Protein recovery device for chondroitin sulfate production wastewater

Abstract

The invention discloses a protein recovery device for chondroitin sulfate production wastewater, and relates to the technical field of sewage recovery, and the technical scheme is characterized in that a separation assembly is used for separating mixed-concentration protein liquid entering the device and comprises a rotational flow layer, the rotational flow layer is used for preliminarily separating low-concentration and high-concentration protein liquid, and a U-shaped pipe and a transmission mechanism are arranged in the rotational flow layer; the device comprises an impeller arranged at the bottom of one end, located outside a rotational flow layer, of a U-shaped pipe, and a scraper located in the screening layer, and has the effects that manual interference is not needed, driving is completed through the natural effect, and under the condition that a protein screen is blocked, the blockage of the protein screen is avoided. And the impeller automatically drives the scraper to scrape and clean the inner wall of the protein screen, so that the problem of equipment blockage in the background art is solved, the frequency of manual operation is reduced, and the collaboration of the device and the working procedure efficiency of low-concentration and high-concentration protein separation and recovery are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of sewage recovery, and more specifically, it relates to a protein recovery device for the wastewater produced in the production of chondroitin sulfate. Background Art

[0002] Chondroitin sulfate is a class of glycosaminoglycans covalently linked to proteins to form proteoglycans. Chondroitin sulfate is widely distributed in the extracellular matrix and cell surface of animal tissues. The sugar chain is polymerized by alternating glucuronic acid and N-acetylgalactosamine, and is linked to the serine residue of the core protein through a glycosyl-like linker region.

[0003] In the production process of chondroitin sulfate, after the raw materials (such as animal cartilage) are extracted by processes such as enzymatic hydrolysis and acid hydrolysis, the wastewater produced contains high-concentration proteins (about 5%-15%), residual enzymes, inorganic salts, and trace organic solvents. The proteins in this wastewater have recovery value (can be used as feed, fertilizer, or raw materials for cosmetics), and usually need to be separated from low to high concentration. However, the proteins in the wastewater exist in the form of colloids, and it is easy to cause blockage of the treatment equipment during the low-to-high concentration separation of the solution, and it requires the staff to rinse repeatedly.

[0004] Therefore, in order to solve the above technical problems, the present application proposes a protein recovery device for the wastewater produced in the production of chondroitin sulfate. Summary of the Invention

[0005] Aiming at the deficiencies of the existing technology, the purpose of the present invention is to provide a protein recovery device for the wastewater produced in the production of chondroitin sulfate.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A protein recovery device for the wastewater produced in the production of chondroitin sulfate, including an outer housing, a liquid inlet pipe horizontally connected to the upper part of the outer housing, and a high-concentration drain pipe and a low-concentration drain pipe arranged at the lower part of the outer housing, and further including: A separation component for separating the protein solution with mixed concentration entering the device, including a swirl layer for preliminarily separating the low- and high-concentration protein solutions. A U-shaped pipe is arranged inside the swirl layer. A transmission layer is arranged at the lower end of the swirl layer. A screening layer is arranged at the lower end of the transmission layer for separating the low- and high-concentration solutions. A drain layer is arranged at the lower end of the screening layer, which can respectively discharge the low-concentration protein solution and the high-concentration protein solution. The drain layer is respectively communicated with the high-concentration drain pipe and the low-concentration drain pipe; A transmission mechanism for using the impact of water flow to form a driving force to clean the blocked screening layer, including an impeller arranged at the bottom of the outer end of the U-shaped pipe located outside the swirl layer, and a scraper located inside the screening layer. Relying on the impact of the water flow inside the U-shaped pipe on the impeller to form a driving force, the scraper is driven to clean the screening layer. A low-concentration drain pipe is also arranged below the impeller in the U-shaped pipe.

[0007] Preferably, the cyclone layer is funnel-shaped, one end of the U-shaped tube is located in the middle of the cyclone layer, and the liquid inlet pipe is horizontally connected to one side of the U-shaped tube.

[0008] Preferably, a protein sieve mesh is provided inside the screening layer, and a cavity is left between the protein sieve mesh and the wall of the screening layer.

[0009] Preferably, the wall of the liquid discharge layer is inclined, and the inclined side wall of the liquid discharge layer is communicated with the low-concentration drain pipe.

[0010] Preferably, a blocking block is provided at the end of the U-shaped tube away from the cyclone layer. The transmission mechanism further includes a rotating rod fixedly connected to the output end of the impeller. The rotating rod penetrates through the blocking block and a first connecting rod is provided at the end. One end of the first connecting rod away from the rotating rod is provided with a second connecting rod through a rotating shaft, and one end of the second connecting rod away from the first connecting rod is provided with a transverse moving plate through a rotating shaft. A sliding rod is fixedly connected to one end of the transverse moving plate away from the second connecting rod. The sliding rod penetrates through the transmission layer and moves horizontally in the transmission layer.

[0011] Preferably, a sealing layer is provided at the contact edge between the sliding rod and the transmission layer, and the sealing layer is used for solution sealing when the sliding rod moves.

[0012] Preferably, a mounting frame is provided inside the transmission layer. A transmission gear is rotatably mounted at the upper end of the mounting frame, and a scraping rotating rod is rotatably mounted at the lower end of the mounting frame. The transmission gear is fixedly connected to the scraping rotating rod, and scraping plates are fixedly connected to both sides of the scraping rotating rod. The scraping plates are attached to the protein sieve mesh.

[0013] Preferably, teeth are provided on one side of the sliding rod facing the transmission gear, and the transmission gear meshes with the teeth.

[0014] Preferably, the scraping plate is made of a soft and bendable material, and the cross section of the scraping plate is a water droplet shape that uniformly transitions from wide to narrow.

[0015] In the present invention, the impeller is naturally impacted by the water flow in the U-shaped pipe to form a rotational driving force, which drives the rotating rod to rotate. The rotating rod can drive the first connecting rod to rotate around the axis of the rotating rod. When the first connecting rod rotates, it will drive one end of the second connecting rod to rotate around the axis of the rotating rod. At this time, the other end of the second connecting rod can drive the transverse moving plate to perform a reciprocating transverse movement due to the limiting effect of the transverse moving plate. The moving transverse moving plate drives the sliding rod to slide inside the transmission layer. The reciprocating sliding rod drives the meshing transmission gear to rotate through the teeth. The rotating transmission gear can drive the scraper on the scraping rotating rod to complete a reciprocating scraping action on the circumference of the protein sieve mesh. Without manual intervention, the driving is completed by natural effects. In the case of protein sieve mesh blockage, the impeller self-drives the scraper to scrape and clean the inner wall of the protein sieve mesh, solving the equipment blockage problem mentioned in the background technology, reducing the frequency of manual operation, and improving the coordination of the device and the process efficiency of protein low-high concentration separation and recovery. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention, form a part of this application, and the schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings: Figure 1 is a schematic diagram of the overall structure of the present invention; Figure 2 is a schematic diagram of the internal structure of the present invention; Figure 3 is a schematic diagram of the water flow direction structure of the cyclone layer in the present invention; Figure 4 is Figure 3 an enlarged schematic diagram of part A in Figure 5 is Figure 3 an enlarged schematic diagram of part B in Figure 6 is a schematic diagram of a partial structure of the separation component in the present invention; Figure 7 is a schematic diagram of the structure of the protein sieve mesh in the present invention; Figure 8 is Figure 7 an enlarged schematic diagram of part C in Figure 9 is a schematic diagram of the structure of the transmission mechanism in the present invention; Figure 10 is a schematic diagram of the structure of the scraping rotating rod and the scraper in the present invention; Figure 11 Figure 10 an enlarged schematic diagram of part D in.

[0017] 1. Outer shell; 2. Liquid inlet pipe; 3. High concentration liquid discharge pipe; 4. Low concentration liquid discharge pipe; 5. Separation component; 501. Cyclone layer; 502. Transmission layer; 503. Screening layer; 504. Protein screen; 505. Liquid discharge layer; 6. U-shaped tube; 7. Transmission mechanism; 701. Impeller; 702. Rotating rod; 703. Blocking block; 704. First connecting rod; 705. Second connecting rod; 706. Rotating shaft; 707. Transverse plate; 708. Sliding rod; 709. Sealing layer; 710. Mounting frame; 711. Transmission gear; 712. Scraping rotating rod; 713. Scraper. DETAILED DESCRIPTION

[0018] like Figures 1-11 As shown, the present invention provides a protein recovery device for chondroitin sulfate production wastewater, comprising an outer shell 1, a liquid inlet pipe 2 connected transversely to the upper part of the outer shell 1, and a high-concentration liquid discharge pipe 3 and a low-concentration liquid discharge pipe 4 arranged at the lower part of the outer shell 1, and also comprising: The separation component 5 is used for separating the mixed concentration protein solution entering the device, and includes a cyclone layer 501, which is used for preliminarily separating the low-concentration and high-concentration protein solutions. The cyclone layer 501 is provided with a U-shaped tube 6, and the cyclone layer 501 is funnel-shaped. One end of the U-shaped tube 6 is located in the middle of the cyclone layer 501, and the liquid inlet pipe 2 is laterally connected to one side of the U-shaped tube 6; like Figure 3 As shown, wastewater is quickly discharged to the inner wall of the cyclone layer 501 through the liquid inlet pipe 2. After passing through the funnel-shaped inner wall of the cyclone layer 501, the wastewater will generate a spiral path. Large particle proteins with large volume and heavy weight will be enriched at the bottom of the cyclone layer 501, that is, they will enter the transmission layer 502 through the cyclone layer 501, while the low-concentration solution in the wastewater will flow from bottom to top in the circumference to the U-shaped tube 6 according to the cyclone principle. It should be noted that the initial separation process is similar to the centrifugal effect of a natural tornado - heavy objects (such as house fragments) are thrown out to the periphery (bottom of the vortex layer 501), while the central low-pressure area forms an ascending channel (entering the U-shaped tube 6), which does not conflict with the gravity distribution.

[0019] The transmission mechanism 7 uses the water flow impact to form a driving force to clean the blocked screening layer 503, including an impeller 701 arranged at the bottom of one end of the U-shaped tube 6 located outside the cyclone layer 501, and a scraper 713 located inside the screening layer 503. The water flow inside the U-shaped tube 6 impacts the impeller 701 to form a driving force, thereby driving the scraper 713 to clean the screening layer 503. The U-shaped tube 6 is also provided with a low-concentration drainage pipe below the impeller 701; When the protein screen 504 is clogged, the wastewater level in the cyclone layer 501 rises, and a cyclone effect occurs. The low-concentration solution enters the U-shaped tube 6 and impacts the impeller 701 through the U-shaped tube 6 under the support of gravity. At the lower end of the cyclone layer 501, there is a transmission layer 502. The transmission mechanism 7 is accommodated inside the transmission layer 502 for transmission. At the end of the U-shaped tube 6 far from the cyclone layer 501, there is a blocking block 703. After the low-concentration solution gives driving force to the impeller 701, it is discharged through the low-concentration drain pipe 4 below the impeller 701; The transmission mechanism 7 further includes a rotating rod 702 fixedly connected to the output end of the impeller 701. The rotating rod 702 penetrates through the blocking block 703 and has a first connecting rod 704 at its end. It should be noted that a sealing layer 709 is provided at the contact position between the rotating rod 702 and the blocking block 703. At the end of the first connecting rod 704 far from the rotating rod 702, a second connecting rod 705 is provided through a rotating shaft 706. At the end of the second connecting rod 705 far from the first connecting rod 704, a cross-moving plate 707 is provided through a rotating shaft 706. A sliding rod 708 is fixedly connected to the end of the cross-moving plate 707 far from the second connecting rod 705. The sliding rod 708 penetrates through the transmission layer 502 and moves horizontally inside the transmission layer 502. A sealing layer 709 is provided at the contact edge between the sliding rod 708 and the transmission layer 502. The sealing layer 709 is used for the solution sealing effect when the sliding rod 708 moves. Tooth teeth are provided on the side of the sliding rod 708 facing the transmission gear 711. The transmission gear 711 meshes with the tooth teeth. Inside the transmission layer 502, there is a mounting bracket 710. At the upper end of the mounting bracket 710, a transmission gear 711 is rotatably installed. At the lower end of the mounting bracket 710, a scraping rotating rod 712 is rotatably installed. The transmission gear 711 is fixedly connected to the scraping rotating rod 712. Scraping plates 713 are fixedly connected to both sides of the scraping rotating rod 712. The scraping plates 713 are in contact with the protein sieve 504. The scraping plates 713 are made of a soft and bendable material, and the cross-section of the scraping plates 713 is a water droplet shape that gradually transitions from wide to narrow; It should be noted that the sealing layer 709 can be a composite structure of an elastomer matrix (such as NBR rubber) + PTFE (polytetrafluoroethylene) coating. This composite structure has the effects of good sealing performance and extremely low friction coefficient, and will not hinder the movement effect of the sliding rod 708 inside the transmission layer 502; The impeller 701 is naturally impacted by the water flow to form a rotational driving force, driving the rotating rod 702 to rotate. The rotating rotating rod 702 can drive the first connecting rod 704 to rotate around the axis of the rotating rod 702. When the first connecting rod 704 rotates, it will drive one end of the second connecting rod 705 to rotate around the axis of the rotating rod 702. At this time, the other end of the second connecting rod 705 can drive the transverse moving plate 707 to perform a reciprocating transverse movement due to the limiting effect of the transverse moving plate 707. The moving transverse moving plate 707 thus drives the sliding rod 708 to slide inside the transmission layer 502. The reciprocating sliding rod 708 drives the meshing transmission gear 711 to rotate through the teeth. The rotating transmission gear 711 can drive the scraper 713 on the scraping rotating rod 712 to complete a reciprocating scraping action on the circumference of the protein sieve mesh 504. Without manual intervention, it is driven by natural effects. In the case of blockage of the protein sieve mesh 504, the impeller 701 self-drives the scraper 713 to scrape and clean the inner wall of the protein sieve mesh 504, solving the equipment blockage problem mentioned in the background technology, reducing the frequency of manual operation, and improving the coordination of the device and the process efficiency of protein low-high concentration separation and recovery; A sieve layer 503 is provided at the lower end of the transmission layer 502. The sieve layer 503 is used for separating low- and high-concentration solutions. A protein sieve mesh 504 is provided inside the sieve layer 503, and a cavity is left between the protein sieve mesh 504 and the wall of the sieve layer 503; A liquid discharge layer 505 is provided at the lower end of the sieve layer 503. The liquid discharge layer 505 can separately discharge low-concentration protein solution and high-concentration protein solution. The liquid discharge layer 505 is respectively communicated with the high-concentration liquid discharge pipe 3 and the low-concentration liquid discharge pipe 4. The wall of the liquid discharge layer 505 is inclined. The inclined side wall of the liquid discharge layer 505 is communicated with the low-concentration drain pipe. A small part of the low-concentration solution is discharged by the U-shaped pipe 6 after swirling separation, and most of the low-concentration solution is separated from the high-concentration solution in the sieve layer 503 and discharged; At the beginning, wastewater is quickly discharged into the inner wall of the swirl layer 501 through the liquid inlet pipe 2. After passing through the funnel-shaped inner wall of the swirl layer 501, the wastewater will generate a spiral path. Larger and heavier large-particle proteins will be enriched at the bottom of the swirl layer 501, that is, enter the transmission layer 502 through the swirl layer 501, while the low-concentration solution in the wastewater will flow into the U-shaped pipe 6 from the periphery from bottom to top by the swirl principle; When the wastewater from the transmission layer 502 passes through the screening layer 503 and causes the protein screen 504 inside the screening layer 503 to be blocked, the wastewater level in the swirl layer 501 rises, and a swirl effect occurs. The low-concentration solution enters the U-tube 6 and impacts the impeller 701 through the U-tube 6 under the support of gravity, and the impeller 701 is naturally impacted by the water flow to form a rotation driving force, which drives the rotating rod 702 to rotate. The rotating rotating rod 702 can drive the first connecting rod 704 to rotate around the axis of the rotating rod 702. When the first connecting rod 704 rotates The second connecting rod 705 is driven to rotate one end around the axis of the rotating rod 702. At this time, the other end of the second connecting rod 705 can drive the transverse plate 707 to move back and forth horizontally due to the limiting effect of the transverse plate 707. The moving transverse plate 707 drives the sliding rod 708 to slide inside the transmission layer 502. The reciprocating sliding rod 708 drives the meshing transmission gear 711 to rotate through the teeth. The rotating transmission gear 711 can drive the scraper 713 on the scraping rotating rod 712 to complete the reciprocating scraping action on the circumference of the protein screen 504. After the preliminary separation in the cyclone layer 501 and the separation of the low and high concentration protein solutions in the screening layer 503, a small portion of the low concentration solution is discharged from the low concentration drainage pipe 4 on the U-tube 6 after cyclone separation, and most of the low concentration solution is discharged from the low concentration drainage pipe 4 on the side wall of the drainage layer 505, while the high concentration solution is separated and discharged from the high concentration drainage pipe 3 at the bottom of the drainage layer 505.

[0020] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A protein recovery device for chondroitin sulfate production wastewater, comprising a housing (1), a liquid inlet pipe (2) horizontally connected to the upper part of the housing (1), and a high-concentration drain pipe (3) and a low-concentration drain pipe (4) arranged at the lower part of the housing (1), characterized in that, It also includes: A separation component (5) for separating the mixed-concentration protein solution entering the device, including a cyclone layer (501) for initially separating the low- and high-concentration protein solutions. A U-shaped tube (6) is provided inside the cyclone layer (501). A drive layer (502) is provided at the lower end of the cyclone layer (501), and a sieve layer (503) is provided at the lower end of the drive layer (502). The sieve layer (503) is used for separating the low- and high-concentration solutions. A drain layer (505) is provided at the lower end of the sieve layer (503), and the drain layer (505) can separately discharge the low-concentration protein solution and the high-concentration protein solution. The drain layer (505) is respectively communicated with a high-concentration drain pipe (3) and a low-concentration drain pipe (4); A drive mechanism (7) that uses the impact of water flow to form a driving force to clean the blocked sieve layer (503), including an impeller (701) provided at the bottom of the outer end of the U-shaped tube (6) located outside the cyclone layer (501), and a scraper (713) located inside the sieve layer (503). Relying on the impact of the water flow inside the U-shaped tube (6) on the impeller (701) to form a driving force, the scraper (713) is driven to clean the sieve layer (503). A low-concentration drain pipe is also provided below the impeller (701) in the U-shaped tube (6).

2. The protein recovery device for chondroitin sulfate production wastewater according to claim 1, characterized in that: The cyclone layer (501) is funnel-shaped, one end of the U-shaped tube (6) is located in the middle of the cyclone layer (501), and the liquid inlet pipe (2) is horizontally connected to one side of the U-shaped tube (6).

3. The protein recovery device for chondroitin sulfate production wastewater according to claim 1, characterized in that: A protein sieve (504) is provided inside the sieve layer (503), and a cavity is left between the protein sieve (504) and the wall of the sieve layer (503).

4. The protein recovery device for chondroitin sulfate production wastewater according to claim 1, characterized in that: The wall of the drain layer (505) is inclined, and the inclined side wall of the drain layer (505) is communicated with the low-concentration drain pipe.

5. The protein recovery device for chondroitin sulfate production wastewater according to claim 1, characterized in that: A blocking block (703) is provided at the end of the U-shaped tube (6) away from the cyclone layer (501). The drive mechanism (7) also includes a rotating rod (702) fixedly connected to the output end of the impeller (701). The rotating rod (702) penetrates through the blocking block (703) and a first connecting rod (704) is provided at the end. One end of the first connecting rod (704) away from the rotating rod (702) is provided with a second connecting rod (705) through a rotating shaft (706). One end of the second connecting rod (705) away from the first connecting rod (704) is provided with a transverse moving plate (707) through a rotating shaft (706). One end of the transverse moving plate (707) away from the second connecting rod (705) is fixedly connected with a sliding rod (708), and the sliding rod (708) penetrates through the drive layer (502) and moves horizontally inside the drive layer (502).

6. The protein recovery device for chondroitin sulfate production wastewater according to claim 5, wherein: A sealing layer (709) is provided at the contact edge between the sliding rod (708) and the drive layer (502), and the sealing layer (709) is used for the solution sealing effect when the sliding rod (708) moves.

7. The protein recovery device for chondroitin sulfate production wastewater according to claim 5, characterized in that: An installation frame (710) is provided inside the transmission layer (502). A transmission gear (711) is rotatably installed at the upper end of the installation frame (710), and a scraping rotating rod (712) is rotatably installed at the lower end of the installation frame (710). The transmission gear (711) is fixedly connected to the scraping rotating rod (712). Scrapers (713) are fixedly connected to both sides of the scraping rotating rod (712), and the scrapers (713) are in contact with the protein sieve mesh (504).

8. The protein recovery device for chondroitin sulfate production wastewater according to claim 7, characterized in that: Teeth are provided on one side of the sliding rod (708) facing the transmission gear (711), and the transmission gear (711) meshes with the teeth.

9. The protein recovery device for chondroitin sulfate production wastewater according to claim 7, characterized in that: The scraper (713) is made of a soft and bendable material, and the cross-section of the scraper (713) is a water droplet shape that gradually transitions from wide to narrow uniformly.

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