 310.

[0041] During operation, the tubular fish maw products are inserted into the water inlet pipe, and soaking solution is injected into the soaking tank to ensure complete immersion of the fish maw. A rotating unit driven by a rotary motor then rotates, evenly distributing water across the surface of the fish maw products. Technicians can adjust the rotation control according to specific conditions, such as using periodic rotation control at a frequency of 5 times per minute, with each rotation lasting 5 seconds and alternating between forward and reverse rotation at a low, slow speed. This ensures more thorough contact between the fish maw products and the soaking solution, making it easier to dissolve and remove fishy-smelling substances (such as water-soluble nitrogenous compounds), thus solving the problem of difficult-to-clean residues in corners or folds of the fish maw products.

[0042] Furthermore, during the soaking process, the soaking tank and the circulating water tank are connected by the first and second pipes to form a circulating water circuit. As the fishy substances (such as trimethylamine, histamine, and mucin) on the surface of the fish maw dissolve in the water, a high-concentration boundary layer is formed around the fish maw, which hinders the further dissolution of the internal fishy substances. The circulating water circuit drives the water flow through the water pump to continuously flush the surface of the fish maw, destroy the boundary layer, and allow fresh water to continuously contact the fish maw, thereby improving the efficiency of removing fishy smell.

[0043] Furthermore, during the soaking process, water is supplied to the water-guiding cavity through a third pipe connected to the water-guiding channel. The water in the water-guiding cavity enters the water-guiding pipe through the water-guiding inlet and flows out through the through hole on the water-guiding pipe. Since the fish maw product is inserted into the water-guiding pipe, the soaking liquid flowing out from the water-guiding pipe and through the through hole can fully contact the inner wall of the tubular fish maw. The water flow impact causes the fishy smell substances in the gaps between the collagen fibers to be released, greatly improving the removal rate of fishy smell substances. Fishy smell substances (blood, mucus, fat) are hidden in the inner wall of the cavity and in the folds. The mucous membrane, blood vessels, and fat layer of the swim bladder inner wall are tightly attached to the cavity wall. Conventional soaking can only act on the outer surface of the fish maw and cannot reach the core source of fishy smell. Fishy smell substances need to penetrate the collagen wall with a thickness of about 2-5mm to dissolve, which takes as long as 6-12 hours. The water guide pipe in this embodiment enables water to continuously circulate from the inside of the fish maw to the outside, forming a forced convection circulation of water inside and outside the fish maw. This prevents stagnant water areas from forming inside the fish maw, which would lead to uneven removal of the fishy smell. Furthermore, the soaking liquid flowing out of the water guide pipe can effectively flush the inner wall of the cylindrical fish maw (excessive water pressure may cause the thin parts of the maw to crack. Technicians can adjust the pressure to avoid damage to the fish maw. For example, fish maw with a diameter ≤5cm can use a low-pressure mode of 0.15MPa). The water flow can peel off the sticky protein film, increasing the release rate of fishy substances and solving the problem that traditional soaking methods cannot reach the inner wall of the fish maw.

[0044] like Figure 1 As shown, in some embodiments, the soaking tank 100 is further provided with an annular flexible net 150. The lower ring side 151 and the upper ring side 152 of the annular flexible net 150 are provided with a plurality of hooks 153. The outer wall of the rotating part 120 and the top of the water guide column 200 are provided with a plurality of hooks 121. The hooks of the lower ring side 151 are hooked on the hooks 121 of the rotating part 120, and the hooks 153 of the upper ring side 152 are hooked on the hooks of the water guide column 200, so that the annular flexible net 150 covers the entire water guide pipe 300.

[0045] In this embodiment, the annular flexible mesh has a ring-shaped structure, with the top and bottom connected. It is sleeved on the water guide column and water guide pipe, covering the entire structure formed by the water guide column and water guide pipe. This prevents the fish maw from detaching from the water guide pipe during the soaking process and when water is discharged from the water guide pipe. To meet the balance between fixing the fish maw and the flow of water or soaking liquid, it is preferable to have 2-4mm square or diamond-shaped holes (suitable for tubular fish maw with a diameter of 3-10cm, and a porosity controlled at 40%-60%) to achieve flexible fixation of the fish maw. Flexible materials include food-grade nylon 66 mesh (the main component is polyhexamethylene adipamide, with added food-grade lubricants such as ethylene bis-stearamide to improve flexibility), polyester fiber mesh (woven from polyethylene terephthalate and heat-set to improve dimensional stability), and silicone-coated nylon composite mesh (the base fabric is nylon 6 mesh, coated on one side with 0.1-0.3mm of food-grade silicone; the silicone layer can deform to fit the curved surface of the fish glue, improving the anti-loosening effect).

[0046] This embodiment improves the stability of rinsing and soaking fish maw in the water guide tube, preventing the fish maw from coming out of the water guide tube during soaking due to the rotation of the water guide column and the water output from the water guide tube, thus ensuring the deodorizing effect on the inner wall of the fish maw.

[0047] In some specific embodiments, the lower ring side 151 and upper ring side 152 of the annular flexible net 150 are tapered relative to the middle of the annular flexible net 150. This tapering configuration means that, under normal conditions, the size of the openings on the upper and lower sides is smaller than the circumference of the middle of the annular flexible net. This configuration ensures that during the soaking process of the fish maw product, the fish maw in the uppermost and lowermost water guide pipes is not subjected to excessive stress, thus preventing damage to the fish maw.

[0048] like Figure 1 As shown, in some embodiments, the circulating water tank 400 has a filter section 440, which divides the circulating water tank 400 into an inlet area 450 and a filter area 460. The first pipe 410 connects the lower part of the soaking tank 100 to the inlet area 450, and the second pipe 420 connects the upper part of the soaking tank 100 to the filter area 460.

[0049] In this embodiment, a circulating water circuit is formed between the circulating water tank and the soaking tank via a first pipe and a second pipe. The filtration unit employs one or more combinations of filters such as a filter screen, a sand filter, or a membrane module. This allows it to intercept particulate impurities, such as mucus, blood streaks, and fat debris detached from the surface of the fish maw; it can also intercept dissolved macromolecules, such as some protein degradation products and fat-soluble fishy-smelling substances (through activated carbon adsorption or flocculant precipitation). This embodiment removes impurities and odor molecules from the water in real time through the filtration unit, maintaining a low concentration of impurities and odor molecules in the water. This promotes the continuous diffusion of fishy-smelling substances from inside the fish maw into the water, significantly improving the deodorizing effect. At the same time, it intercepts detached mucus, debris, and other solid impurities, preventing them from adhering to the surface of the fish maw or being reabsorbed, thus avoiding the secondary pollution problem of "the more you soak, the dirtier it gets."

[0050] like Figure 1 As shown, in some embodiments, one end of the third pipe 430 is connected to the filter zone 460, and the other end is connected to the water guide channel 140.

[0051] In this embodiment, the soaking liquid in the filtration zone is filtered by the filtration unit and supplied to the water guide chamber through the third pipe. The soaking liquid in the water guide chamber is sprayed out through the through hole of the water guide pipe, continuously washing the inner surface of the fish maw, breaking the boundary layer, so that the filtered soaking liquid continuously contacts the inner wall of the fish maw. The slight washing action of the water flow can help to remove the oil and impurities on the surface of the fish maw, which is more comprehensive than static soaking to remove fishy smell. If a deodorizing agent (such as cooking wine, vinegar, ginger extract, biological enzymes, etc.) is added to the soaking liquid, the water circulation can make the agent evenly dispersed by the water flow, avoiding the difference in deodorizing effect caused by uneven local concentration.

[0052] like Figure 1 As shown, in some embodiments, the circulating water tank 400 is equipped with a water pump 470. The water pump 470 pumps water from the soaking tank 100 to the water inlet area 450 through the first pipe 410, and pumps water from the filtration area 460 to the soaking tank 100 through the second pipe 420 and the third pipe 430 to form a circulating water circuit. Flow regulating valves are respectively installed on the first pipe 410, the second pipe 420 and the third pipe 430.

[0053] Those skilled in the art will understand that the use of a water pump to draw water from the soaking tank and to provide water pressure are existing technologies. In this embodiment, there may be only one water pump, such as... Figure 1 As shown, it is set on the first pipe. At this time, the circulating water tank needs to be sealed or maintain a certain pressure so that the water pump can provide water circulation driving force to the filter section, the second pipe and the third pipe, etc. Alternatively, according to the actual situation, existing technology can be used to add relevant pump bodies to realize water circulation between the soaking tank and the circulating water tank and water supply to the water guide cavity. This will not be elaborated on here.

[0054] This embodiment establishes a circulating water path between the soaking tank and the circulating water tank, and controls the water flow between the water tank, the soaking tank, and the water guiding chamber through three independently installed flow regulating valves on the pipes. The water tank filtration and water circulation achieve multiple mechanisms such as dynamic water purification, uniform action of components, and resource conservation, solving the problems of low efficiency, poor consistency, and high hygiene risks of traditional static soaking for deodorization. At the same time, the combination of the third pipe, the water guiding chamber, and the water guiding pipe realizes the internal rinsing process of the tubular fish maw, further breaking through the limitations of traditional soaking and achieving deep deodorization of fish maw products.

[0055] like Figures 1 to 3 As shown, in some embodiments, the water inlet 220 is provided with an internal thread section 221, and the end of the water guide pipe 300 is provided with an external thread section 320. The water guide pipe 300 is fixed to the water guide column 200 through the external thread section 320 and the internal thread section 221. The threaded connection improves the ease of installation and disassembly, while ensuring a secure connection and preventing the water guide pipe from falling off during the rotation of the water guide column, thus improving the stability of the soaking and deodorizing process.

[0056] like Figure 2 As shown, in some embodiments, a sealing head (not shown in the figure) is provided on the water inlet 220, and the sealing head is fixed to the water inlet 220 by a threaded connection. In this embodiment, during the process of removing the fishy smell from a small amount of fish maw product, the sealing head can be used to seal part of the water inlet, reducing the flow of soaking liquid in some water inlets, increasing the water pressure in the water inlet cavity, so that the filtered soaking liquid can concentrate on removing the fishy smell from the inner wall of the soaked fish maw, thereby improving the efficiency of removing the fishy smell.

[0057] like Figure 2 As shown, in some embodiments, the top of the water guide column 200 is a closed end. Designing the top of the water guide column as a closed end facilitates control of the flow pressure of the soaking liquid in the water guide cavity, while also improving the utilization rate of the filtered soaking liquid.

[0058] like Figure 1As shown, in some embodiments, the bottom of the soaking tank 100 is provided with a drain pipe 160. After soaking, the liquid is quickly drained through the drain pipe 160 to prevent the fish maw from becoming overly mushy due to prolonged soaking. In some specific embodiments, the soaking tank 100 adopts a sloping pot bottom design (slope ≥ 3°) to concentrate residual liquid to the drain outlet of the drain pipe 160. After draining, the water content of the fish maw is more stable, facilitating weighing, cutting, and other processes. After the drain pipe is emptied, the inlet pipe can directly inject cleaning water (such as disinfectant containing 0.1% sodium hypochlorite) to spray and clean the fish maw, reducing cross-contamination. Traditional soaking tanks are prone to residual sewage in corners due to incomplete drainage, becoming a breeding ground for microorganisms (such as Pseudomonas aeruginosa causing mucus deterioration). The diameter and position of the drain pipe 160 are located at the lowest point of the soaking tank, ensuring complete drainage. Combined with the external cleaning system (injecting cleaning agent through the inlet pipe), it achieves thorough cleaning without dead corners.

[0059] The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to the described embodiments. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and these equivalent modifications or substitutions are all included within the scope defined by the claims of this application.

Claims

1. A deodorizing device for the production of fish maw products, characterized in that, include: The soaking tank (100) has a rotating seat at its center. The rotating seat has a fixed part (110) on the outside of the bottom of the tank and a rotating part (120) on the inside of the bottom of the tank. The fixed part (110) is equipped with a rotary motor (130) for driving the rotating part (120) to rotate. The rotating part (120) has a water guiding channel (140) at its center. A water guide column (200) is fixedly mounted on the rotating part (120). A water guide cavity (210) is provided at the axial position of the water guide column (200). The water guide cavity (210) is connected to the water guide channel (140). The water guide cavity (210) extends outward from the axial position through the side wall of the water guide column (200) to form a plurality of water guide ports (220). The water guide ports (220) are inclined upward. The direction of the water guide ports (220) inclined upward has an inclination angle with the horizontal plane. A water guide pipe (300) is inserted into the water guide port (220), and the pipe wall of the water guide pipe (300) is provided with several through holes (310). The circulating water tank (400) is provided with a first pipe (410) and a second pipe (420). The first pipe (410) and the second pipe (420) connect the soaking tank (100) and the circulating water tank (400) to form a circulating water circuit. The circulating water tank (400) is also provided with a third pipe (430). The third pipe (430) passes through the fixing part (110) and connects with the water guiding channel (140).

2. The deodorizing device for producing fish maw products according to claim 1, characterized in that: The soaking tank (100) is also provided with an annular flexible net (150). The lower ring side (151) and upper ring side (152) of the annular flexible net (150) are provided with a number of hooks (153). The outer wall of the rotating part (120) and the top of the water guide column (200) are provided with a number of hooks (121). The hooks (153) of the lower ring side (151) are hooked on the hooks (121) of the rotating part (120), and the hooks (153) of the upper ring side (152) are hooked on the hooks (121) of the water guide column (200), so that the annular flexible net (150) covers the entire water guide pipe (300).

3. The deodorizing device for producing fish maw products according to claim 2, characterized in that: The lower ring side (151) and upper ring side (152) of the annular flexible mesh (150) are tapered relative to the middle of the annular flexible mesh (150).

4. The deodorizing device for producing fish maw products according to claim 1, characterized in that: The circulating water tank (400) has a filter section (440) that divides the circulating water tank (400) into an inlet area (450) and a filter area (460). The first pipe (410) connects the lower part of the soaking tank (100) to the inlet area (450), and the second pipe (420) connects the upper part of the soaking tank (100) to the filter area (460).

5. The deodorizing device for producing fish maw products according to claim 4, characterized in that: One end of the third pipe (430) is connected to the filter zone (460), and the other end is connected to the water guide channel (140).

6. The deodorizing device for producing fish maw products according to claim 5, characterized in that: The circulating water tank (400) is equipped with a water pump. The water pump pumps the soaking liquid in the soaking tank (100) to the water inlet area (450) through the first pipe (410), and pumps the soaking liquid in the filtration area (460) to the soaking tank (100) through the second pipe (420) and the third pipe (430) to form a circulating water circuit. Flow regulating valves are respectively installed on the first pipe (410), the second pipe (420) and the third pipe (430).

7. The deodorizing device for producing fish maw products according to claim 1, characterized in that: The water inlet (220) is provided with an internal thread section (221), and the end of the water pipe (300) is provided with an external thread section (320). The water pipe (300) is fixed on the water column (200) through the external thread section (320) and the internal thread section (221).

8. The deodorizing device for producing fish maw products according to claim 7, characterized in that: The water inlet (220) is provided with a sealing head, which is fixed to the water inlet (220) by a threaded connection.

9. The deodorizing device for producing fish maw products according to claim 1, characterized in that: The top of the water guide column (200) is a closed end.

10. The deodorizing device for producing fish maw products according to claim 1, characterized in that: The bottom of the soaking tank (100) is provided with a drain pipe (160).

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