Heparin sodium membrane separation and purification waste liquid recycling equipment

Abstract

The invention discloses heparin sodium membrane separation and purification waste liquid recycling equipment, and relates to the technical field of waste liquid recovery, the heparin sodium membrane separation and purification waste liquid recycling equipment specifically comprises a machine body, a first filter plate is movably clamped in the machine body, a second filter plate located below the first filter plate is movably clamped in the machine body, and a scraper is arranged above the bottom wall of the first filter plate. According to the heparin sodium membrane separation and purification waste liquid recycling equipment, through cooperation of a first filter plate, a second filter plate, a scraping plate and a driving motor, the first filter plate is adopted for primary separation of solid impurities in waste liquid, and then the second filter plate is adopted for secondary separation of the waste liquid subjected to primary filtration; the solid impurities in the waste liquid can be conveniently removed, meanwhile, the mode that the scraper rotates on the first filter plate is adopted, so that the solid impurities accumulated on the first filter plate move, and the influence of accumulation of the solid impurities on the first filter plate on the flowing state of the waste liquid is avoided.

Description

Technical Field

[0001] This invention relates to the field of waste liquid recycling technology, specifically to equipment for recycling and utilizing waste liquid from heparin nanomembrane separation and purification. Background Technology

[0002] Sodium heparin is a sulfated polysaccharide. It is purified using membrane separation technologies of varying precision, such as ultrafiltration, nanofiltration, and viral filtration. Based on the differences in size and shape between sodium heparin and impurity molecules, a membrane filtration system composed of a series of membranes with different pore sizes is used for multi-stage separation. This process gradually separates and purifies sodium heparin from the complex system. The acidic wastewater generated during sodium heparin production is complex in composition and contains high concentrations of organic pollutants and inorganic salts. This sodium heparin separation and purification wastewater includes particulate impurities and colloids.

[0003] However, since the wastewater from the separation and purification of heparin sodium contains particulate impurities and colloids, the existing treatment method for removing impurities is to use a filter plate to achieve solid-liquid separation. After the waste liquid passes through the filter holes opened on the filter plate, the solid impurities in the waste liquid are blocked by the filter holes and remain on the filter plate. As the amount of solid impurities accumulated on the filter plate increases, the solid impurities will cover the filter holes on the filter plate, thereby affecting the normal flow of waste liquid from the filter holes on the filter plate. Summary of the Invention

[0004] This invention provides a device for recycling waste liquid from heparin nanomembrane separation and purification, which solves the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a heparin nanomembrane separation and purification waste liquid recycling device, comprising a body, a first filter plate being movably engaged inside the body, a second filter plate located below the first filter plate being movably engaged inside the body, a scraper being provided above the bottom wall of the first filter plate, a pull rod being fixedly installed on the upper end face of the scraper, an insertion rod being fixedly connected to the inner side of the scraper, a sleeve rod being movably sleeved on the outer wall of the insertion rod, and a fastening bolt for connecting the insertion rod being threaded to the inner wall of the lower end of the sleeve rod, support rods located below the second filter plate being provided on both sides inside the body, and a plurality of stirring rods being equidistantly distributed on the inner walls of the support rods on the left and right sides.

[0006] Optionally, the front of the machine body is hinged with a door, and a sealing ring is provided at the connection between the door and the machine body. A discharge funnel located below the stirring rod is fixedly installed at the lower end of the machine body. Support legs are fixedly connected to the left and right sides of the discharge funnel. An inlet pipe is fixedly installed at the upper end of the left side of the machine body, and the right end of the inlet pipe extends to the top of the first filter plate. A dosing pipe located below the inlet pipe is fixedly connected to the left side of the machine body, and the right end of the dosing pipe extends to the top of the stirring rod.

[0007] Optionally, slide rails are fixedly installed on the left and right sides of the first and second filter plates respectively. Rollers are rotatably connected to the outer side of the slide rails. A bracket is installed on the side of the roller away from the slide rail, and the outer side of the bracket is fixedly connected to the inner wall of the machine body. A plurality of first filter holes are opened through the bottom wall of the first filter plate, and a plurality of second filter holes are opened through the bottom wall of the second filter plate. The inner diameter of the first filter holes is larger than the inner diameter of the second filter holes.

[0008] Optionally, protrusions are fixedly installed on the front and rear sides of the insertion rod, and the end of the protrusion away from the insertion rod is movably engaged with the inner wall of the sleeve rod. A disc located below the sleeve rod is fixedly installed at the lower end of the sleeve rod, and the right side of the disc is fixedly connected to the left end of the scraper.

[0009] Optionally, a limiting plate is fixedly installed at the upper end of the sleeve rod, and an extension rod is fixedly connected to the upper end of the limiting plate. The outer wall of the extension rod is movably sleeved with the inner wall of the top of the machine body. A drive motor located above the machine body is fixedly installed at the upper end of the extension rod, and the lower end of the output shaft of the drive motor is fixedly connected to the upper end of the extension rod.

[0010] Optionally, the inner walls of the support rods on both the left and right sides are fixedly fitted with support shafts, the front ends of the support shafts on both the left and right sides are fixedly installed with baffles located in front of the machine body, the rear ends of the support shafts on both the left and right sides are provided with a conveying component located behind the machine body, the rear end of the conveying component is fixedly connected with a rotating shaft, and a rotary motor is fixedly installed at the end of the rotating shaft away from the conveying component.

[0011] Optionally, the conveying assembly includes a first synchronous pulley, a conveyor belt, and a second synchronous pulley. The inner side of the right end of the conveyor belt is movably sleeved with the outer wall of the first synchronous pulley, and the inner side of the left end of the conveyor belt is movably sleeved with the outer wall of the second synchronous pulley. The rear end of the second synchronous pulley is fixedly connected to the front end of the rotating shaft.

[0012] Optionally, the outer wall of the rotating shaft is movably sleeved by a housing located outside the conveying assembly, and the front of the housing is fixedly connected to the back of the machine body. A chassis located outside the rotary motor is fixedly installed on the back of the housing.

[0013] The present invention has the following beneficial effects:

[0014] 1. This heparin nanomembrane separation and purification waste liquid recycling equipment, through the cooperation of a first filter plate, a second filter plate, a scraper and a drive motor, adopts a primary separation method of solid impurities in the waste liquid using the first filter plate, and then uses the second filter plate to perform secondary separation of the waste liquid after primary filtration. This facilitates the removal of solid impurities in the waste liquid. At the same time, the rotation of the scraper on the first filter plate causes the solid impurities accumulated on the first filter plate to move, avoiding the impact of the accumulation of solid impurities on the flow state of the waste liquid.

[0015] 2. This heparin nanomembrane separation and purification waste liquid recycling equipment, through the cooperation between scraper, fastening bolt, insertion rod, sleeve rod and drive motor, utilizes the setting of fastening bolt to realize the connection function of sleeve rod and insertion rod. By changing the connection method of fastening bolt and sleeve rod or insertion rod, the disassembly and assembly steps of scraper are simplified, making it easier to replace worn scraper, thereby maintaining the scraping effect of scraper on impurities on the first filter plate.

[0016] 3. The heparin nanomembrane separation and purification waste liquid recycling equipment, through the cooperation between the first filter plate, the second filter, the slide rail and the support, adopts the sliding connection between the slide rail and the support. When the slide rail is connected to the support, the first filter plate and the second filter are installed in the machine body. When the slide rail is separated from the support, the first filter plate and the second filter are removed from the machine body, which facilitates the cleaning of solid impurities inside the first filter plate and the second filter. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the present invention;

[0018] Figure 2 This is a schematic diagram of the rotary motor in the structure of the present invention;

[0019] Figure 3 This is a schematic diagram of the internal structure of the shell in the structure of the present invention;

[0020] Figure 4 This is a schematic diagram of the second filter plate in the structure of the present invention;

[0021] Figure 5 This is a schematic diagram of the internal structure of the body in the structure of the present invention;

[0022] Figure 6 This is a schematic diagram of the support rod in the structure of the present invention;

[0023] Figure 7 This is a schematic diagram of the support structure in the present invention;

[0024] Figure 8 This is a schematic diagram of the slide rail in the structure of the present invention;

[0025] Figure 9This is a schematic diagram of the insertion rod in the structure of the present invention;

[0026] Figure 10 This is a schematic diagram of the protrusion in the structure of the present invention.

[0027] In the diagram: 1. Machine body; 2. First filter plate; 3. Second filter plate; 4. Scraper; 5. Pull rod; 6. Insert rod; 7. Sleeve rod; 8. Fastening bolt; 9. Support rod; 10. Stirring rod; 11. Box door; 12. Discharge funnel; 13. Support leg; 14. Liquid inlet pipe; 15. Dosing pipe; 16. Roller; 17. Bracket; 18. Protrusion; 19. Disc; 20. Limiting disc; 21. Extension rod; 22. Drive motor; 23. Support shaft; 24. Baffle; 25. Conveying assembly; 251. First synchronous pulley; 252. Conveyor belt; 253. Second synchronous pulley; 26. Rotating shaft; 27. Rotary motor; 28. Machine box; 29. ​​Shell; 30. Slide rail. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Please see Figure 1 , Figure 4 and Figure 5This invention provides a technical solution: a heparin nanomembrane separation and purification waste liquid recycling device, including a body 1. A first filter plate 2 is movably connected inside the body 1, and a second filter plate 3 located below the first filter plate 2 is also movably connected inside the body 1. After primary separation, solid impurities in the heparin nanomembrane separation and purification waste liquid are blocked by the first filter holes on the first filter plate 2. The primary filtered heparin nanomembrane separation and purification waste liquid flows from the first filter holes to the second filter plate 3. At this time, the second filter holes on the second filter plate 3 block the solid impurities in the primary filtered heparin nanomembrane separation and purification waste liquid. The second filter plate 3 performs secondary separation of the primary filtered heparin nanomembrane separation and purification waste liquid. A scraper 4 is provided above the bottom wall of the first filter plate 2, and a pull rod 5 is fixedly installed on the upper end face of the scraper 4. An insert rod 6 is fixedly connected to the inner side of the filter body 1. A sleeve rod 7 is movably sleeved on the outer wall of the insert rod 6. A fastening bolt 8 for connecting the insert rod 6 is threaded on the inner wall of the lower end of the sleeve rod 7. After removing the fastening bolt 8 connecting the insert rod 6 and the sleeve rod 7, the operator lifts the scraper 4 upward through the pull rod 5 and pulls the first filter plate 2 out of the inside of the machine body 1. At this time, the insert rod 6 can be pulled out from the inside of the sleeve rod 7, and the scraper 4 can be disassembled. Support rods 9 are set on both sides inside the machine body 1, located below the second filter plate 3. Several stirring rods 10 are evenly distributed on the inner wall of the support rods 9 on the left and right sides. The rotation of the support rods 9 on the left and right sides drives the stirring rods 10 to rotate inside the machine body 1. At this time, the adsorption material and the waste liquid after impurity removal are fully stirred and mixed, so that the waste liquid can be discharged from the discharge funnel 12 to the outside of the machine body 1 after forming a solid.

[0030] A door 11 is hinged to the front of the machine body 1, and a sealing ring is provided at the connection between the door 11 and the machine body 1. A discharge funnel 12 located below the stirring rod 10 is fixedly installed at the lower end of the machine body 1. After the waste liquid solidifies, it is discharged from the discharge funnel 12 to the outside of the machine body 1. Support legs 13 are fixedly connected to the left and right sides of the discharge funnel 12, respectively. An inlet pipe 14 is fixedly installed at the upper left side of the machine body 1, and the right end of the inlet pipe 14 extends to the top of the first filter plate 2. The waste liquid from heparin nanomembrane separation and purification is added into the interior of the machine body 1 through the inlet pipe 14. The liquid inlet pipe 14 extends to the inside of the machine body 1 and is located above the first filter plate 2. The waste liquid from the separation and purification of heparin nanomembrane flows from the liquid inlet pipe 14 to the top of the first filter plate 2. The first filter plate 2 performs primary separation of the waste liquid from the separation and purification of heparin nanomembrane. The dosing pipe 15 located below the liquid inlet pipe 14 is fixedly connected to the left side of the machine body 1, and the right end of the dosing pipe 15 extends to the top of the stirring rod 10. The liquid from the secondary separation falls from the second filter hole to the bottom of the machine body 1, and then adsorbent material is added from the dosing pipe 15 to solidify it and treat it as chemical solid waste.

[0031] Please see Figure 3 , Figure 6 and Figure 9The first filter plate 2 and the second filter plate 3 are respectively fixedly installed on the left and right sides of the slide rail 30. Rollers 16 are tumblingly connected to the outer side of the slide rail 30. A bracket 17 is installed on the side of the roller 16 away from the slide rail 30, and the outer side of the bracket 17 is fixedly connected to the inner wall of the machine body 1. By using the roller 16 to roll between the bracket 17 and the slide rail 30, the friction generated when the bracket 17 and the slide rail 30 come into contact is reduced. Several first filter holes are opened through the bottom wall of the first filter plate 2, and several second filter holes are opened through the bottom wall of the second filter plate 3. The inner diameter of the first filter hole is larger than the inner diameter of the second filter hole. Pulling the second filter plate 3 out of the machine body 1 can not only replace the worn scraper 4, but also clean the solid impurities in the first filter plate 2 and the second filter plate 3 after impurity removal.

[0032] The front and rear sides of the insertion rod 6 are respectively fixedly installed with protrusions 18, and the end of the protrusion 18 away from the insertion rod 6 is movably engaged with the inner wall of the sleeve rod 7. The lower end of the sleeve rod 7 is fixedly installed with a disc 19 located below the sleeve rod 7, and the right side of the disc 19 is fixedly connected to the left end of the scraper 4.

[0033] Please see Figure 7 , Figure 8 and Figure 10 A limiting plate 20 is fixedly installed on the upper end of the sleeve rod 7. An extension rod 21 is fixedly connected to the upper end of the limiting plate 20. The outer wall of the extension rod 21 is movably sleeved with the inner wall of the top of the machine body 1. A drive motor 22 located above the machine body 1 is fixedly installed on the upper end of the extension rod 21. The lower end of the output shaft of the drive motor 22 is fixedly connected to the upper end of the extension rod 21. The output shaft of the drive motor 22 drives the scraper 4 to rotate through the connection of the extension rod 21, the limiting plate 20, the sleeve rod 7, the fastening bolt 8, the protrusion 18, the insert rod 6 and the disc 19 in sequence. The rotation of the scraper 4 on the first filter plate 2 reduces the interference of the accumulation of solid impurities on the first filter plate 2 on the flow state of the waste liquid.

[0034] Support shafts 23 are fixedly sleeved on the inner walls of the support rods 9 on both the left and right sides. A baffle 24 located in front of the machine body 1 is fixedly installed at the front end of the support shafts 23 on both the left and right sides. A conveying assembly 25 located behind the machine body 1 is provided at the rear end of the support shafts 23 on both the left and right sides. A rotating shaft 26 is fixedly connected to the rear end of the conveying assembly 25. A rotary motor 27 is fixedly installed at the end of the rotating shaft 26 away from the conveying assembly 25.

[0035] Please see Figure 7 and Figure 2The conveying assembly 25 includes a first synchronous pulley 251, a conveyor belt 252, and a second synchronous pulley 253. The inner side of the right end of the conveyor belt 252 is movably sleeved with the outer wall of the first synchronous pulley 251, and the inner side of the left end of the conveyor belt 252 is movably sleeved with the outer wall of the second synchronous pulley 253. The rear end of the second synchronous pulley 253 is fixedly connected to the front end of the rotating shaft 26. The output shaft of the rotary motor 27 drives the rotation of the second synchronous pulley 253 through the connection of the rotating shaft 26. While the second synchronous pulley 253 is rotating, the first synchronous pulley 251 is driven to rotate through the conveyor belt 252. The rotation of the second synchronous pulley 253 and the first synchronous pulley 251 both drive the rotation of the support rod 9 through the connection of the support shafts 23 on the left and right sides. The rotation of the support rods 9 on the left and right sides drives the rotation of the stirring rod 10 inside the machine body 1.

[0036] The outer wall of the rotating shaft 26 is movably sleeved by a housing 29 located outside the conveying assembly 25, and the front of the housing 29 is fixedly connected to the back of the body 1. A chassis 28 located outside the rotary motor 27 is fixedly mounted on the back of the housing 29.

[0037] In summary, when using this heparin nanomembrane separation and purification waste liquid recycling equipment, firstly, the heparin nanomembrane separation and purification waste liquid is added into the interior of the machine body 1 through the inlet pipe 14. Since the right end of the inlet pipe 14 extends into the interior of the machine body 1 and is located above the first filter plate 2, the heparin nanomembrane separation and purification waste liquid flows from the inlet pipe 14 to the top of the first filter plate 2. The first filter plate 2 performs primary separation of the heparin nanomembrane separation and purification waste liquid. After primary separation, solid impurities in the heparin nanomembrane separation and purification waste liquid are filtered through the first filter pores. Blocked on the first filter plate 2, the waste liquid from the primary filtration of heparin nanomembrane separation and purification flows from the first filter hole to the second filter plate 3. At this time, the second filter hole on the second filter plate 3 blocks the solid impurities in the waste liquid from the primary filtration of heparin nanomembrane separation and purification. The second filter plate 3 performs secondary separation of the waste liquid from the primary filtration of heparin nanomembrane separation and purification. The liquid separated in the secondary separation falls from the second filter hole to the bottom of the machine body 1, and then adsorbent material is added from the dosing pipe 15 to solidify it and treat it as chemical solid waste.

[0038] When the power of the drive motor 22 is turned on, the output shaft of the drive motor 22 drives the scraper 4 to rotate through the connection of the extension rod 21, the limiting plate 20, the sleeve rod 7, the fastening bolt 8, the protrusion 18, the insertion rod 6 and the disc 19 in sequence. The rotation of the scraper 4 on the first filter plate 2 reduces the interference of the accumulation of solid impurities on the first filter plate 2 on the flow state of the waste liquid.

[0039] When the power supply of the rotary motor 27 is turned on, the output shaft of the rotary motor 27 drives the rotation of the second synchronous wheel 253 through the connection of the rotating shaft 26. At the same time, the rotation of the second synchronous wheel 253 drives the rotation of the first synchronous wheel 251 through the conveyor belt 252. The rotation of the second synchronous wheel 253 and the first synchronous wheel 251 both drive the rotation of the support rod 9 through the connection of the support shafts 23 on the left and right sides. The rotation of the support rods 9 on the left and right sides drives the rotation of the stirring rod 10 inside the machine body 1. At this time, the adsorbent material and the waste liquid after impurity removal are fully stirred and mixed, so that the waste liquid can be discharged from the discharge funnel 12 to the outside of the machine body 1 after forming a solid.

[0040] After the waste liquid from heparin nanomembrane separation and purification is recycled and treated, the power to the drive motor 22 and the rotary motor 27 is turned off, the box door 11 is opened, and the fastening bolts 8 of the connecting rod 6 and the sleeve rod 7 are removed. The operator lifts the scraper 4 upward through the pull rod 5 and pulls the first filter plate 2 out of the machine body 1. At this time, the rod 6 can be pulled out from the inside of the sleeve rod 7, so that the scraper 4 can be disassembled. Then the second filter plate 3 can be pulled out from the machine body 1. This not only allows for the replacement of the worn scraper 4, but also for the cleaning of solid impurities after impurity removal in the first filter plate 2 and the second filter plate 3.

[0041] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for 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 the invention. The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances. Moreover, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0042] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A heparin nanomembrane separation and purification waste liquid recycling equipment, comprising a body (1), characterized in that: The machine body (1) is internally connected to a first filter plate (2), and the machine body (1) is internally connected to a second filter plate (3) located below the first filter plate (2). A scraper (4) is provided above the bottom wall of the first filter plate (2). A pull rod (5) is fixedly installed on the upper end face of the scraper (4). An insert rod (6) is fixedly connected to the inner side of the scraper (4). A sleeve rod (7) is movably sleeved on the outer wall of the insert rod (6). A fastening bolt (8) for connecting the insert rod (6) is threaded on the inner wall of the lower end of the sleeve rod (7). Support rods (9) located below the second filter plate (3) are provided on both sides inside the machine body (1). Several stirring rods (10) are evenly distributed on the inner walls of the support rods (9) on the left and right sides.

2. The heparin nanomembrane separation and purification waste liquid recycling equipment according to claim 1, characterized in that: The front of the machine body (1) is hinged with a door (11), and a sealing ring is provided at the connection between the door (11) and the machine body (1). A discharge funnel (12) located below the stirring rod (10) is fixedly installed at the lower end of the machine body (1). Support legs (13) are fixedly connected to the left and right sides of the discharge funnel (12). An inlet pipe (14) is fixedly installed at the upper left side of the machine body (1), and the right end of the inlet pipe (14) extends to the top of the first filter plate (2). A dosing pipe (15) located below the inlet pipe (14) is fixedly connected to the left side of the machine body (1), and the right end of the dosing pipe (15) extends to the top of the stirring rod (10).

3. The heparin nanomembrane separation and purification waste liquid recycling equipment according to claim 1, characterized in that: The first filter plate (2) and the second filter plate (3) are respectively fixedly installed with slide rails (30) on the left and right sides. Rollers (16) are tumblingly connected to the outer side of the slide rails (30). A bracket (17) is installed on the side of the rollers (16) away from the slide rails (30), and the outer side of the bracket (17) is fixedly connected to the inner wall of the body (1). Several first filter holes are opened through the bottom wall of the first filter plate (2), and several second filter holes are opened through the bottom wall of the second filter plate (3). The inner diameter of the first filter hole is greater than the inner diameter of the second filter hole.

4. The heparin nanomembrane separation and purification waste liquid recycling equipment according to claim 1, characterized in that: The front and rear sides of the insert rod (6) are respectively fixedly installed with protrusions (18), and the end of the protrusion (18) away from the insert rod (6) is movably engaged with the inner wall of the sleeve rod (7). The lower end of the sleeve rod (7) is fixedly installed with a disc (19) located below the sleeve rod (7), and the right side of the disc (19) is fixedly connected to the left end of the scraper (4).

5. The heparin nanomembrane separation and purification waste liquid recycling equipment according to claim 4, characterized in that: The upper end of the sleeve rod (7) is fixedly installed with a limiting plate (20), and the upper end of the limiting plate (20) is fixedly connected with an extension rod (21). The outer wall of the extension rod (21) is movably sleeved with the inner wall of the top of the body (1). The upper end of the extension rod (21) is fixedly installed with a drive motor (22) located above the body (1), and the lower end of the output shaft of the drive motor (22) is fixedly connected with the upper end of the extension rod (21).

6. The heparin nanomembrane separation and purification waste liquid recycling equipment according to claim 1, characterized in that: The inner walls of the support rods (9) on both the left and right sides are fixedly fitted with support shafts (23). The front ends of the support shafts (23) on both the left and right sides are fixedly installed with baffles (24) located in front of the machine body (1). The rear ends of the support shafts (23) on both the left and right sides are provided with a transmission assembly (25) located behind the machine body (1). The rear end of the transmission assembly (25) is fixedly connected with a rotating shaft (26). A rotary motor (27) is fixedly installed at the end of the rotating shaft (26) away from the transmission assembly (25).

7. The heparin nanomembrane separation and purification waste liquid recycling equipment according to claim 6, characterized in that: The conveying assembly (25) includes a first synchronous pulley (251), a conveyor belt (252), and a second synchronous pulley (253). The inner side of the right end of the conveyor belt (252) is movably sleeved with the outer wall of the first synchronous pulley (251), and the inner side of the left end of the conveyor belt (252) is movably sleeved with the outer wall of the second synchronous pulley (253). The rear end of the second synchronous pulley (253) is fixedly connected to the front end of the rotating shaft (26).

8. The heparin nanomembrane separation and purification waste liquid recycling equipment according to claim 7, characterized in that: The outer wall of the rotating shaft (26) is movably sleeved by a housing (29) located outside the conveying assembly (25), and the front of the housing (29) is fixedly connected to the back of the machine body (1). The back of the housing (29) is fixedly mounted with a chassis (28) located outside the rotary motor (27).

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