Device for extracting sea cucumber oligopeptide and polysaccharide from sea cucumber deep processing byproducts

By designing a device including crushing, filtration, enzymatic dissection and centrifugation, the waste of raw materials caused by the separation of oligopeptides and polysaccharides in sea cucumber by-products was solved, and efficient co-extraction of oligopeptides and polysaccharides was achieved, saving cost.

CN222455041UActive Publication Date: 2025-02-11FUJIAN BIHAILANWAN BIOLOGICAL ENVIRONMENTAL PROTECTION ENG CO LTD
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Patent Information

Application Number
CN202420436211.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-07
Publication Date
2025-02-11
Estimated Expiration
2034-03-07

AI Technical Summary

Technical Problem

In the existing process of extracting oligopeptides and polysaccharides by-products of sea cucumbers, oligopeptides and polysaccharides are extracted separately, resulting in the inability to extract the remaining oligopeptides or polysaccharides in another part, resulting in waste of raw materials.

Method used

A device for extracting sea cucumber oligopeptides and polysaccharides from deep processing by-products of sea cucumbers is designed, including a crushing box, a filter box, an enzymatic lysis tank and a centrifuge. Oligomerization is achieved through continuous crushing, filtration, enzymatic lysis and centrifugal separation processes. 肽和多糖的共提取。

Benefits of technology

This device can effectively extract sea cucumber oligopeptide and polysaccharide, avoiding waste of raw materials, and the equipment can be used multiple times, saving costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of trepang by-product treatment, in particular to a device for extracting trepang oligopeptide and polysaccharide from trepang deep processing by-products, which comprises a mounting box, a crushing box is arranged on one side of the top end of the outer wall of the mounting box, and a filter box is mounted on the inner wall of the mounting box and positioned below the crushing box; an enzymolysis tank is fixed at the bottom end of the inner wall of the mounting box and is positioned below the filter box, and a centrifugal machine is arranged at the top end of the outer wall of the mounting box and is positioned on one side far away from the crushing box. And the residual precipitate can flow back into the device through the equipment, so that the device can purify and take out the other residual extract by adding an enzymolysis agent corresponding to the other extract, and therefore, the sea cucumber by-products do not need to be separately processed by personnel, and the waste of raw materials is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of sea cucumber by-product processing, in particular to a device for extracting sea cucumber oligopeptides and polysaccharides from sea cucumber deep-processing by-products. Background Art

[0002] After deep processing of sea cucumbers, some sea cucumber skins, sea cucumber bones, sea cucumber viscera, etc. will remain, and these materials are often not usable. Therefore, in order to avoid wasting these materials, production personnel will reprocess them to obtain sea cucumber oligopeptides and polysaccharides.

[0003] In the existing process of extracting oligopeptides and polysaccharides from sea cucumber by-products, oligopeptides and polysaccharides are often extracted separately, which requires personnel to divide the sea cucumber by-products into two batches to extract oligopeptides and polysaccharides, which results in the inability to extract the residual oligopeptides or polysaccharides in another part of the extracted sea cucumber by-product solution, thereby causing a certain amount of raw material waste, and therefore has certain shortcomings.

[0004] In summary, it is necessary to invent a device for extracting sea cucumber oligopeptides and polysaccharides from sea cucumber deep processing by-products. Utility Model Content

[0005] To this end, the utility model provides a device for extracting sea cucumber oligopeptides and polysaccharides from sea cucumber deep processing by-products to solve the problem that the residual oligopeptides or polysaccharides in another part of the taken sea cucumber by-product solution cannot be extracted, thereby causing a certain amount of raw material waste.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a device for extracting sea cucumber oligopeptides and polysaccharides from sea cucumber deep processing by-products, comprising an installation box, a crushing box is arranged on one side of the top end of the outer wall of the installation box, a filter box is installed on the inner wall of the installation box and located below the crushing box, an enzymolysis tank is fixed at the bottom end of the inner wall of the installation box and located below the filter box, a centrifuge is arranged on the top end of the outer wall of the installation box and located on the side away from the crushing box, and the crushing box, the filter box, the enzymolysis tank and the centrifuge are connected by a pipeline.

[0007] Preferably, the top of the inner wall of the crushing box is connected to a feed port, and crushing rollers for crushing sea cucumber by-products are arranged on the front and rear sides of the inner wall of the crushing box and below the feed port.

[0008] Preferably, the filter box is fixed on one side of the inner wall of the installation box, and the inner wall of the filter box is provided with a vibrating filter screen for screening the crushed sea cucumber by-products. The bottom end of the crushing box is connected to the top of the inner wall of the filter box by a feed pipe, and the bottom end of the inner wall of the filter box is connected to one side of the top of the inner wall of the enzymatic hydrolysis tank through a conveying pipe.

[0009] Preferably, a stirring motor is installed at the center of the outer wall of the enzymolysis tank, and stirring rods are rotatably connected to the upper and lower sides of the inner wall of the enzymolysis tank at positions corresponding to the stirring motor, and the bottom output shaft of the stirring motor is fixed to the top of the stirring rod.

[0010] Preferably, an enzymolysis agent storage box is installed at the top of the inner wall of the enzymolysis tank and on one side of the stirring motor. The enzymolysis agent storage box is provided with two storage chambers, and the enzymolysis agents of sea cucumber oligopeptides and polysaccharides are stored in the enzymolysis agent storage box respectively. The bottom ends of the inner walls of the two storage chambers are fixedly connected to drainage pipes.

[0011] Preferably, the bottom of one side of the outer wall of the enzymolysis tank is connected to an infusion pump, the outer wall outlet of the infusion pump is connected to an infusion tube, the centrifuge is rotatably installed on the top of the inner wall of the installation box, the top of the outer wall of the centrifuge is rotatably connected to an upper cover, and the outer wall side end of the upper cover is fixed to the top of the outer wall of the installation box through a fixing frame.

[0012] Preferably, a liquid inlet pipe is fixed at the center of the upper and lower sides of the outer wall of the upper cover, the top of the outer wall of the liquid inlet pipe is connected with a three-way pipe, the upper end of the infusion pipe is connected with the side end of the three-way pipe, and the other end of the three-way pipe away from the infusion pipe is connected with the concentration device through the concentration delivery pipe, and valves are provided on the infusion pipe and the concentration delivery pipe.

[0013] Preferably, a tube sleeve is rotatably connected to the bottom of the outer wall of the liquid inlet pipe, a transmission gear is fixedly sleeved on the upper end of the outer wall of the tube sleeve, and the bottom end of the outer wall of the tube sleeve is fixed to the upper end of the inner wall of the centrifuge through a fixed connecting rod.

[0014] Preferably, a driving motor b is fixed at the top of the outer wall of the upper cover and located on one side of the liquid inlet pipe, the bottom output shaft of the driving motor b passes through the bottom end of the outer wall of the upper cover and a driving gear is fixed at a position corresponding to the transmission gear, the driving gear is meshed with the outer wall of the transmission gear, the bottom end of the outer wall of the liquid inlet pipe and located below the pipe sleeve is connected with a hook-shaped liquid suction pipe, and valves are provided on the hook-shaped liquid suction pipe and the bottom pipe opening of the liquid inlet pipe.

[0015] Preferably, a slag discharge port is provided at the bottom end of the inner wall of the centrifuge, a control valve is provided in the slag discharge port, a slag discharge box is rotatably connected to the bottom end of the outer wall of the centrifuge and located below the slag discharge port through a short tube, and the bottom end of the inner wall of the slag discharge box is connected to the upper side of the inner wall of the enzymatic hydrolysis tank through a slag return pipe.

[0016] The beneficial effects of the utility model are:

[0017] In the utility model, one of the extracts of sea cucumber oligopeptides or polysaccharides contained in the sea cucumber slurry can be purified and taken out by the equipment first, and the remaining precipitate can be returned to the device through the equipment, so that the device can purify and take out the remaining other extract by adding an enzymatic agent corresponding to the other extract, thereby eliminating the need for personnel to separately process the sea cucumber by-products, avoiding waste of raw materials, and the equipment can be used multiple times, which can also save costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the external structure of the utility model in the front view direction;

[0019] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model in the front view direction;

[0020] Figure 3 It is a schematic cross-sectional structure diagram of the centrifuge in the utility model in the front view direction;

[0021] Figure 4 It is a partial structural schematic diagram of the centrifuge in the utility model when viewed from above.

[0022] In the figure: 100, installation box; 200, crushing box; 210, crushing roller; 300, filter box; 310, vibration filter screen; 400, enzymolysis tank; 410, stirring motor; 420, stirring rod; 430, enzymolysis agent storage box; 440, infusion pump; 500, centrifuge; 510, upper cover; 520, liquid inlet pipe; 521, three-way pipe; 522, hook-shaped liquid suction pipe; 530, slag discharge box; 531, slag return pipe; 540, drive motor b; 541, driving gear; 542, transmission gear; 543, pipe sleeve. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0024] See attached Figure 1-4The device for extracting sea cucumber oligopeptides and polysaccharides from sea cucumber deep processing by-products provided by the utility model comprises an installation box 100, a crushing box 200 is arranged on one side of the top end of the outer wall of the installation box 100, a feeding port is connected to the top end of the inner wall of the crushing box 200, and crushing rollers 210 for crushing the sea cucumber by-products are arranged on the front and rear sides of the inner wall of the crushing box 200 and below the feeding port. Specifically, the sea cucumber by-products can be fed into the crushing box 200 through the feeding port, and the crushing rollers 210 can crush the sea cucumber by-products. A filter box 300 is installed on the inner wall of the installation box 100 and below the crushing box 200. The filter box 300 is fixed on one side of the inner wall of the installation box 100, and the inner wall of the filter box 300 is provided with a filter for screening the crushed sea cucumber by-products. The vibrating filter screen 310, the bottom end of the crushing box 200 is connected to the top of the inner wall of the filter box 300 through a feed pipe, and the bottom end of the inner wall of the filter box 300 is connected to one side of the top of the inner wall of the enzymolysis tank 400 through a conveying pipe. Specifically, the crushed sea cucumber by-products will fall onto the vibrating filter screen 310 in the filter box 300, and the vibrating filter screen 310 can filter the crushed sea cucumber slurry, and the solid particles in the sea cucumber slurry will be discharged through the slag discharge port opened at the left end of the filter box 300 and the installation box 100, and the vibrating filter screen 310 is arranged in a left-low and right-high manner, and the filtered sea cucumber slurry will enter the enzymolysis tank 400 through the bottom conveying pipe, and a certain proportion of clean water will be injected into the enzymolysis tank 400 through a water supply pipe on one side of the top to dilute the sea cucumber slurry;

[0025] An enzymolysis tank 400 is fixed at the bottom of the inner wall of the installation box 100 and is located below the filter box 300. A stirring motor 410 is installed at the center of the outer wall of the enzymolysis tank 400. A stirring rod 420 is rotatably connected to the upper and lower sides of the inner wall of the enzymolysis tank 400 and at the corresponding position of the stirring motor 410. The bottom output shaft of the stirring motor 410 is fixed to the top of the stirring rod 420. An enzymolysis agent storage box 430 is installed at the top of the inner wall of the enzymolysis tank 400 and is located on one side of the stirring motor 410. Two storage cavities are arranged in the enzymolysis agent storage box 430. The enzymolysis agents of sea cucumber oligopeptides and polysaccharides are stored in the enzymolysis agent storage box 430 respectively. The bottom ends of the inner walls of the two storage cavities are fixedly connected with drainage pipes. The bottom of one side of the outer wall of the enzymolysis tank 400 is connected to There is an infusion pump 440, and the outer wall outlet of the infusion pump 440 is connected with an infusion tube. Specifically, when the dilution of the sea cucumber slurry is completed, the enzymolysis agent storage box 430 can open the valve on the discharge pipe at the bottom of the chamber storing the corresponding enzymolysis agent, and inject an appropriate amount of enzymolysis agent into the enzymolysis tank 400 through the flow meter. Then, the stirring motor 410 can drive the stirring rod 420 to rotate after being powered on, so that the stirring rod 420 can mix and stir the sea cucumber slurry and the enzymolysis agent, so that the enzymolysis agent can release the corresponding sea cucumber oligopeptide or polysaccharide. After stirring for a period of time, the infusion pump 440 is started, and the infusion pump 440 can absorb the solution and transport the solution to the inlet pipe 520 through the infusion tube;

[0026] A centrifuge 500 is provided at the top of the outer wall of the installation box 100 and is located on a side away from the crushing box 200. The crushing box 200, the filtering box 300, the enzymatic hydrolysis tank 400 and the centrifuge 500 are connected by pipelines. The centrifuge 500 is rotatably installed on the top of the inner wall of the installation box 100. The top of the outer wall of the centrifuge 500 is rotatably connected with an upper cover 510. The side end of the outer wall of the upper cover 510 is fixed to the top of the outer wall of the installation box 100 through a fixing frame. A liquid inlet pipe 520 is fixed at the center of the upper and lower sides of the outer wall of the upper cover 510. The top of the outer wall of the liquid inlet pipe 520 is connected with a three-way pipe 521. The three-way pipe 521 is provided to connect the infusion pipe, the liquid inlet pipe 520 and the concentration delivery pipe. The upper end of the infusion tube is connected with the side end pipe opening of the three-way tube 521, and the other end of the three-way tube 521 away from the infusion tube is connected with the concentration device through the concentration delivery pipe. The infusion tube and the concentration delivery pipe are both provided with valves. The bottom of the outer wall of the liquid inlet tube 520 is rotatably connected with a pipe sleeve 543, and the upper end of the outer wall of the pipe sleeve 543 is fixedly sleeved with a transmission gear 542. The bottom end of the outer wall of the pipe sleeve 543 is fixed to the upper end of the inner wall of the centrifuge 500 through a fixed connecting rod. Specifically, by opening the valve on the infusion tube, the infusion pump 440 can deliver the concentrated solution to the liquid inlet tube 520 through the three-way tube 521, and the liquid inlet tube 520 can add it to the centrifuge 500 through the bottom pipe opening;

[0027] A driving motor b540 is fixed on the top of the outer wall of the upper cover 510 and located on one side of the liquid inlet pipe 520. The bottom output shaft of the driving motor b540 passes through the bottom end of the outer wall of the upper cover 510 and is fixed with a driving gear 541 at a position corresponding to the transmission gear 542. The driving gear 541 is meshed with the outer wall of the transmission gear 542. The bottom end of the outer wall of the liquid inlet pipe 520 and located below the pipe sleeve 543 is connected with a hook-shaped liquid suction pipe 522. Valves are provided on the hook-shaped liquid suction pipe 522 and the bottom pipe opening of the liquid inlet pipe 520. The bottom end of the inner wall of the centrifuge 500 is opened. A slag discharge port is provided, and a control valve is provided in the slag discharge port. The bottom end of the outer wall of the centrifuge 500 and located below the slag discharge port is rotatably connected to a slag discharge box 530 through a short tube. The bottom end of the inner wall of the slag discharge box 530 is connected to the upper side of the inner wall of the enzymolysis tank 400 through a slag return pipe 531. Specifically, the driving motor b540 drives the driving gear 541 to rotate, so that the driving gear 541 can mesh with the driving transmission gear 542 and the pipe sleeve 543 to rotate, so that the pipe sleeve 543 can rotate quickly through the fixed connecting rod, so that the centrifuge 500 can rotate quickly. The added sea cucumber solution can be centrifuged and layered. After completion, the valve on the hook-shaped pipette 522 is opened, and the upper valve of the concentration delivery pipe is opened. The hook-shaped pipette 522 is used to absorb the upper solution through the water pump connected to the other end of the concentration delivery pipe, and the upper solution is transported to the concentration equipment for concentration, so that high-concentration sea cucumber oligopeptides or polysaccharides can be obtained. After the absorption is completed, the control valve in the slag discharge port is opened, and the precipitate at the bottom can enter the slag discharge box 530 through the slag discharge port, and the slag discharge box 530 is transported back to the enzymolysis tank through the slag return pipe 531. 400, and the device can add clean water again to dissolve the precipitate, and then control the enzymatic agent storage box 430 to discharge the enzymatic agent of another material to enzymolyze the solution again, and then repeat the above steps to centrifuge and concentrate the solution again for purification, and the precipitate at the bottom of the centrifuge 500 can be discharged through the waste discharge pipe set at the front end of the slag discharge box 530, and the waste discharge pipe can be closed by a valve when not in use. At the same time, a valve needs to be set on the slag return pipe 531 to seal the discharged waste to avoid backflow into the enzymatic hydrolysis tank 400.

[0028] The use process of the utility model is as follows: first, the sea cucumber by-product after deep processing can be fed into the crushing box 200 through the feeding port, and the crushing roller 210 can crush the sea cucumber by-product, and the crushed sea cucumber by-product will fall onto the vibrating filter screen 310 in the filter box 300, and the vibrating filter screen 310 can filter the crushed sea cucumber slurry, and the solid particles in the sea cucumber slurry will be discharged through the slag discharge port opened at the left end of the filter box 300 and the installation box 100, and the filtered sea cucumber slurry will enter the enzymolysis tank 400 through the bottom delivery pipe, and a certain proportion of clean water will be injected into the enzymolysis tank 400 through the water delivery pipe on the top side to dilute the sea cucumber slurry. When the sea cucumber slurry is diluted After completion, the enzymolysis agent storage box 430 can open the valve on the discharge pipe at the bottom of the chamber storing the corresponding enzymolysis agent, and inject an appropriate amount of enzymolysis agent into the enzymolysis tank 400 through flow meter measurement, and then the stirring motor 410 can drive the stirring rod 420 to rotate after power-on, so that the stirring rod 420 can mix and stir the sea cucumber slurry and the enzymolysis agent, so that the enzymolysis agent can release the corresponding sea cucumber oligopeptide or polysaccharide, and after stirring for a period of time, start the infusion pump 440, and the infusion pump 440 can absorb the solution, and transport the solution to the inlet pipe 520 through the infusion pipe, and add it to the centrifuge 500 through the bottom pipe mouth of the inlet pipe 520;

[0029] The driving motor b540 is powered on to drive the driving gear 541 to rotate, so that the driving gear 541 can mesh with the driving gear 542 and the tube sleeve 543 to rotate, so that the tube sleeve 543 can rotate quickly through the fixed connecting rod to make the centrifuge 500 rotate quickly, so that the added sea cucumber solution can be centrifugally layered. After completion, the valve on the hook-shaped pipette 522 is opened, and the upper valve of the concentration delivery pipe is opened. The hook-shaped pipette 522 is used to absorb the upper layer solution through the water pump connected to the other end of the concentration delivery pipe, and the solution is transported to the concentration device for concentration, so that a high concentration can be obtained. Sea cucumber oligopeptides or polysaccharides, and after the liquid absorption is completed, open the control valve in the slag discharge port, and the precipitate at the bottom can enter the slag discharge box 530 through the slag discharge port, and is transported back to the enzymolysis tank 400 through the slag return pipe 531 by the slag discharge box 530, and the device can add clean water again to dissolve the precipitate, and then control the enzymolysis agent storage box 430 to discharge the enzymolysis agent of another material to enzymolyze the solution again, and then repeat the above steps to centrifuge and concentrate the solution again, and the precipitate at the bottom of the centrifuge 500 can be discharged through the waste discharge pipe set at the front end of the slag discharge box 530.

[0030] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A device for extracting sea cucumber oligopeptides and polysaccharides from sea cucumber deep processing byproducts, comprising an installation box (100), wherein a crushing box (200) is provided on one side of the top end of the outer wall of the installation box (100), characterized in that: A filter box (300) is installed on the inner wall of the installation box (100) and is located below the crushing box (200); an enzymolysis tank (400) is fixed at the bottom end of the inner wall of the installation box (100) and is located below the filter box (300); a centrifuge (500) is provided at the top end of the outer wall of the installation box (100) and is located on a side away from the crushing box (200); and the crushing box (200), the filter box (300), the enzymolysis tank (400) and the centrifuge (500) are connected through a pipeline.

2. The device for extracting sea cucumber oligopeptides and polysaccharides from sea cucumber deep processing byproducts according to claim 1, characterized in that: The top end of the inner wall of the crushing box (200) is connected to a feed inlet, and crushing rollers (210) for crushing sea cucumber by-products are arranged on the front and rear sides of the inner wall of the crushing box (200) and below the feed inlet.

3. The device for extracting sea cucumber oligopeptides and polysaccharides from sea cucumber deep processing byproducts according to claim 2, characterized in that: The filter box (300) is fixed to one side of the inner wall of the installation box (100), and the inner wall of the filter box (300) is provided with a vibrating filter screen (310) for screening the crushed sea cucumber by-products. The bottom end of the crushing box (200) is connected to the top end of the inner wall of the filter box (300) by a feed pipe, and the bottom end of the inner wall of the filter box (300) is connected to one side of the top end of the inner wall of the enzymolysis tank (400) through a conveying pipe.

4. The device for extracting sea cucumber oligopeptides and polysaccharides from sea cucumber deep processing byproducts according to claim 1, characterized in that: A stirring motor (410) is installed at the center of the outer wall of the enzymolysis tank (400), and a stirring rod (420) is rotatably connected to the upper and lower sides of the inner wall of the enzymolysis tank (400) at positions corresponding to the stirring motor (410), and the bottom output shaft of the stirring motor (410) is fixed to the top of the stirring rod (420).

5. The device for extracting sea cucumber oligopeptides and polysaccharides from sea cucumber deep processing byproducts according to claim 4, characterized in that: An enzymolysis agent storage box (430) is installed at the top of the inner wall of the enzymolysis tank (400) and located on one side of the stirring motor (410). The enzymolysis agent storage box (430) is provided with two storage chambers. The enzymolysis agents of sea cucumber oligopeptides and polysaccharides are stored in the enzymolysis agent storage box (430) respectively. The bottom ends of the inner walls of the two storage chambers are fixedly connected to drainage pipes.

6. The device for extracting sea cucumber oligopeptides and polysaccharides from sea cucumber deep processing byproducts according to claim 5, characterized in that: The bottom of one side of the outer wall of the enzymolysis tank (400) is connected to an infusion pump (440), and the outer wall liquid outlet of the infusion pump (440) is connected to an infusion tube. The centrifuge (500) is rotatably mounted on the top of the inner wall of the installation box (100), and the top of the outer wall of the centrifuge (500) is rotatably connected to an upper cover (510), and the outer wall side end of the upper cover (510) is fixed to the top of the outer wall of the installation box (100) via a fixing frame.

7. The device for extracting sea cucumber oligopeptides and polysaccharides from sea cucumber deep processing byproducts according to claim 6, characterized in that: A liquid inlet pipe (520) is fixed at the center of the upper and lower sides of the outer wall of the upper cover (510), and the top end of the outer wall of the liquid inlet pipe (520) is connected to a three-way pipe (521). The upper end of the infusion pipe is connected to the side end of the three-way pipe (521), and the other end of the three-way pipe (521) away from the infusion pipe is connected to the concentration device through a concentration delivery pipe. Valves are provided on the infusion pipe and the concentration delivery pipe.

8. The device for extracting sea cucumber oligopeptides and polysaccharides from sea cucumber deep processing byproducts according to claim 7, characterized in that: The bottom of the outer wall of the liquid inlet pipe (520) is rotatably connected to a pipe sleeve (543), the upper end of the outer wall of the pipe sleeve (543) is fixedly sleeved with a transmission gear (542), and the bottom end of the outer wall of the pipe sleeve (543) is fixed to the upper end of the inner wall of the centrifuge (500) via a fixed connecting rod.

9. The device for extracting sea cucumber oligopeptides and polysaccharides from sea cucumber deep processing byproducts according to claim 8, characterized in that: A driving motor b (540) is fixed at the top of the outer wall of the upper cover (510) and located on one side of the liquid inlet pipe (520); a bottom output shaft of the driving motor b (540) passes through the bottom end of the outer wall of the upper cover (510) and a driving gear (541) is fixed at a position corresponding to the transmission gear (542); the driving gear (541) is meshed with the outer wall of the transmission gear (542); a hook-shaped liquid suction pipe (522) is connected at the bottom end of the outer wall of the liquid inlet pipe (520) and located below the pipe sleeve (543); valves are provided on the hook-shaped liquid suction pipe (522) and the bottom pipe opening of the liquid inlet pipe (520).

10. The device for extracting sea cucumber oligopeptides and polysaccharides from sea cucumber deep processing byproducts according to claim 9, characterized in that: A slag discharge port is provided at the bottom end of the inner wall of the centrifuge (500), and a control valve is arranged in the slag discharge port. A slag discharge box (530) is rotatably connected to the bottom end of the outer wall of the centrifuge (500) and located below the slag discharge port through a short tube. The bottom end of the inner wall of the slag discharge box (530) is connected to the upper side of the inner wall of the enzymatic hydrolysis tank (400) through a slag return pipe (531).