Anti-adhesion stirring device for producing fat mequat chloride

By designing an anti-adhesion stirring device and utilizing a combination of hydraulic rods and multi-stage spring structures, the problem of uneven stirring during the processing of lipopolysaccharide was solved, stirring uniformity and cleaning convenience were achieved, and product quality was improved.

CN120733631APending Publication Date: 2025-10-03SINGAO XUZHOU BIOTECH CO LTD
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Patent Information

Application Number
CN202511176825.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-21
Publication Date
2025-10-03

AI Technical Summary

Technical Problem

When mixing raw materials and water, the existing lipopolysaccharide processing device has a high viscosity of lipopolysaccharide, which leads to reduced stirring efficiency and uneven mixing, affecting product quality and possibly causing waste of resources.

Method used

An anti-adhesion stirring device was designed, which adopts a combination of a driving component, a control component and a mixing component, including a hydraulic rod, a pushing plate, a cleaning plate and a stirring net. The stirring net is fixed and cleaned through a multi-stage spring structure to ensure stirring uniformity.

Benefits of technology

The uniformity of the mixing process and the convenience of cleaning are achieved, which improves product quality and reduces resource waste.

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Abstract

An anti-adhesion stirring device for production of fat-mequat chloride belongs to the technical field of fat-mequat chloride production, and comprises a bottom plate for supporting and fixing, and one end of the bottom plate is provided with an inverted L-shaped first support plate; two sets of second supporting plates are arranged close to the two ends of the bottom plate, and the two sets of second supporting plates and the first supporting plate are arranged on the same axis. The mixing box is installed on the two sets of second supporting plates and used for producing, mixing and stirring fat mequat chloride, and regulation and control assemblies are symmetrically arranged on the two sides of the mixing box; and the driving assembly is arranged at the upper end of the first supporting plate, the driving assembly is arranged above the mixing box, and a cleaning plate is installed at the lower end of the driving assembly and connected with the upper end of the regulation and control assembly. The fixing piece extends out of the side wall of the mixing box to fix the side wall of the stirring net arranged at the cleaning hole, so that subsequent cleaning work is facilitated; and after the cleaning plate enters the cleaning hole, the stirring net enters the cleaning groove, so that the cleaning plate can conveniently clean materials adhered to the stirring net.
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Description

Technical Field

[0001] The invention belongs to the technical field of adiponectin production, and particularly relates to an anti-adhesion stirring device for adiponectin production. Background Art

[0002] Lipoic acid has a high fat content, and its raw materials are mostly palm oil. The high-melting point palm oil dissolves into liquid when heated, forms mist droplets after high-pressure spraying, and converts the mist droplets from liquid to solid when cooled, becoming conventional cold-spray fat powder on the market. During the processing of lipoic acid, the raw materials and water need to be mixed; in the prior art, the existing lipoic acid processing device only uses a stirring rod to stir and mix the raw materials and water. However, due to the high viscosity of lipoic acid, the stirring rod in the mixing barrel will cause the stirring efficiency to decrease due to the adhesion of the material, resulting in uneven mixing of the stirred raw materials and water, which not only leads to a decrease in product quality, but also may lead to material waste, resulting in a waste of raw materials and production resources. Summary of the Invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides an anti-adhesion stirring device for the production of lipopolysaccharide, which at least partially solves the problems raised in the above background technology.

[0004] The technical solution adopted by the present invention is as follows: an anti-adhesion stirring device for producing lipopolysaccharide, comprising: A bottom plate, used to support and fix the device body, one end of the bottom plate is provided with an inverted L-shaped first support plate; Second support plates are arranged near both ends of the bottom plate, and the two sets of the second support plates are arranged on the same axis as the first support plate; A mixing box, mounted on the two sets of the second support plates, for producing and mixing the fat-enhancing agent, with regulating components symmetrically provided on both sides of the mixing box; The driving assembly is arranged at the upper end of the first supporting plate. The driving assembly is arranged above the mixing box, and a cleaning plate is installed at the lower end of the driving assembly and connected to the upper end of the regulating assembly.

[0005] Furthermore, the regulating component includes a mounting plate, which is arranged on a side wall of the mixing box, and the mixing box supports the mounting plate. A first spring is installed on the upper end of the mixing box, and an adjustment platform is installed on the upper end of the first spring. The adjustment platform is movably connected to one side wall of the mixing box, and the side of the adjustment platform away from the side wall of the mixing box is arranged in an inclined surface. A pushing plate is installed on the upper end of the adjustment platform, and a clamping plate is installed between the two groups of pushing plates.

[0006] Furthermore, the regulating assembly further comprises a fixed plate, the lower end of the fixed plate is provided with an inclined surface, the inclined surface of the lower end of the fixed plate is movably provided on the inclined surface of the side wall of the adjustment platform, the inclined surface of the lower end of the fixed plate is provided with a plurality of groups of balls for reducing friction, the side wall of the fixed plate is provided with a fixing piece, the fixing piece movably penetrates the side wall of the mixing box, two groups of second springs are symmetrically installed between the mixing box and the fixed plate, the elasticity of the second spring is weaker than that of the first spring, and when the same force is applied, the deformation of the second spring is greater, and the fixing piece is provided between the second springs; Initially, the adjusting platform supports the fixed plate, the second spring is in a stretched state, the fixed part retracts into the side wall of the mixing box, the driving assembly works to press the pushing plate downward, the pushing plate moves downward to squeeze the adjusting platform, the adjusting platform squeezes the first spring, and the first spring is compressed. When the adjusting platform moves downward, the fixed plate moves toward the side wall of the mixing box under the action of the second spring, the fixed plate drives the fixed part, and the fixed part extends out of the side wall of the mixing box.

[0007] Furthermore, the driving assembly includes a hydraulic rod, a fixed end of the hydraulic rod is arranged on the upper end of the first support plate, a connecting plate is installed on the movable end of the hydraulic rod, the cleaning plate is installed on the lower end of the connecting plate, a cleaning groove is provided between the cleaning plates, the clamping plate is movably clamped on the side wall of the cleaning plate, lower pressure plates are installed on both sides of the upper end of the cleaning plate, the lower pressure plate is arranged just above the pushing plate, a third spring is installed between the lower pressure plate and the pushing plate, the elasticity of the first spring is weaker than that of the third spring, and when the same force is applied, the deformation of the first spring is greater; The hydraulic rod works to push the connecting plate downward, the connecting plate drives the cleaning plate downward, the cleaning plate drives the lower pressure plate downward, the lower pressure plate squeezes the third spring, the third spring squeezes the pushing plate, and the pushing plate squeezes the adjustment platform; The hydraulic rod drives the connecting plate to move up, the connecting plate drives the cleaning plate to move up, the cleaning plate drives the lower pressure plate to move up, and the third spring gradually recovers its deformation. As the hydraulic rod continues to move up, the second spring pushes the adjusting table, and the third spring pulls the adjusting table, and the adjusting table moves up.

[0008] Furthermore, the mixing box is provided with a mixing assembly, which also includes a driving rod and a motor. The driving rod is movably arranged in the mixing box and is arranged at the center position of the side wall of the mixing box. The motor is arranged on one group of the side walls of the second support plate. The output shaft end of the motor is connected to the driving rod. The driving rod is provided with multiple groups of stirring nets for stirring and mixing. The motor drives the driving rod to rotate, and the driving rod drives the stirring net to rotate. The stirring net mixes and stirs the materials in the mixing box.

[0009] Among them, the upper end of the mixing box is provided with a cleaning hole, and the cleaning plate is provided at the upper end of the cleaning hole. When the stirring net needs to be cleaned, the stirring net to be cleaned is provided at the position of the cleaning hole, and the fixing part fixes the side wall of the stirring net. The cleaning plate moves down, and the stirring net enters the cleaning trough. The cleaning plate cleans the material adhered to the stirring net. When the cleaning plate moves up, the clamping plate cleans the material on the cleaning plate. The lower end of the mixing box is provided with a discharge port to facilitate the discharge of materials. The inner wall of the mixing box is provided with a heating wire to facilitate heating treatment of the material.

[0010] Furthermore, the mixing box is provided with limiting grooves on two opposite side walls, and the adjustment platform is provided with limiting plates on the side walls, and the limiting plates are movably engaged in the limiting grooves.

[0011] The beneficial effects achieved by the present invention using the above structure are as follows: (1) When the adjustment table moves downward, the fixed plate moves toward the side wall of the mixing box under the action of the second spring. The fixed plate drives the fixing part, and the fixing part extends out of the side wall of the mixing box to fix the side wall of the mixing net located at the cleaning hole, which facilitates subsequent cleaning work.

[0012] (2) When the cleaning plate enters the cleaning hole, the stirring net enters the cleaning tank, making it easier for the cleaning plate to clean the material adhering to the stirring net.

[0013] (3) When the connecting plate drives the cleaning plate to move up, the second spring pushes the adjustment table, and the third spring pulls the adjustment table, and the adjustment table moves up. After the adjustment table moves up, it drives the fixed plate, and the second spring is in a stretched state. The fixed plate drives the fixed part to retract into the side wall of the mixing box. At the same time, the cleaning plate moves up, and the clamping plate cleans the material on the cleaning plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of an anti-adhesion stirring device for producing lipopolysaccharide proposed in this embodiment. Figure 1 ; Figure 2 This is a schematic diagram of the structure of an anti-adhesion stirring device for producing lipopolysaccharide proposed in this embodiment. Figure 2 ; Figure 3 for Figure 2 A local enlarged view of point A; Figure 4 This is a cross-sectional view of an anti-adhesion stirring device for producing lipopolysaccharide proposed in this embodiment; Figure 5 for Figure 4 A local enlarged view of point B; Figure 6 This is a schematic diagram of the structure of an anti-adhesion stirring device for producing lipopolysaccharide proposed in this embodiment. Figure 3 ; Figure 7 for Figure 6 A partial enlarged view of point C.

[0015] Among them, 1. bottom plate, 2. first support plate, 3. second support plate, 4. drive assembly, 5. mixing box, 6. regulating assembly, 7. mixing assembly, 8. mounting plate, 9. first spring, 10. adjustment table, 11. pushing plate, 12. clamping plate, 13. fixing plate, 14. fixing part, 15. second spring, 16. hydraulic rod, 17. connecting plate, 18. cleaning plate, 19. cleaning groove, 20. lower pressure plate, 21. third spring, 22. drive rod, 23. motor, 24. stirring net, 25. cleaning hole, 26. limit groove, 27. limit plate.

[0016] The accompanying drawings are used to provide further understanding of the embodiments and constitute a part of the specification. They are used for explanation together with the embodiments and do not constitute a limitation of the embodiments. DETAILED DESCRIPTION

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection.

[0018] In the description of the embodiments, it should be understood that terms such as "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the embodiments.

[0019] Referring to the accompanying drawings, Figure 1 and Figure 2 As shown, an anti-adhesion stirring device for producing lipopolysaccharide comprises: A bottom plate 1 is used to support and fix the device body, and an inverted L-shaped first support plate 2 is provided at one end of the bottom plate 1; The second support plates 3 are arranged near both ends of the bottom plate 1, and the two sets of the second support plates 3 and the first support plate 2 are arranged on the same axis; A mixing box 5 is installed on two sets of the second support plates 3 for producing mixed and stirred fat growth hormone. The two sides of the mixing box 5 are symmetrically provided with regulating components 6; The driving assembly 4 is arranged at the upper end of the first supporting plate 2 , and the driving assembly 4 is arranged above the mixing box 5 , and a cleaning plate 18 is installed at the lower end of the driving assembly 4 and connected to the upper end of the regulating assembly 6 .

[0020] like Figure 6 and Figure 7 As shown, the regulating assembly 6 includes a mounting plate 8, which is provided on a side wall of the mixing box 5. The mixing box 5 supports the mounting plate 8. A first spring 9 is installed on the upper end of the mixing box 5. An adjustment platform 10 is installed on the upper end of the first spring 9. The adjustment platform 10 is movably connected to a side wall of the mixing box 5. The side of the adjustment platform 10 away from the side wall of the mixing box 5 is arranged in an inclined surface. A pushing plate 11 is installed on the upper end of the adjustment platform 10, and a clamping plate 12 is installed between two groups of the pushing plates 11. The regulating assembly 6 also includes a fixed plate 13, the lower end of the fixed plate 13 is provided with an inclined surface, the lower end inclined surface of the fixed plate 13 is movably provided on the inclined surface of the side wall of the adjustment platform 10, the lower end inclined surface of the fixed plate 13 is provided with a plurality of groups of balls for reducing friction, the side wall of the fixed plate 13 is provided with a fixing member 14, the fixing member 14 is movably provided through the side wall of the mixing box 5, two groups of second springs 15 are symmetrically installed between the mixing box 5 and the fixed plate 13, the elasticity of the second spring 15 is weaker than the elasticity of the first spring 9, when the same force is applied, the deformation of the second spring 15 is larger, and the fixing member 14 is provided between the second springs 15; In this embodiment, initially, the adjustment platform 10 supports the fixed plate 13, the second spring 15 is in a stretched state, the fixing part 14 retracts into the side wall of the mixing box 5, the driving component 4 works to press the pushing plate 11 downward, the pushing plate 11 moves downward to squeeze the adjustment platform 10, the adjustment platform 10 squeezes the first spring 9, and the first spring 9 is compressed. When the adjustment platform 10 moves downward, the fixed plate 13 moves toward the side wall of the mixing box 5 under the action of the second spring 15, the fixed plate 13 drives the fixing part 14, and the fixing part 14 extends out of the side wall of the mixing box 5.

[0021] like Figure 4 and Figure 5 As shown, the driving assembly 4 includes a hydraulic rod 16, the fixed end of the hydraulic rod 16 is provided at the upper end of the first support plate 2, the movable end of the hydraulic rod 16 is installed with a connecting plate 17, the cleaning plate 18 is installed at the lower end of the connecting plate 17, a cleaning groove 19 is provided between the cleaning plates 18, the clamping plate 12 is movably clamped on the side wall of the cleaning plate 18, and lower pressing plates 20 are installed on both sides of the upper end of the cleaning plate 18, the lower pressing plate 20 is provided at the upper end of the pushing plate 11, and a third spring 21 is installed between the lower pressing plate 20 and the pushing plate 11. The elasticity of the first spring 9 is weaker than that of the third spring 21. When the same force is applied, the deformation of the first spring 9 is larger; It should be noted that the hydraulic rod 16 works to push the connecting plate 17 downward, the connecting plate 17 drives the cleaning plate 18 downward, the cleaning plate 18 drives the lower pressure plate 20 downward, the lower pressure plate 20 squeezes the third spring 21, the third spring 21 squeezes the pushing plate 11, and the pushing plate 11 squeezes the adjusting platform 10; the hydraulic rod 16 works to drive the connecting plate 17 upward, the connecting plate 17 drives the cleaning plate 18 upward, the cleaning plate 18 drives the lower pressure plate 20 upward, the third spring 21 gradually recovers its deformation, and as the hydraulic rod 16 continues to move upward, the second spring 15 pushes the adjusting platform 10, the third spring 21 pulls the adjusting platform 10, and the adjusting platform 10 moves upward.

[0022] like Figure 2 and Figure 4 As shown, the mixing box 5 is provided with a mixing assembly 7, and the mixing assembly 7 includes a driving rod 22 and a motor 23. The driving rod 22 is movably arranged in the mixing box 5 and is arranged at the center position of the side wall of the mixing box 5. The motor 23 is arranged on one group of side walls of the second support plate 3. The output shaft end of the motor 23 is connected to the driving rod 22. The driving rod 22 is provided with multiple groups of stirring nets 24 for stirring and mixing. The motor 23 drives the driving rod 22 to rotate, and the driving rod 22 drives the stirring net 24 to rotate. The stirring net 24 mixes and stirs the materials in the mixing box 5.

[0023] A cleaning hole 25 is provided at the upper end of the mixing box 5, and the cleaning plate 18 is provided at the upper end of the cleaning hole 25. When the stirring net 24 needs to be cleaned, the stirring net 24 to be cleaned is provided at the position of the cleaning hole 25, and the fixing member 14 fixes the side wall of the stirring net 24. The cleaning plate 18 moves down, and the stirring net 24 enters the cleaning groove 19. The cleaning plate 18 cleans the material adhering to the stirring net 24. When the cleaning plate 18 moves up, the clamping plate 12 cleans the material on the cleaning plate 18. A discharge port is provided at the lower end of the mixing box 5 to facilitate the discharge of materials. A heating wire is provided on the inner wall of the mixing box 5 to facilitate heating treatment of the materials.

[0024] The mixing box 5 is provided with limiting grooves 26 on two opposite side walls, and the adjustment platform 10 is provided with limiting plates 27 on the side walls. The limiting plates 27 are movably engaged in the limiting grooves 26 .

[0025] The specific implementation is as follows: The materials to be stirred and mixed are placed in the mixing box 5 through the cleaning hole 25. The motor 23 drives the driving rod 22 to rotate, and the driving rod 22 drives the stirring net 24 to rotate. The stirring net 24 mixes and stirs the materials in the mixing box 5. At the same time, the heating wire on the inner wall of the mixing box 5 works to heat the materials in the mixing box 5. At this time, the adjustment platform 10 supports the fixed plate 13, the second spring 15 is in a stretched state, and the fixing member 14 retracts into the side wall of the mixing box 5; When the stirring net 24 needs to be cleaned, the stirring net 24 that needs to be cleaned is located at the position of the cleaning hole 25. The hydraulic rod 16 works to push the connecting plate 17 downward, the connecting plate 17 drives the cleaning plate 18 downward, the cleaning plate 18 drives the lower pressure plate 20 downward, the lower pressure plate 20 squeezes the third spring 21, the third spring 21 squeezes the pushing plate 11, the pushing plate 11 squeezes the adjustment platform 10, the adjustment platform 10 squeezes the first spring 9, the first spring 9 is compressed, when the adjustment platform 10 moves downward, the fixed plate 13 moves toward the side wall of the mixing box 5 under the action of the second spring 15, the fixed plate 13 drives the fixing part 14, the fixing part 14 extends out of the side wall of the mixing box 5 to fix the side wall of the mixing net 24 provided at the cleaning hole 25, so as to facilitate subsequent cleaning work; After the fixing member 14 fixes the side wall of the mixing mesh 24, the hydraulic rod 16 continues to work, driving the cleaning plate 18 to move downward, and the cleaning plate 18 enters the cleaning hole 25. Then the mixing mesh 24 enters the cleaning groove 19, and the cleaning plate 18 cleans the material adhering to the mixing mesh 24; The hydraulic rod 16 drives the connecting plate 17 to move upward, the connecting plate 17 drives the cleaning plate 18 to move upward, the cleaning plate 18 drives the lower pressure plate 20 to move upward, and the third spring 21 gradually recovers its deformation. As the hydraulic rod 16 continues to move upward, the second spring 15 pushes the adjusting platform 10, and the third spring 21 pulls the adjusting platform 10. The adjusting platform 10 moves upward. After the adjusting platform 10 moves upward, the fixed plate 13 is driven. The second spring 15 is in a stretched state, and the fixed plate 13 drives the fixing part 14 to retract into the side wall of the mixing box 5. At the same time, the cleaning plate 18 moves upward, and the clamping plate 12 cleans the material on the cleaning plate 18.

[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0027] Although embodiments have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations may be made to the embodiments without departing from the principles and spirit thereof, and the scope of the embodiments is defined by the appended claims and their equivalents.

[0028] The above description of the embodiment is non-limiting. The drawings show only one embodiment, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by this and, without departing from the purpose of the invention, designs a similar structure and embodiment without inventiveness, they shall fall within the scope of protection.

Claims

1. An anti-adhesion stirring device for the production of lipopolysaccharide, comprising: A bottom plate (1) is used to support and fix the device body, and an inverted L-shaped first support plate (2) is provided at one end of the bottom plate (1); The second support plates (3) are arranged near both ends of the bottom plate (1), and the two groups of the second support plates (3) and the first support plate (2) are arranged on the same axis; A mixing box (5) is installed on two sets of the second support plates (3) and is used for producing mixed and stirred fat growth hormone. The two sides of the mixing box (5) are symmetrically provided with control components (6); The driving assembly (4) is arranged at the upper end of the first supporting plate (2). The driving assembly (4) is arranged above the mixing box (5), and a cleaning plate (18) is installed at the lower end of the driving assembly (4) and is connected to the upper end of the regulating assembly (6).

2. The anti-adhesion stirring device for producing lipopolysaccharide according to claim 1, characterized in that: The regulating assembly (6) includes a mounting plate (8), the mounting plate (8) being arranged on a side wall of the mixing box (5), a first spring (9) being installed on the upper end of the mixing box (5), an adjusting platform (10) being installed on the upper end of the first spring (9), the adjusting platform (10) being movably connected to the side wall of the mixing box (5), the side of the adjusting platform (10) away from the side wall of the mixing box (5) being arranged in an inclined surface, a pushing plate (11) being installed on the upper end of the adjusting platform (10), and a snap-on plate (12) being installed between two groups of the pushing plates (11).

3. The anti-adhesion stirring device for producing lipopolysaccharide according to claim 2, wherein: The regulating assembly (6) further comprises a fixed plate (13), the lower end of the fixed plate (13) being provided with an inclined surface, the inclined surface of the lower end of the fixed plate (13) being movably provided on the inclined surface of the side wall of the adjustment platform (10), the inclined surface of the lower end of the fixed plate (13) being provided with a plurality of groups of balls for reducing friction, the side wall of the fixed plate (13) being provided with a fixing member (14), the fixing member (14) being movably provided through the side wall of the mixing box (5), two groups of second springs (15) being symmetrically installed between the mixing box (5) and the fixed plate (13), the fixing member (14) being provided between the second springs (15).

4. The anti-adhesion stirring device for producing lipopolysaccharide according to claim 2, wherein: The driving assembly (4) includes a hydraulic rod (16), the fixed end of the hydraulic rod (16) is arranged at the upper end of the first support plate (2), the movable end of the hydraulic rod (16) is installed with a connecting plate (17), the cleaning plate (18) is installed at the lower end of the connecting plate (17), a cleaning groove (19) is provided between the cleaning plates (18), the clamping plate (12) is movably clamped on the side wall of the cleaning plate (18), lower pressure plates (20) are installed on both sides of the upper end of the cleaning plate (18), the lower pressure plate (20) is arranged at the upper end of the pushing plate (11), and a third spring (21) is installed between the lower pressure plate (20) and the pushing plate (11).

5. The anti-adhesion stirring device for producing lipopolysaccharide according to claim 1, characterized in that: The mixing box (5) is provided with a mixing assembly (7), and the mixing assembly (7) includes a driving rod (22) and a motor (23). The driving rod (22) is movably arranged in the mixing box (5) and is arranged at the center of the side wall of the mixing box (5). The motor (23) is arranged on the side wall of one group of the second support plates (3). The output shaft end of the motor (23) is connected to the driving rod (22). The driving rod (22) is provided with a plurality of stirring nets (24) for stirring and mixing.

6. The anti-adhesion stirring device for producing lipopolysaccharide according to claim 1, characterized in that: The upper end of the mixing box (5) is provided with a cleaning hole (25), the cleaning plate (18) is provided just above the cleaning hole (25), and the lower end of the mixing box (5) is provided with a discharge port.

7. The anti-adhesion stirring device for producing lipopolysaccharide according to claim 2, characterized in that: The mixing box (5) is provided with limiting grooves (26) on two opposite side walls, and the adjustment platform (10) is provided with limiting plates (27) on its side walls. The limiting plates (27) are movably engaged in the limiting grooves (26).