Separating and filtering device and method for veterinary drug preparation

Abstract

The invention relates to the field of veterinary drug preparation, in particular to a separating and filtering device for veterinary drug preparation and a method thereof.The separating and filtering device comprises a dynamic homogenizing and flow stabilizing unit, and the dynamic homogenizing and flow stabilizing unit comprises a closed cavity, a variable-frequency rotary homogenizing module, a honeycomb flow stabilizing and buffering module, a rectifying module and a constant-temperature jacket; an inner cavity of the closed cavity is sequentially provided with a feeding section, a homogenizing buffer section and a steady-flow output section in the material liquid flowing direction; the variable-frequency rotary homogenization module is used for stirring the feed liquid to realize concentration homogenization; the honeycomb steady flow buffer module is used for eliminating feed liquid rotational flow and buffering pressure fluctuation; the rectification module is used for normalizing the flow state of the feed liquid and regulating and controlling the flow speed; the constant-temperature jacket is arranged outside the closed cavity; according to the invention, the dynamic homogenization and flow stabilization unit is arranged, so that synchronous treatment of concentration homogenization, flow state regularization, pressure stabilization and temperature constancy of veterinary drug feed liquid is realized.

Description

Technical Field

[0001] This invention application relates to the field of veterinary drug preparation, specifically to a separation and filtration device for veterinary drug preparation, and also to a method for veterinary drug preparation. Background Technology

[0002] In the process of veterinary drug preparation and production, the separation and filtration of the feed solution is a key step to ensure the purity, uniformity and production stability of the finished product. The uniformity of the feed solution concentration, the stability of the flow pattern, the stability of the pressure and the constantness of the temperature directly affect the filtration efficiency, the service life of the filter membrane and the quality of the finished product. Therefore, high requirements are placed on the comprehensive performance of feed solution pretreatment and separation filtration.

[0003] Patent CN120789773B discloses a separation and filtration device for veterinary drug preparation. This device mainly consists of a raw water tank, a water supply pump, a filtration unit, and a control mechanism. The filtration unit includes a shell and a filter membrane. The filter membrane has through holes, and a sealing plug is fitted on top of the shell. The control mechanism drives the sealing plug to rise and fall to regulate the pressure inside the filter membrane. The device also includes a return pipe, a drain tee, a backwash tee, and other structures, along with components such as a guide sleeve and a squeeze ring. The working principle of the device is as follows: the water supply pump pumps the liquid from the raw water tank... The liquid is pumped to the filtration unit. The control mechanism changes the gap between the sealing plug and the filter membrane pores by driving the sealing plug to rise and fall. This, combined with adjusting the power of the water supply pump, achieves intermittent pressure changes inside the filter membrane. When the pressure increases, the filtration efficiency is improved. When the pressure decreases, large particles attached to the surface of the filter membrane are detached with the liquid flow. The guide sleeve moves up and down with the sealing plug to create turbulent flow that disturbs the liquid. At the same time, the liquid is stirred by the cavity to flush the filter membrane. The return pipe helps to achieve liquid circulation filtration. The backwash tee, together with the drain tee, completes the backwash cleaning of the filter membrane, thereby reducing the problem of filter membrane clogging.

[0004] Although the above solutions alleviated the problem of filter membrane clogging by large particles to some extent and improved the efficiency of single filtration by combining pressure regulation, fluid disturbance and backwashing, the above solutions did not perform concentration homogenization treatment on the feed liquid. The concentration stratification problem of the feed liquid itself was not solved, which would lead to uneven filtration effect and poor uniformity of the finished product. Summary of the Invention

[0005] To address the aforementioned issues, a separation and filtration device for veterinary drug preparation is provided. By simultaneously processing the veterinary drug solution to achieve uniform concentration, regular flow pattern, stable pressure, and constant temperature, this device effectively solves the problems of easy clogging of the filter membrane, low filtration efficiency, and poor uniformity of finished product quality caused by uneven solution concentration, turbulent flow pattern, large pressure fluctuations, and unstable temperature in traditional separation and filtration devices.

[0006] To address the problems of existing technologies, this invention provides a separation and filtration device for veterinary drug preparation, comprising a dynamic homogenization and flow stabilization unit disposed between a water supply unit and a filtration unit. The dynamic homogenization and flow stabilization unit includes a sealed cavity, a variable frequency rotary homogenization module, a honeycomb flow stabilization buffer module, a rectification module, and a constant temperature jacket. The inner cavity of the sealed cavity is divided into three sections, sequentially designated as a feeding section, a homogenization buffer section, and a flow stabilization output section along the flow direction of the liquid. The variable frequency rotary homogenization module is disposed in the feeding section and is used to stir the liquid to achieve concentration homogenization. The honeycomb flow stabilization buffer module is disposed in the homogenization buffer section and is used to eliminate liquid swirl and buffer pressure fluctuations. The rectification module is disposed in the flow stabilization output section and is used to regulate the liquid flow pattern and control the flow rate. The constant temperature jacket is disposed outside the sealed cavity.

[0007] Preferably, the variable frequency rotary homogenization module includes a drive component and a homogenization paddle component; the homogenization paddle component includes a homogenization paddle shaft, a main homogenization paddle, and an auxiliary homogenization paddle, wherein the auxiliary homogenization paddle is installed on the homogenization paddle shaft in a staggered manner from the main homogenization paddle.

[0008] Preferably, the drive component includes a variable frequency servo motor with an encoder, the variable frequency servo motor is linked to the water supply unit, and the speed of the variable frequency servo motor is infinitely adjustable according to the flow rate of the liquid.

[0009] Preferably, the honeycomb flow stabilization buffer module includes a first-stage honeycomb flow stabilization plate and a second-stage honeycomb flow stabilization plate, which are arranged sequentially along the flow direction of the liquid, and the aperture of the first-stage honeycomb flow stabilization plate is smaller than that of the second-stage honeycomb flow stabilization plate.

[0010] Preferably, the cellular current stabilization buffer module further includes a spacing adjustment structure, which is used to adjust the distance between the first-stage cellular current stabilization plate and the second-stage cellular current stabilization plate.

[0011] Preferably, the spacing adjustment structure includes a guide component and an adjustment component; the guide component is used to guide the second-stage honeycomb flow stabilizer to move along the axial direction of the sealed cavity; the adjustment component is used to adjust the position of the second-stage honeycomb flow stabilizer on the guide component.

[0012] Preferably, the rectifier module includes a rectifier grid frame and grid plates; there are multiple grid plates, and the multiple grid plates are rotatably connected to the rectifier grid frame by pins.

[0013] Preferably, the rectifier module further includes a quick-connect component, which includes multiple self-locking components and quick-release components; the multiple self-locking components are evenly distributed on the rectifier grid frame; the quick-release components are connected to the multiple self-locking components.

[0014] Preferably, the thermostatic jacket is segmented and respectively fitted onto the feeding section, the homogenization buffer section, and the constant flow output section, and each segment of the thermostatic jacket is independently equipped with a water inlet, a water outlet, and a temperature sensor.

[0015] A method for preparing veterinary drugs, applied to a separation and filtration device for veterinary drug preparation, includes the following steps: S1. Start the water supply unit to transport the veterinary drug liquid in the raw water tank to the feeding section of the dynamic homogenization and stabilization unit, and at the same time turn on the constant temperature jacket to adjust the temperature of the sealed cavity to the appropriate value of the veterinary drug liquid. S2. Start the variable frequency rotary homogenization module, which steplessly adjusts the rotation speed according to the liquid flow rate of the water supply unit to stir the liquid and achieve uniform concentration of the liquid. S3. The homogenized liquid flows into the homogenization buffer section, where pressure fluctuations are buffered by the honeycomb flow stabilization buffer module. S4. The liquid material that has been buffered by the flow stabilization flows into the flow stabilization output section, and is rectified by the rectifier module so that the liquid material is output in a uniform laminar flow state. S5. The homogenized and stabilized liquid is then transported to the filtration unit for separation and filtration.

[0016] The advantages of this invention application compared to the prior art are: 1. This invention application includes a sealed cavity, a variable frequency rotary homogenizing module, a honeycomb flow stabilizing buffer module, a rectification module, and a constant temperature jacket. The variable frequency rotary homogenizing module is used to stir the liquid to achieve concentration homogenization. The honeycomb flow stabilizing buffer module is used to eliminate liquid swirl and buffer pressure fluctuations. The rectification module is used to regulate the liquid flow and precisely control the flow rate. By adding an integrated dynamic homogenizing and flow stabilizing unit between the water supply unit and the filtration unit, the functions of variable frequency rotary homogenization, honeycomb flow stabilizing buffer, rectification control, and constant temperature insulation are integrated into one unit. This achieves simultaneous processing of veterinary drug liquid concentration homogenization, flow regulation, pressure stabilization, and temperature constantness. It effectively solves the problems of easy filter membrane clogging, low filtration efficiency, and poor product quality uniformity caused by uneven liquid concentration, turbulent flow, large pressure fluctuations, and unstable temperature in traditional separation and filtration devices.

[0017] 2. This invention application provides a driving component and a homogenizing paddle component. The driving component drives the homogenizing paddle shaft in the homogenizing paddle component to rotate. By having the main homogenizing paddle and the auxiliary homogenizing paddle installed in a staggered manner rotate together, the material liquid is graded and stirred, avoiding the problems of over-stirring and turbulence caused by single-blade stirring, and concentration stratification caused by insufficient stirring, thereby improving the homogenization effect of the material liquid concentration.

[0018] 3. This invention application sets up a variable frequency servo motor. The drive component adopts a variable frequency servo motor with an encoder and establishes a linkage relationship with the water supply unit. This realizes the precise matching and stepless dynamic adjustment of the homogenization stirring speed and the feed flow rate of the liquid. It effectively eliminates the problems of insufficient homogenization of the liquid under high flow rate and excessive stirring and turbulence under low flow rate, and ensures the consistency of the homogenization effect of the liquid under different feed flow rates. Attached Figure Description

[0019] Figure 1 This is a perspective view of the dynamic homogenization and stabilization unit in a separation and filtration device for veterinary drug preparation according to the present invention.

[0020] Figure 2 This is a three-dimensional sectional view of the dynamic homogenization and stabilization unit in a separation and filtration device for veterinary drug preparation, as described in this invention application.

[0021] Figure 3 This is a perspective view of the variable frequency rotary homogenization module in a separation and filtration device for veterinary drug preparation according to the present invention.

[0022] Figure 4 This is a perspective view of the drive component and homogenizing paddle component in a separation and filtration device for veterinary drug preparation according to this invention application.

[0023] Figure 5 This is a perspective view of the honeycomb flow stabilizing buffer module in a separation and filtration device for veterinary drug preparation according to the present invention.

[0024] Figure 6 This is a perspective view of the second-stage honeycomb flow stabilizer, guide assembly, and adjustment assembly in a separation and filtration device for veterinary drug preparation according to the present invention application.

[0025] Figure 7 This is a perspective view of the second-stage honeycomb flow stabilizer and T-shaped guide rail in a separation and filtration device for veterinary drug preparation according to the present invention.

[0026] Figure 8 This is a perspective view of the regulating component in a separation and filtration device for veterinary drug preparation according to the present invention.

[0027] Figure 9 This is a perspective view of the rectifier grid frame, grid plate and quick-connect assembly in a separation and filtration device for veterinary drug preparation according to the present invention.

[0028] Figure 10 This is a perspective view of the rectifier grid frame, self-locking assembly, and quick-release assembly in a separation and filtration device for veterinary drug preparation according to this invention application.

[0029] Figure 11 This is a perspective view of the self-locking component and quick-release component in a separation and filtration device for veterinary drug preparation according to the present invention.

[0030] Figure 12 This is a perspective view of the constant temperature jacket in a separation and filtration device for veterinary drug preparation according to the present invention.

[0031] The diagram is labeled as follows: 1. Sealed cavity; 11. Feeding section; 12. Homogenization buffer section; 13. Flow stabilization output section; 2. Variable frequency rotary homogenization module; 21. Drive assembly; 211. Variable frequency servo motor; 22. Homogenization paddle assembly; 221. Homogenization paddle shaft; 222. Main homogenization paddle; 223. Auxiliary homogenization paddle; 3. Honeycomb flow stabilization buffer module; 31. First-stage honeycomb flow stabilization plate; 32. Second-stage honeycomb flow stabilization plate; 33. Spacing adjustment structure; 331. Guide assembly; 3311 1. T-shaped guide rail; 332. Adjustment assembly; 3321. Piston cylinder; 3322. Piston rod; 4. Rectifier module; 41. Rectifier grid frame; 42. Grid plate; 43. Quick-connect assembly; 431. Self-locking assembly; 4311. Mounting plate; 4312. Insert rod; 4313. Spring; 432. Quick-release assembly; 4321. Linkage plate; 4322. Linkage rod; 4323. Throttle; 5. Thermostatic jacket; 51. Inlet; 52. Outlet; 53. Temperature sensor. Detailed Implementation

[0032] To further understand the features, technical means, and specific objectives and functions achieved by this invention application, the invention application will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0033] Reference Figures 1 to 12 The diagram shows a separation and filtration device for veterinary drug preparation, comprising a dynamic homogenization and flow stabilization unit disposed between a water supply unit and a filtration unit. The dynamic homogenization and flow stabilization unit includes a sealed cavity 1, a variable frequency rotary homogenization module 2, a honeycomb flow stabilization buffer module 3, a rectification module 4, and a constant temperature jacket 5. The inner cavity of the sealed cavity 1 is divided into three sections, sequentially arranged along the flow direction of the liquid as a feeding section 11, a homogenization buffer section 12, and a flow stabilization output section 13. The variable frequency rotary homogenization module 2 is disposed in the feeding section 11 and is used to stir the liquid to achieve concentration homogenization. The honeycomb flow stabilization buffer module 3 is disposed in the homogenization buffer section 12 and is used to eliminate liquid swirling and buffer pressure fluctuations. The rectification module 4 is disposed in the flow stabilization output section 13 and is used to regulate the liquid flow pattern and control the flow rate. The constant temperature jacket 5 is disposed outside the sealed cavity 1.

[0034] First, the water supply unit starts, continuously and stably delivering the veterinary drug solution to be treated to the feed section 11 of the sealed cavity 1 of the dynamic homogenization and flow stabilization unit. Simultaneously, the variable frequency rotary homogenization module 2 installed in the feed section 11 starts, using variable frequency controlled rotational stirring to thoroughly agitate the veterinary drug solution just entering the cavity. This effectively breaks down the concentration stratification of the components in the solution, ensuring uniform mixing of all effective components and achieving homogenization of the solution concentration. This prevents localized high or low concentrations from affecting subsequent filtration. The homogenized solution, after being treated by the variable frequency rotary homogenization module 2, flows naturally along the inner cavity of the sealed cavity 1 to the homogenization buffer section 12. The honeycomb flow stabilization buffer module 3 in this section effectively blocks and eliminates the swirling flow generated during stirring, while also buffering pressure fluctuations during the solution delivery process, keeping the solution pressure stable and preventing sudden pressure increases or decreases from damaging subsequent modules and the filter membrane. After deswirl and pressure buffering, the liquid continues to flow to the steady-flow output section 13 of the sealed cavity 1. The rectifier module 4 regulates the liquid flow, transforming the turbulent flow into a stable, uniform laminar flow. Simultaneously, it precisely controls the output flow rate to ensure the liquid is delivered to the subsequent filtration unit at a constant and appropriate velocity. Throughout the process, the thermostatic jacket 5, installed outside the sealed cavity 1, remains operational, continuously regulating the temperature of the liquid within the cavity 1 to maintain a constant temperature throughout the pretreatment process, preventing temperature fluctuations from affecting the liquid properties and subsequent filtration efficiency. The veterinary drug liquid, after pretreatment by the dynamic homogenization and stabilization unit (which achieves concentration homogenization, flow regulation, pressure stabilization, and temperature stabilization), is stably delivered to the filtration unit. The filtration unit performs efficient separation and filtration, ultimately obtaining a veterinary intermediate or finished product that meets the requirements. By adding an integrated dynamic homogenization and flow stabilization unit between the water supply unit and the filtration unit, the functions of frequency conversion rotation homogenization, honeycomb flow stabilization and buffering, rectification and control and constant temperature insulation are integrated into one, realizing the simultaneous processing of uniform veterinary drug liquid concentration, regular flow pattern, pressure stabilization and temperature constantness. It effectively solves the problems of easy clogging of filter membrane, low filtration efficiency and poor uniformity of finished product quality caused by uneven liquid concentration, turbulent flow pattern, large pressure fluctuation and unstable temperature in traditional separation and filtration devices.

[0035] Reference Figure 2 , Figure 3 and Figure 4 As shown: The variable frequency rotary homogenization module 2 includes a drive component 21 and a homogenization paddle component 22; the homogenization paddle component 22 includes a homogenization paddle shaft 221, a main homogenization paddle 222 and an auxiliary homogenization paddle 223, and the auxiliary homogenization paddle 223 is installed on the homogenization paddle shaft 221 with the main homogenization paddle 222 being misaligned.

[0036] When the water supply unit delivers the veterinary drug liquid to be treated to the feeding section 11 of the sealed cavity 1 of the dynamic homogenization and stabilization unit, the variable frequency rotary homogenization module 2 starts synchronously. Its drive component 21 starts working and outputs power to drive the homogenization paddle shaft 221 in the homogenization paddle assembly 22 to rotate. During the rotation, the main homogenization paddle 222 initially stirs and disperses the liquid that has just entered the cavity and may have concentration stratification, breaking up the uneven distribution of effective components in the liquid and making the liquid initially mixed. Subsequently, the auxiliary homogenization paddle 223, which is installed in a staggered manner with the main homogenization paddle 222, follows and rotates to perform secondary stirring of the liquid after the main homogenization paddle 222 has stirred it. It fully stirs the dead areas that may have been left by the main homogenization paddle 222, ensuring that all the liquid in the feeding section 11 can be uniformly stirred, forming a stirring effect without any dead areas. By having the main homogenizing paddle 222 and the auxiliary homogenizing paddle 223 installed in a staggered manner rotate together, the liquid is stirred in stages, avoiding the problems of over-stirring and turbulence caused by single-blade stirring, and concentration stratification caused by insufficient stirring, thus improving the homogenization effect of the liquid concentration.

[0037] Reference Figure 3 and Figure 4 As shown: The drive component 21 includes a variable frequency servo motor 211 with an encoder. The variable frequency servo motor 211 is linked with the water supply unit. The speed of the variable frequency servo motor 211 is infinitely adjustable according to the flow rate of the liquid.

[0038] When the water supply unit delivers the liquid, it transmits the flow rate signal to the variable frequency servo motor 211 with an encoder. The encoder detects the speed of the variable frequency servo motor 211 in real time and provides feedback. The variable frequency servo motor 211 continuously adjusts its speed according to the liquid flow rate signal. When the flow rate is high, the speed is increased to enhance the stirring and homogenization effect, and when the flow rate is low, the speed is reduced to avoid turbulence in the liquid. By using the variable frequency servo motor 211 with an encoder and establishing a linkage with the water supply unit, the drive component 21 achieves precise matching and stepless dynamic adjustment between the homogenization stirring speed and the liquid feed flow rate. This effectively eliminates the problems of insufficient homogenization of the liquid under high flow rates and excessive stirring causing turbulence under low flow rates, ensuring the consistency of the liquid homogenization effect under different feed flow rates.

[0039] Reference Figure 2 and Figure 5 As shown: The honeycomb flow stabilizing buffer module 3 includes a first-stage honeycomb flow stabilizing plate 31 and a second-stage honeycomb flow stabilizing plate 32. The first-stage honeycomb flow stabilizing plate 31 and the second-stage honeycomb flow stabilizing plate 32 are arranged sequentially along the flow direction of the liquid, and the aperture of the first-stage honeycomb flow stabilizing plate 31 is smaller than the aperture of the second-stage honeycomb flow stabilizing plate 32.

[0040] First, the liquid flows through the first-stage honeycomb flow stabilizer 31, which is positioned along the flow direction. After homogenization, the liquid is divided into multiple fine streams. This segmentation quickly breaks up the swirling flow generated during stirring and effectively alleviates localized flow velocity unevenness. These fine streams, segmented by the first-stage honeycomb flow stabilizer, continue flowing along the direction of liquid flow to the second-stage honeycomb flow stabilizer 32. The second-stage honeycomb flow stabilizer 32 features a large-aperture design, where the fine streams are further integrated and divided. This further regulates the liquid flow pattern, maintains stability, and effectively reduces resistance during flow, preventing stagnation in the homogenization buffer section 12 due to excessive flow resistance. This ensures the liquid flows smoothly and steadily to the stable flow output section 13. The honeycomb flow stabilizing buffer module 3 achieves a balance between eliminating swirling flow and reducing flow resistance by setting a first-stage honeycomb flow stabilizing plate 31 and a second-stage honeycomb flow stabilizing plate 32 that are distributed sequentially along the flow direction of the liquid.

[0041] Reference Figure 5 As shown: The cellular current stabilization buffer module 3 further includes a spacing adjustment structure 33, which is used to adjust the distance between the first-stage cellular current stabilization plate 31 and the second-stage cellular current stabilization plate 32.

[0042] If the viscosity of the liquid to be processed is high, to avoid stagnation and blockage between the two-stage flow stabilizers, the spacing between the two-stage flow stabilizers is increased through the spacing adjustment structure 33. This provides sufficient buffering and flow space for the high-viscosity liquid, ensuring smooth flow. If the viscosity of the liquid to be processed is low, to improve the efficiency of deswirl stabilization and enhance the flow regularity, the spacing between the two-stage flow stabilizers is decreased through the spacing adjustment structure 33. This allows the liquid to quickly complete the connection between fine-segment deswirl and wide-segment flow stabilization, improving pretreatment efficiency. By adding the spacing adjustment structure 33 connected to the first-stage honeycomb flow stabilizer 31 and the second-stage honeycomb flow stabilizer 32, flexible adjustment of the spacing between the first-stage honeycomb flow stabilizer 31 and the second-stage honeycomb flow stabilizer 32 is achieved. This allows the honeycomb flow stabilization buffer module 3 to accurately adapt to veterinary drug liquids of different viscosities and flow rates, effectively solving the problem that fixed-spacing flow stabilizers cannot adapt to liquids with multiple characteristics, are prone to blockage, or have low flow stabilization efficiency. This significantly improves the module's versatility and the adaptability of the flow stabilization buffer.

[0043] Reference Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown: The spacing adjustment structure 33 includes a guide component 331 and an adjustment component 332; the guide component 331 is used to guide the second-stage honeycomb flow stabilizer 32 to move along the axial direction of the sealed cavity 1; the adjustment component 332 is used to adjust the position of the second-stage honeycomb flow stabilizer 32 on the guide component 331.

[0044] Specifically, the guide assembly 331 includes multiple T-shaped guide rails 3311, which are arranged on the inner wall of the sealed cavity 1 along the axial direction of the sealed cavity 1. The second-stage honeycomb flow stabilizer plate 32 is provided with a T-shaped groove adapted to the T-shaped guide rails 3311. The adjustment assembly 332 includes a piston cylinder 3321 and a piston rod 3322. The piston cylinder 3321 is coaxially arranged with the sealed cavity 1 and connected to the first-stage honeycomb flow stabilizer plate 31. The inner cavity of the piston cylinder 3321 is connected to an external air pump. One end of the piston rod 3322 is movably disposed in the piston cylinder 3321, and the other end of the piston rod 3322 is connected to the second-stage honeycomb flow stabilizer plate 32.

[0045] Before starting the device and conveying the veterinary drug solution, the operator determines the appropriate distance between the first-stage honeycomb flow stabilizer plate 31 and the second-stage honeycomb flow stabilizer plate 32 based on the viscosity, flow rate, and other characteristics of the solution. Then, an external air pump is started, which charges and depresses the piston cylinder 3321 of the adjusting component 332, thereby driving the piston rod 3322 to extend and retract along the axis of the piston cylinder 3321. Since the end of the piston rod 3322 furthest from the piston cylinder 3321 is fixedly connected to the second-stage honeycomb flow stabilizer plate 32, the extension and retraction of the piston rod 3322 synchronously moves the second-stage honeycomb flow stabilizer plate 32 accordingly. When the second-stage honeycomb flow stabilizer plate 32 moves to the preset distance position, the external air pump stops charging and depressing, the piston cylinder 3321 maintains a stable air pressure, and the piston rod 3322 is fixed at the current extension / retraction position, thus fixing the position of the second-stage honeycomb flow stabilizer plate 32 and completing the distance adjustment between the two flow stabilizers. The spacing adjustment structure 33, through the connection and coordination of the guide component 331 and the adjustment component 332, realizes the directional and precise movement of the second-stage honeycomb flow stabilizer 32 along the axis of the sealed cavity 1, thereby flexibly adjusting the spacing between the two-stage honeycomb flow stabilizers.

[0046] Reference Figure 3 and Figure 9 As shown: The rectifier module 4 includes a rectifier grid frame 41 and grid plates 42; there are multiple grid plates 42, and the multiple grid plates 42 are rotatably connected to the rectifier grid frame 41 by pins.

[0047] Before the device is started and the liquid enters the dynamic homogenization and stabilization unit, the operator adjusts the rectification module 4 in advance, taking into account the characteristics of the veterinary drug liquid to be treated and the requirements of the subsequent filtration unit for the liquid flow rate and flow pattern. The operator rotates multiple grid plates 42 on the rectification grid frame 41 around the pin shaft, and simultaneously adjusts the angle between all grid plates 42 and the liquid flow direction to ensure that the multiple grid plates 42 are adjusted in a consistent manner, forming a regular and uniform flow channel. When the liquid flows through this flow channel, it is further regulated by the grid plates 42, completely eliminating residual irregular flow patterns, and is finally controlled into a uniform laminar flow state, which is then smoothly and evenly delivered to the subsequent filtration unit, providing stable liquid conditions for the separation and filtration process.

[0048] Reference Figure 9 and Figure 10 As shown: The rectifier module 4 further includes a quick-connect component 43, which includes multiple self-locking components 431 and quick-release components 432; the multiple self-locking components 431 are evenly distributed on the rectifier grid frame 41; the quick-release components 432 are connected to the multiple self-locking components 431.

[0049] Specifically, the self-locking assembly 431 includes a mounting plate 4311, a rod 4312, and a spring 4313. The mounting plate 4311 is mounted on the rectifier grid frame 41. The rod 4312 penetrates vertically through the mounting plate 4311 and is slidably connected to the mounting plate 4311. The spring 4313 is sleeved on the rod 4312 and is used to provide the rod 4312 with a thrust toward the inner wall of the sealed cavity 1. The quick-release assembly 432 includes a linkage plate 4321, multiple linkage rods 4322, and a handle 4323. The linkage plate 4321 is located in the middle of the multiple rods 4312. The multiple linkage rods 4322 are respectively connected to the rods 4312 in the multiple self-locking assemblies 431, and the multiple linkage rods 4322 are connected to the linkage plate 4321. The handle 4323 is connected to the middle of the linkage plate 4321 and is used to rotate the linkage plate 4321.

[0050] When installing the rectifier module 4, the spring 4313 pushes the insertion rod 4312 along the mounting plate 4311 towards the inner wall of the sealed cavity 1. The insertion rod 4312 is then engaged with the inner wall of the cavity, achieving self-locking fixation of the rectifier grid frame 41. When cleaning, maintenance, or replacement of worn grid plates 42 is required, the rectifier module 4 needs to be disassembled. The operator rotates the handle 4323, which drives the linkage plate 4321 fixedly connected to it to rotate synchronously. During the rotation of the linkage plate 4321, the rectifier module 4 is disassembled. Multiple linkage rods 4322 synchronously pull the corresponding insertion rods 4312 in the self-clamping assembly 431, causing the insertion rods 4312 to overcome the thrust of the spring 4313 and slide along the mounting plate 4311 towards the center of the linkage plate 4321 until all insertion rods 4312 are disengaged from the slots on the inner wall of the sealed cavity 1. At this point, the clamping state of the self-clamping assembly 431 is released, and the operator can directly remove the rectifier module 4 from the current-stabilized output section 13 for quick disassembly. The disassembly process also requires no additional tools, making the operation simple and quick. Through the coordinated operation of the self-clamping assembly 431 and the quick-release assembly 432 of the quick-connect assembly 43, quick connection and quick release of the rectifier module 4 are achieved, facilitating subsequent cleaning, maintenance, and replacement of the grid plates 42 of the rectifier module 4, thus reducing equipment maintenance costs.

[0051] Referring to the figure: the constant temperature jacket 5 is segmented and respectively fitted onto the feeding section 11, the homogenization buffer section 12 and the constant flow output section 13, and each segment of the constant temperature jacket 5 is independently equipped with an inlet 51, an outlet 52 and a temperature sensor 53.

[0052] The three-stage thermostatic jacket 5 independently regulates the temperature of the feeding section 11, homogenization buffer section 12, and flow stabilization output section 13 of the sealed cavity 1. Temperature sensors 53 in each section monitor and provide feedback on the temperature of their respective cavity section in real time. By adjusting the flow rate of the medium at the inlet 51 and outlet 52 of each thermostatic jacket 5, the temperature of each cavity section is precisely controlled, achieving segmented thermostatic control of the liquid throughout the homogenization, flow stabilization, and rectification processes. The segmented thermostatic jacket 5, in conjunction with the independent temperature sensors 53, enables precise and independent thermostatic control of each step in the liquid pretreatment process. This is adapted to the temperature-sensitive characteristics of veterinary drug liquids, preventing temperature fluctuations from causing changes in liquid viscosity and ensuring the stability of homogenization, flow stabilization, and rectification effects.

[0053] A method for preparing veterinary drugs, applied to a separation and filtration device for preparing veterinary drugs as described in any one of claims 1-9, characterized in that it includes the following steps: S1. Start the water supply unit to transport the veterinary drug liquid in the raw water tank to the feed section 11 of the dynamic homogenization and stabilization unit, and at the same time turn on the constant temperature jacket 5 to adjust the temperature of the sealed cavity 1 to the appropriate value of the veterinary drug liquid. S2. Start the variable frequency rotary homogenization module 2, which steplessly adjusts the rotation speed according to the liquid flow rate of the water supply unit, stirs the liquid, and achieves uniformity of liquid concentration. S3. The homogenized liquid flows into the homogenization buffer section 12 and is buffered by the honeycomb flow stabilization buffer module 3 to buffer pressure fluctuations. S4. The liquid material that has been buffered by the flow stabilization flows into the flow stabilization output section 13, and is rectified by the rectifier module 4 so that the liquid material is output in a uniform laminar flow state. S5. The homogenized and stabilized liquid is then transported to the filtration unit for separation and filtration.

[0054] The above embodiments only illustrate one or more implementation methods of this invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this invention, and these all fall within the protection scope of this invention. Therefore, the protection scope of this invention should be determined by the appended claims.

Claims

1. A separation and filtration device for veterinary drug preparation, characterized in that, It includes a dynamic homogenization and flow stabilization unit set between the water supply unit and the filtration unit. The dynamic homogenization and flow stabilization unit includes a sealed cavity (1), a variable frequency rotary homogenization module (2), a honeycomb flow stabilization buffer module (3), a rectifier module (4), and a constant temperature jacket (5). The inner cavity of the sealed cavity (1) is divided into three sections, which are sequentially set as the feeding section (11), the homogenization buffer section (12), and the steady flow output section (13) along the direction of liquid flow. The variable frequency rotary homogenizing module (2) is installed in the feeding section (11). The variable frequency rotary homogenizing module (2) is used to stir the liquid to achieve concentration homogenization. The honeycomb flow stabilization buffer module (3) is installed in the homogenization buffer section (12). The honeycomb flow stabilization buffer module (3) is used to eliminate the swirling of the liquid and buffer pressure fluctuations. The rectifier module (4) is located in the steady flow output section (13). The rectifier module (4) is used to regulate the flow state of the liquid and control the flow rate. The thermostatic jacket (5) is located outside the sealed cavity (1).

2. The separation and filtration device for veterinary drug preparation according to claim 1, characterized in that, The variable frequency rotary homogenization module (2) includes a drive assembly (21) and a homogenization paddle assembly (22). The homogenizing propeller assembly (22) includes a homogenizing propeller shaft (221), a main homogenizing propeller (222), and an auxiliary homogenizing propeller (223). The auxiliary homogenizing propeller (223) is installed on the homogenizing propeller shaft (221) with the main homogenizing propeller (222) offset from the main homogenizing propeller (222).

3. The separation and filtration device for veterinary drug preparation according to claim 2, characterized in that, The drive component (21) includes a variable frequency servo motor (211) with an encoder. The variable frequency servo motor (211) is linked with the water supply unit. The speed of the variable frequency servo motor (211) is infinitely adjustable with the flow rate of the liquid.

4. The separation and filtration device for veterinary drug preparation according to claim 1, characterized in that, The honeycomb flow stabilizing buffer module (3) includes a first-stage honeycomb flow stabilizing plate (31) and a second-stage honeycomb flow stabilizing plate (32). The first-stage honeycomb flow stabilizing plate (31) and the second-stage honeycomb flow stabilizing plate (32) are arranged sequentially along the flow direction of the liquid, and the aperture of the first-stage honeycomb flow stabilizing plate (31) is smaller than the aperture of the second-stage honeycomb flow stabilizing plate (32).

5. The separation and filtration device for veterinary drug preparation according to claim 4, characterized in that, The cellular current stabilization buffer module (3) further includes a spacing adjustment structure (33), which is used to adjust the distance between the first-stage cellular current stabilization plate (31) and the second-stage cellular current stabilization plate (32).

6. The separation and filtration device for veterinary drug preparation according to claim 5, characterized in that, The spacing adjustment structure (33) includes a guide component (331) and an adjustment component (332); The guide assembly (331) is used to guide the second-stage honeycomb flow stabilizer (32) to move along the axial direction of the sealed cavity (1); The adjustment component (332) is used to adjust the position of the second-stage cellular flow stabilizer (32) on the guide component (331).

7. The separation and filtration device for veterinary drug preparation according to claim 1, characterized in that, The rectifier module (4) includes a rectifier grid frame (41) and grid plates (42). The grid plate (42) is multiple, and the multiple grid plates (42) are rotatably connected to the rectifier grid frame (41) by pins.

8. A separation and filtration device for veterinary drug preparation according to claim 7, characterized in that, The rectifier module (4) also includes a quick-connect assembly (43), which includes multiple self-locking assemblies (431) and quick-release assemblies (432). Multiple self-clamping components (431) are evenly distributed on the rectifier grid frame (41); The quick-release assembly (432) is connected to a plurality of the self-locking assemblies (431).

9. A separation and filtration device for veterinary drug preparation according to claim 1, characterized in that, The thermostatic jacket (5) is segmented and respectively fitted onto the feeding section (11), the homogenization buffer section (12) and the steady flow output section (13), and each segment of the thermostatic jacket (5) is independently equipped with an inlet (51), an outlet (52) and a temperature sensor (53).

10. A method for preparing veterinary drugs, applied to a separation and filtration device for preparing veterinary drugs as described in any one of claims 1-9, characterized in that, Includes the following steps: S1. Start the water supply unit to transport the veterinary drug liquid in the raw water tank to the feeding section (11) of the dynamic homogenization and stabilization unit, and at the same time open the constant temperature jacket (5) to adjust the temperature of the sealed cavity (1) to the appropriate value of the veterinary drug liquid. S2. Start the variable frequency rotary homogenization module (2), steplessly adjust the rotation speed according to the liquid flow rate of the water supply unit, stir the liquid, and achieve uniformity of liquid concentration. S3. The homogenized liquid flows into the homogenization buffer section (12) and is buffered by the honeycomb flow stabilization buffer module (3) to prevent pressure fluctuations. S4. The liquid material that has been buffered by the flow stabilization flows into the flow stabilization output section (13), and is rectified by the rectifier module (4) so ​​that the liquid material is output in a laminar flow state at a uniform speed. S5. The homogenized and stabilized liquid is then transported to the filtration unit for separation and filtration.

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