Running state control method applied to centrifugal machine and centrifugal machine

Abstract

The invention discloses an operation state control method applied to a centrifugal machine. A rotating shaft is driven to rotate according to a rotating speed median value so that mixed liquid can be evenly distributed into each set of rotating drums; after separation of n parts of mixed liquid is completed, a set of rotary drums with the best separation effect in centrifugal separation of each set of rotary drums is confirmed, and the optimal centrifugal force of mixed liquid separation is obtained through calculation; calculating the radius of the energy-saving rotary drum to obtain a corresponding energy-saving rotary drum sleeve, and configuring the optimal rotating speed of the rotating shaft according to the position of the rotary drum sleeve and the optimal centrifugal force; and the mixed liquid is guided to the fixed drum sleeve. And driving the rotating shaft to rotate according to the optimal rotating speed, and separating the mixed liquid. Mixed liquid can be separated at the same time through multiple centrifugal forces. Through one-time separation of a plurality of rotary drum sleeves, the most suitable separation rotary drum can be determined at the fastest speed, and the separation efficiency is improved. And only one set of drum sleeve is used for separation again, so that the efficiency is high, and meanwhile, energy is saved.

Description

Technical Field

[0001] The invention relates to a control method for a centrifuge, and in particular to an operating state control method for a centrifuge and a centrifuge. Background Art

[0002] A centrifuge is a high-speed rotating machine that uses the principle of centrifugal force to quickly separate mixed solutions through the difference in the sedimentation speed of different substances in the centrifugal field. Specifically, when an object moves in a circle around a central axis, it will be subjected to a force pointing to the outside of the circle, which is the centrifugal force. In a centrifuge, the mixture is placed on a rotating rotor. As the rotor accelerates, the different components in the mixture are separated due to the centrifugal forces of different magnitudes.

[0003] The speed of a centrifuge is a key parameter that directly affects the separation effect of the centrifuge. The speed of a centrifuge usually refers to the rotation speed of the centrifuge rotor, which determines the magnitude of the centrifugal force generated during the centrifugation process. The unit of speed is often expressed in revolutions per minute (rpm). In some cases, the magnitude of the centrifugal force is also expressed as a multiple of the gravitational acceleration g (G value), but there is a conversion relationship between the two, and the G value is more used to describe the effect of centrifugal force rather than the speed itself.

[0004] However, centrifuges usually require a lot of power to maintain their normal operation, especially when the speed is high, the energy consumption will further increase. This not only increases the operating cost, but also may burden the environment. At the same time, too high a speed may cause the sample to be subjected to excessive centrifugal force, thereby destroying the structure or properties of the sample and affecting the separation effect. At the same time, insufficient speed will also lead to insufficient centrifugal force, which in turn affects the separation effect. Summary of the invention

[0005] In view of the defects existing in the prior art, the purpose of the present invention is to provide an operation state control method and a centrifuge applied to a centrifuge, which can obtain the appropriate rotation speed for the mixed liquid through a single operation, thereby achieving efficient and energy-saving separation.

[0006] To achieve the above object, the present invention provides an operating state control method for a centrifuge, wherein the centrifuge comprises n sets of drum sleeves sleeved on a rotating shaft, and the control method comprises: S1, the sieve holes of every n drums starting from the nth one from the inside to the outside are closed, and the flow divider is set to an even distribution mode, wherein the even distribution mode can evenly distribute the mixed liquid to every n drums starting from the first one, and the even distribution mode includes a spiral baffle with a shortened radius.

[0007] S2, obtaining a mixed liquid parameter, estimating a median rotation speed, and driving the rotating shaft to rotate according to the median rotation speed; S3, start to transport n portions of the mixed liquid to the diverter plate, so that the diverter plate evenly distributes the mixed liquid to each set of drums; S4, after completing the separation of n portions of the mixed liquid, determining a set of drums with the best separation effect among the centrifugal separation of each set of drums, wherein the judgment parameters of the separation effect include the obtained purity, the time required for separation, and the single separation quality; S5, calculating the optimal centrifugal force for mixed liquid separation according to the position of the optimal drum sleeve and the median value of the rotation speed; S6, obtaining the required speed of supplying the mixed liquid and / or the required speed of separation, calculating the radius of the energy-saving drum, and obtaining the corresponding energy-saving drum sleeve, wherein the drum sleeve that meets the required speed of supplying the mixed liquid and / or the required speed of separation includes a drum sleeve that receives and separates a fixed amount of mixed liquid within a set time; S7, configuring an optimal rotation speed of the rotating shaft according to the position of the drum sleeve and the optimal centrifugal force; S8, setting the diverter plate to a designated mode, wherein the designated mode includes a guide plate that guides the fixed drum sleeve; S9, driving the rotating shaft to rotate at the optimal rotation speed and separating the mixed liquid.

[0008] Based on the above method, at least n times of the n sets of drums have sieve holes and the sieve holes can be closed. By opening and closing the sieve holes, the inside of the centrifuge is divided into different levels of different sets of drum sets.

[0009] Based on the above method, the optimal centrifugal force calculation formula is: F = (v1ρ1-v2*ρ2)*ω²*r; Wherein v1 is the mixed liquid supply volume per unit time, ρ1 is the mixed liquid density, V2 is the output volume of one output liquid per unit time, ρ2 is the density of the output liquid, w is the shaft speed, and r is the radius of the position of the optimal drum sleeve.

[0010] Based on the above method, the radius of the energy-saving drum is calculated including: S601, obtaining a flow rate T1 of a required supply of a mixed liquid and / or obtaining a flow rate T2 of a required separation; S602, according to T1 and / or T2, confirming a drum set that can accommodate and separate a quantitative mixed liquid v within a set time; S603, obtaining the radius R of the drum sleeve and calculating the shaft speed w: W=F / (V*ρ1*w); It also includes that the n sets of drums are all provided with sieve holes, and the sieve holes can be closed. S604, according to the radius R of the drum sleeve, opening and closing the drums near the radius R, so that these drums form a new set of drum sleeves.

[0011] On the basis of the above method, when the separation speed is required to be maximum, S6-S9 are: S701, calculating a selectable rotation speed of a rotating shaft corresponding to each drum according to the optimal centrifugal force; S702, setting the splitter plate to an equal distribution mode, rotating the shaft at a maximum speed among the selected speeds to separate the mixed liquid.

[0012] Based on the above method, the mixed liquid is a mixture of solid and liquid, and before step S1, it also includes: T1, determine the density of the mixed field ρh, the solid density ρs; T2, at time Ts, the mixed liquid is input into each set of drums, and solid-liquid separation is performed by a centrifuge at the median speed, and the separation is completed at time Te; T3, measure the flow rate Vs, i.e. density ρc, of the output liquid from each drum sleeve from the start of mixed liquid input to the end of separation; T2, measure the input flow rate Ve of the input mixed liquid of each drum sleeve; T3, according to the density of the mixture itself, the mass of the output liquid and the mass of the mixed liquid, the purity of the solid in the corresponding drum set is obtained: Among them, the remaining liquid mass is Ml={ [Ve*(Te-Ts)*ρh-Vs*(Te-Ts)*ρc] / (ρc-ρs)- Vs*(Te-Ts)*ρc}* ρc The remaining solid mass is Ms = Ve*(Te-Ts)*ρh-[Ve*(Te-Ts)*ρh-Vs*(Te-Ts)*ρc] / (ρc-ρs) Residual solid purity P = Ms / (Ms+Ml); T5, record the drums whose purity is lower than the threshold, turn off the centrifuge and clean all the drums, and execute steps S1-S9, wherein the diverter plate in S1 skips the recorded drums to distribute the mixed liquid.

[0013] Based on the above method, it also includes a cleaning step: U1, configure the manifold to a full distribution mode, wherein the manifold distributes the input liquid to each drum simultaneously, and the manifold includes a plurality of guide tubes; U2, start the centrifuge and inject the cleaning solution at the maximum flow rate, and adjust the shaft speed gradually from the maximum positive value to the maximum negative value; U3, obtains the flow rate and mass of the output waste liquid during the gradual change of the shaft speed, and obtains the density of the waste liquid; U4, determine the time point T0 when the waste liquid density is the highest; U5, obtaining the high-efficiency cleaning speed change value segment of the shaft within the time period from T0-△T to T0+△T, where △T is the value of the preset time period; U6, repeatedly changing the speed according to the high-efficiency cleaning speed change value segment.

[0014] Based on the above method, the drum is a detachable link, and after step S4, the method further includes: S401, calculating the radius of the corresponding drum sleeve according to the optimal centrifugal force and the required speed of supplying the mixed liquid and / or the required speed of separation; S402, determining whether a drum already exists at the drum sleeve position on the radius, and if not, installing the corresponding required drum sleeve; Step S402, disassembling the drum sleeve except the required drum sleeve position.

[0015] In a second aspect, the present invention further provides a centrifuge, comprising: n sets of drum sleeves, used to close the screen holes of every n drums starting from the nth one from the inside to the outside; A flow divider plate, which is used to be set in an even distribution mode, wherein the even distribution mode can evenly distribute the mixed liquid to every n drums starting from the first one, and the even distribution mode includes a spiral baffle plate with a shortened radius; A rotating shaft is used to set n sets of rotating drum sleeves, and rotate according to the median value of the rotation speed, and the median value of the rotation speed is and obtains the mixed liquid parameter, which is estimated; The splitter plate is also used to evenly distribute the mixed liquid into each set of rotating drums; The n sets of drum sets include the best drum sets with the best separation effect in centrifugal separation, and the judgment parameters of the separation effect include the obtained purity, the time required for separation, and the single separation quality; The n sets of drum sleeves also include drum sleeves that meet the required mixed liquid supply speed and / or required separation speed, which are obtained by calculating the optimal centrifugal force for mixed liquid separation based on the position of the optimal drum sleeve and the median value of the rotation speed, and obtaining the required mixed liquid supply speed and / or required separation speed, and calculating the radius of the energy-saving drum; The diverter plate is also used for a designated mode, wherein the designated mode includes a guide plate that guides the fixed drum sleeve; The rotating shaft is also used to rotate according to the optimal rotation speed and separate the mixed liquid.

[0016] Based on the above centrifuge, at least n times of the n sets of drums have sieve holes and the sieve holes can be closed, and the inside of the centrifuge is divided into different levels of different sets of drum sets by opening and closing the sieve holes; The drum is a detachable link, and the radius of the corresponding drum sleeve can be calculated according to the optimal centrifugal force and the required speed of supplying the mixed liquid and / or the required speed of separation; and the drum sleeve except the required drum sleeve position can be disassembled.

[0017] Compared with the prior art, the advantages of the present invention are: first, the centrifuge is equipped with multiple sets of drum sleeves. This design enables it to have the ability to apply multiple different centrifugal forces to the mixed liquid for separation within the same time period. Each set of drum sleeves can generate a specific centrifugal force field according to its structure, size and rotation speed, so as to adapt to the separation needs of mixed liquids of different properties or compositions. This configuration of multiple drum sleeves not only improves the flexibility and scope of application of the centrifuge, but also greatly enriches the choice of separation strategies, allowing researchers and engineers to flexibly adjust and optimize separation conditions according to specific separation goals and mixed liquid characteristics.

[0018] Furthermore, by separating multiple sets of drum sleeves at the same time, the centrifuge can quickly screen and verify multiple separation conditions in a short period of time. This parallel processing method significantly shortens the process of determining the most suitable separation drum, thereby greatly improving the separation efficiency. In practical applications, researchers can quickly identify which drum sleeves produce centrifugal force fields that are closer to the ideal separation conditions based on preliminary experimental results, and then give priority to these excellent drum sleeves in subsequent separation tasks to achieve more efficient and accurate separation.

[0019] Finally, after determining the best separation drum sleeve, the centrifuge will only use this set of drum sleeves for separation operations when performing re-separation. This strategy not only ensures the consistency and repeatability of the separation process, but also further improves the separation efficiency by reducing unnecessary drum sleeve replacement and adjustment. At the same time, since only one set of drum sleeves is used for each separation task, the energy consumption of the centrifuge is also effectively controlled, achieving efficient use of energy. This approach of striking a balance between separation efficiency and energy conservation not only reflects the advanced nature of centrifuge design, but also conforms to the current concept of sustainable development.

[0020] In summary, the design of centrifuges equipped with multiple sets of drum sleeves not only improves its separation capacity and flexibility, but also significantly improves separation efficiency through parallel processing and optimization strategies, and achieves energy conservation while ensuring separation quality. This design innovation undoubtedly provides a broader space and possibility for the application of centrifuges in scientific research, industrial production and other fields. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, a brief introduction is given below to the drawings corresponding to the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 The figure is a flowchart of one embodiment of the present invention.

[0023] Figure 2 A schematic diagram of an embodiment of the present invention. DETAILED DESCRIPTION

[0024] The embodiments of the present invention are further described in detail below with reference to the accompanying drawings.

[0025] The present invention realizes that the centrifuge is equipped with multiple sets of drum sleeves, which can realize multiple centrifugal forces to separate the mixed liquid at the same time. Through the one-time separation of multiple sets of drum sleeves, the most suitable separation drum can be determined at the fastest speed, thereby improving the separation efficiency. When the separation is performed again, only one set of drum sleeves is used for separation, which is highly efficient and saves energy.

[0026] In order to better understand the above technical solution, a detailed description is given below in conjunction with specific implementation methods.

[0027] like Figure 1-2 As shown, a running state control method applied to a centrifuge comprises: S1, the sieve holes of every n drums starting from the nth one from the inside to the outside are closed, and the flow divider is set to an even distribution mode, wherein the even distribution mode can evenly distribute the mixed liquid to every n drums starting from the first one, and the even distribution mode includes a spiral baffle with a shortened radius.

[0028] In step S1, the operator first performs a critical operation: closing the sieve holes of every nth drum from the inside out, starting from the nth one. This step is crucial because it directly determines which drums will be involved in the separation process of the mixed liquid and the separation tasks they each undertake. By closing the sieve holes of specific drums, the mixed liquid can be prevented from flowing through these drums, thereby achieving precise control of the flow direction of the mixed liquid. This operating strategy not only improves the separation accuracy of the centrifuge, but also enables researchers to flexibly adjust the use strategy of the drum according to the specific properties of the mixed liquid and the separation goals, so as to achieve the best separation effect.

[0029] Next, the operator sets the diverter plate to the equal distribution mode. The equal distribution mode is a special diverter mode, which is designed to evenly distribute the mixed liquid to every nth drum starting from the first one. The core of this mode lies in its built-in spiral baffle with a shortened radius. The design of the spiral baffle not only ensures the uniformity of the mixed liquid during the diversion process, but also further improves the distribution efficiency of the mixed liquid in the drum by shortening the radius. When the mixed liquid flows through the diverter plate, the spiral baffle guides the mixed liquid to flow along a specific path, ensuring that every drop of the mixed liquid can be accurately distributed to the predetermined drum.

[0030] It is worth noting that the spiral baffle with a shortened radius not only improves the distribution efficiency of the mixed liquid, but also reduces the energy loss of the mixed liquid during the diversion process through its unique design. This design innovation not only makes the separation process of the centrifuge more efficient, but also reduces the energy consumption of the equipment and improves the overall economy.

[0031] S2, obtaining a mixed liquid parameter, estimating a median rotation speed, and driving the rotating shaft to rotate according to the median rotation speed.

[0032] In step S2, the first thing to do is to obtain the mixed liquid parameters. This step is crucial because it provides data support for the subsequent speed setting. The mixed liquid parameters include but are not limited to the density, viscosity, ratio of solid phase to liquid phase, particle size distribution, etc. of the mixed liquid. These parameters can be obtained through laboratory analytical instruments such as density meters, viscometers, particle size analyzers, etc. Through a comprehensive analysis of these parameters, researchers can gain an in-depth understanding of the physical and chemical properties of the mixed liquid, thereby providing a scientific basis for the subsequent centrifugation process.

[0033] After obtaining the mixed liquid parameters, the next step is to estimate the median speed. The median speed is the ideal speed value that the centrifuge shaft should reach under specific mixed liquid conditions, which directly determines the effect of centrifugal separation. The process of estimating the median speed involves an in-depth understanding of the mixed liquid characteristics and a mastery of the working principle of the centrifuge. Researchers need to comprehensively consider factors such as the density, viscosity, particle size of the mixed liquid, as well as the structural characteristics of the centrifuge, separation efficiency requirements and other factors, and obtain a reasonable estimate of the median speed through calculation or reference to relevant manuals.

[0034] Once the median speed is estimated, the centrifuge shaft can be driven to rotate according to the median speed. The implementation of this step depends on the centrifuge control system. The control system will accurately adjust the speed of the shaft according to the input median speed through actuators such as motors and frequency converters to reach the preset median speed. During the rotation of the shaft, the control system will also monitor the changes in speed in real time to ensure that the shaft runs at a stable speed to ensure the efficiency and accuracy of the centrifugal separation process.

[0035] It is worth noting that the estimated median speed value is not fixed. It may be adjusted according to changes in the characteristics of the mixed liquid or the wear of the centrifuge during use. Therefore, in the S2 step, researchers need to maintain continuous monitoring of the mixed liquid parameters and regular evaluation of the centrifuge performance in order to adjust the median speed value in time to ensure that the centrifugal separation process is always in the best state.

[0036] S3, start to transport n portions of the mixed liquid to the splitter plate, so that the splitter plate evenly distributes the mixed liquid to each set of drums.

[0037] In step S3, the first operation to start is to transport n portions of mixed liquid to the diverter plate. The implementation of this step depends on the centrifuge's conveying system, which is usually composed of pumps, pipes, valves, etc. Researchers prepare n portions of mixed liquid in advance according to experimental or production requirements. These mixed liquids may have different components, concentrations or physical properties. Then, by turning on the pump and the corresponding valve, the n portions of mixed liquid are transported to the diverter plate of the centrifuge in sequence or simultaneously.

[0038] The manifold is a key component in the centrifuge, which is responsible for evenly distributing the input mixed liquid to each drum. In step S3, when n portions of mixed liquid are delivered to the manifold, the manifold will evenly distribute the mixed liquid to each set of drums according to the preset distribution strategy. This distribution process is achieved through a series of flow channels, baffles or nozzles inside the manifold, which ensures the uniform distribution of the mixed liquid on the manifold and avoids local overload or underload.

[0039] It is worth noting that the design of the manifold will vary depending on the model of the centrifuge, the number and arrangement of the drums, and the characteristics of the mixed liquid. For example, in some high-performance centrifuges, the manifold may adopt a more complex flow channel design to better adapt to the flow characteristics of the mixed liquid and improve the uniformity and accuracy of the distribution.

[0040] After the mixed liquid is evenly distributed to each set of drums, the drum of the centrifuge starts to rotate at a preset speed. During the rotation process, due to the action of centrifugal force, the solid phase and liquid phase in the mixed liquid are separated and deposited at different positions of the drum. This separation process will continue until the predetermined separation effect or time is achieved.

[0041] During the entire S3 step, researchers need to pay close attention to the delivery of the mixed liquid, the distribution effect of the diverter plate, and the rotation status of the drum. If any abnormality is found, such as poor mixed liquid delivery, uneven diversion, or abnormal drum rotation, the operation should be stopped immediately and related equipment should be checked to ensure the normal operation and separation effect of the centrifuge.

[0042] S4, after completing the separation of n portions of the mixed liquid, confirming the set of drums with the best separation effect in the centrifugal separation of each set of drums, wherein the judgment parameters of the separation effect include the obtained purity, the time required for separation, and the single separation quality.

[0043] In step S4, as the n mixed liquids are centrifuged in their respective drums, researchers need to conduct a series of detailed evaluations to determine which set of drums has the best separation effect. This evaluation process is not based on visual observation or simple judgment, but is based on a series of scientific and objective parameters.

[0044] First, researchers will focus on the purity of the product obtained after separation in each set of drums. Purity is one of the most direct and important indicators for measuring separation effect, which reflects the degree of separation between the target component and impurities in the mixed liquid. Through chemical analysis, spectral detection and other means, researchers can accurately measure the purity of the target component in each set of drums, thereby comparing the separation effects of different drums.

[0045] Secondly, the time required for separation is also an important parameter for evaluating the separation effect. In the centrifugal separation process, the length of time not only affects the production efficiency, but may also affect the quality and stability of the product. Therefore, researchers will record the time required for each set of drums to complete the separation, and conduct comparative analysis to find the drum with the shortest time and the best separation effect.

[0046] In addition, the single separation quality is also an evaluation indicator that cannot be ignored. It refers to the effective amount of mixed liquid that the drum can handle during each centrifugal separation process, as well as the quality and stability of the separated products. By measuring the single separation quality of each set of drums, researchers can evaluate the processing capacity of the centrifuge and the performance differences between different drums.

[0047] Based on the comprehensive consideration of the above parameters, researchers will use statistical methods or professional software to process and analyze the data to determine which set of drums has the best separation effect. In this process, it may be necessary to repeat the experiment many times to verify the reliability and stability of the results.

[0048] It is worth noting that even if a set of drums shows the best separation effect in a batch of experiments, it does not mean that it is the best choice in all cases. Because the effect of centrifugal separation is affected by many factors, such as the composition, concentration, temperature, pressure, etc. of the mixed liquid. Therefore, every time a centrifuge is used for separation experiments, researchers need to adjust and optimize the selection of drums and separation parameters according to the specific situation.

[0049] S5, calculating the optimal centrifugal force for mixed liquid separation according to the optimal drum sleeve position and the median rotation speed.

[0050] In step S5, the researchers first reviewed and confirmed the optimal drum set position determined in step S4. This position is the best choice based on the comprehensive evaluation of the separation effect of each drum set after the n mixed liquids have been centrifuged. It represents the drum position that can produce the best separation effect under the current experimental conditions.

[0051] Next, researchers will refer to the median speed value estimated and actually applied in step S2. This median speed value is an ideal speed value obtained through a detailed analysis of the mixed liquid parameters and a deep understanding of the working principle of the centrifuge. It ensures that the drum can generate sufficient centrifugal force during the rotation process to effectively separate the solid and liquid phases in the mixed liquid.

[0052] After confirming the optimal drum sleeve position and the median speed, researchers began to calculate the optimal centrifugal force. The calculation of centrifugal force involves the mechanical principles in physics, especially the relationship between centrifugal force and speed, mass, and radius. Based on Newton's second law and the definition of centrifugal force, researchers can derive the formula for calculating centrifugal force, that is, centrifugal force F is equal to mass m multiplied by the square of the speed ω, multiplied by the radius r (F=mω²r).

[0053] In this formula, mass m usually refers to the mass of the mixed liquid, speed ω corresponds to the median speed (usually in radians per second), and radius r refers to the radius of the bowl (the distance from the center of rotation of the bowl to its edge). By substituting these parameters into the formula, researchers can calculate the centrifugal force generated by the optimal bowl sleeve at a given speed under the current experimental conditions.

[0054] It is worth noting that the calculation of the optimal centrifugal force is not a one-time task, but an iterative and optimized process. Because in actual operation, the composition, concentration, temperature and other conditions of the mixed liquid may change, and these changes may affect the calculation results of the centrifugal force. Therefore, researchers need to continuously monitor and record relevant data during the experiment, and adjust and optimize the calculation parameters in time to ensure the accuracy and reliability of the optimal centrifugal force.

[0055] In addition, researchers also need to consider the uniformity of centrifugal force distribution. During the centrifugal separation process, if the centrifugal force is unevenly distributed, the solid and liquid phases in the mixed liquid may be unevenly distributed inside the drum, thus affecting the separation effect. Therefore, when calculating the optimal centrifugal force, researchers also need to consider how to optimize the design and structure of the drum to ensure uniform distribution of centrifugal force.

[0056] S6, obtaining the required speed of supplying the mixed liquid and / or the required speed of separation, calculating the radius of the energy-saving drum, and obtaining the corresponding energy-saving drum sleeve, wherein the drum sleeve that meets the required speed of supplying the mixed liquid and / or the required speed of separation includes a drum sleeve that accommodates and separates a fixed amount of mixed liquid within a set time.

[0057] In step S6, researchers first collect and analyze actual demand information, including the speed of supplying mixed liquid (i.e., the rate at which the mixed liquid is delivered to the centrifuge) and the speed of required separation (i.e., how long it is expected to complete the separation of a certain amount of mixed liquid). This information usually comes from production plans, experimental requirements, or customer orders.

[0058] Next, researchers use this information to calculate the radius of the energy-saving drum. The design of the energy-saving drum aims to reduce the energy consumption during the centrifugal separation process by optimizing the size and shape of the drum and improving the energy efficiency of the drum material. In this process, the radius of the drum is a crucial parameter because it directly affects the volume, speed and centrifugal force generated by the drum, which in turn affects the separation effect and energy consumption.

[0059] In order to calculate the radius of the energy-saving drum, researchers need to consider multiple factors, including but not limited to the physical properties of the mixed liquid (such as density, viscosity, etc.), the mass fraction of the separation target, the strength and wear resistance of the drum material, the structural limitations of the centrifuge, and the expected separation efficiency, etc. By applying the principles of physics and engineering, researchers can establish a mathematical model to predict the performance of the drum at different radii and select the optimal radius value accordingly.

[0060] Once the radius of the energy-saving drum is determined, researchers can design and manufacture the corresponding energy-saving drum sleeve based on this radius. This drum sleeve needs to meet the requirements of receiving and separating a certain amount of mixed liquid within a set time. This means that the volume, speed and separation efficiency of the drum sleeve need to match the speed of supplying the mixed liquid and the speed of separation required.

[0061] In actual operation, researchers may encounter some challenges, such as how to reduce energy consumption while ensuring separation effect, how to balance the manufacturing cost and service life of the drum sleeve, etc. In order to solve these problems, researchers may need to conduct multiple experiments and iterative optimizations, and constantly adjust the size, material and structure of the drum sleeve until the best solution is found.

[0062] In addition, it is worth noting that with the continuous advancement of technology and the changing needs of experiments, the design and manufacture of energy-saving drum sleeves also need to be continuously updated and upgraded. Therefore, in step S6, researchers also need to keep an eye on new technologies and new materials so that they can adjust and optimize the design of the drum sleeve in a timely manner when necessary.

[0063] S7, configuring an optimal rotation speed of the rotating shaft according to the position of the drum sleeve and the optimal centrifugal force.

[0064] In step S7, the researchers first reviewed and confirmed the position of the drum sleeve determined in step S6. This position is the optimal choice after comprehensive evaluation based on actual needs, such as the speed of supplying mixed liquid and / or the speed of required separation, as well as the design requirements of the energy-saving drum. It represents the drum sleeve position that can produce the best separation effect and energy consumption performance under the current experimental or production conditions.

[0065] Next, researchers will refer to the optimal centrifugal force calculated in step S5. This centrifugal force is an ideal value obtained through mathematical models and experimental verification after considering multiple factors such as the physical properties of the mixed liquid, the radius of the drum, the rotation speed, and the mass fraction of the separation target. It ensures that the drum can generate sufficient centrifugal force during rotation to effectively separate the solid and liquid phases in the mixed liquid while maintaining low energy consumption.

[0066] After confirming the position of the drum sleeve and the optimal centrifugal force, researchers began to configure the optimal speed of the shaft. Speed ​​is a key parameter in centrifuge operation, which directly affects the centrifugal force generated by the drum, separation efficiency and energy consumption. In order to obtain the best speed configuration, researchers need to consider multiple factors, including the size, shape and material of the drum sleeve, the physical properties of the mixed liquid, and the expected separation effect.

[0067] In this process, researchers may use some professional software and tools to assist in the calculation. These software and tools can automatically calculate the centrifugal force generated by the drum at different speeds and predict the separation effect based on the input parameters, such as the radius of the drum sleeve, the density and viscosity of the mixed liquid. By comparing the separation effect and energy consumption at different speeds, researchers can choose an optimal speed configuration so that the drum can generate sufficient centrifugal force while maintaining low energy consumption.

[0068] In addition, researchers also need to consider the matching between the shaft and the drum. Because the shaft is the component that drives the drum to rotate, its speed and torque need to match the load and speed of the drum to ensure that the drum can rotate smoothly and efficiently. Therefore, when configuring the optimal speed, researchers also need to make necessary adjustments and optimizations to the shaft to ensure a good match between it and the drum.

[0069] It is worth noting that the configuration of the optimal speed is not a one-time task, but a process of continuous iteration and optimization. Because in actual operation, the composition, concentration, temperature and other conditions of the mixed liquid may change, and these changes may affect the configuration of the optimal speed. Therefore, researchers need to continuously monitor and record relevant data during the experiment or production process, and adjust and optimize the speed configuration in time to ensure that the performance and separation effect of the centrifuge are always maintained at the best state.

[0070] S8, setting the diverter plate to a designated mode, wherein the designated mode includes a guide plate that guides the fixed drum sleeve.

[0071] In step S8, researchers will first set the mode of the manifold according to the previous steps, especially the drum sleeve position and optimal speed determined in steps S6 and S7. The manifold is a key component in the centrifuge, which is responsible for distributing the input mixed liquid to each drum sleeve according to the predetermined path and flow rate. By adjusting the parameters such as the angle, position and opening size of the manifold, the distribution ratio and flow rate of the mixed liquid in different drum sleeves can be controlled.

[0072] When setting the manifold to a specified mode, researchers pay special attention to the guide plates that guide the fixed drum sleeve. These guide plates are designed with specific shapes and sizes to ensure that the mixed liquid can flow smoothly and evenly into the specified drum sleeve. This is crucial to maintaining the separation effect and stability of the centrifuge, because uneven distribution of mixed liquid may cause changes in the fluid dynamics in the drum, thus affecting the separation effect and energy consumption.

[0073] In order to set the specified mode of the manifold, researchers may use some professional tools and equipment, such as measuring instruments, calibration devices and simulation software, etc. These tools can help them accurately measure and adjust the parameters such as the angle, position and opening size of the manifold to ensure that they meet the predetermined requirements.

[0074] In addition, researchers also need to consider the impact of the physical and flow characteristics of the mixed liquid on the manifold settings. For example, parameters such as the density, viscosity, and flow rate of the mixed liquid may affect the working effect of the manifold. Therefore, when setting the manifold, they need to consider these factors comprehensively to ensure that the manifold can maintain stable performance under different experimental and production conditions.

[0075] It is worth noting that the setting of the manifold is not a one-time task, but a process of continuous adjustment and optimization. Because in actual operation, the composition, concentration and temperature of the mixed liquid may change, and these changes may affect the working effect of the manifold. Therefore, researchers need to continuously monitor and record relevant data during the experiment or production process, and adjust and optimize the setting of the manifold in time to ensure that the performance and separation effect of the centrifuge are always kept in the best state.

[0076] Finally, researchers also need to perform regular maintenance and inspections on the manifold. This includes checking the wear of the manifold, cleaning the dirt and residue on the surface of the manifold, and calibrating the parameters of the manifold. Regular maintenance and inspections can ensure that the manifold is always in good working condition, thereby extending the service life of the centrifuge and improving the separation effect.

[0077] S9, driving the rotating shaft to rotate at the optimal rotation speed and separating the mixed liquid.

[0078] In step S9, researchers first ensure that all parts of the centrifuge have been properly installed and debugged, especially key parts such as the shaft, drum sleeve and splitter plate. The precise installation and debugging of these parts are crucial to the performance and separation effect of the centrifuge, because they jointly determine the flow path and separation efficiency of the mixed liquid during the centrifugation process.

[0079] Next, researchers will start the centrifuge's drive system to drive the shaft to rotate at the optimal speed determined in the previous steps (especially step S7). During this process, they need to pay close attention to the operating status of the shaft and drum casing to ensure that they can rotate smoothly and continuously without abnormal vibration or noise.

[0080] As the shaft rotates, the mixed liquid will be directed to the designated drum sleeve by the diverter plate. In the drum sleeve, the mixed liquid will be subjected to the centrifugal force, and the solid and liquid phases will be separated due to the difference in density. The solid phase will usually be thrown to the inner wall of the drum sleeve, forming a thick layer of sediment, while the liquid phase will flow to the center of the drum sleeve due to the centrifugal force and finally be discharged through a specific outlet.

[0081] During the separation process, researchers need to pay close attention to the separation effect and energy consumption of the mixed liquid. They can evaluate the separation effect by observing the distribution of solid and liquid phases in the drum sleeve, and measuring indicators such as the purity of the liquid phase at the outlet and the recovery rate of the solid phase. At the same time, they also need to monitor the energy consumption of the centrifuge to ensure that the energy efficiency of the entire separation process meets the predetermined requirements.

[0082] It is worth noting that the separation process may be affected by many factors, such as the composition, concentration, temperature of the mixed liquid, and the material and structure of the drum sleeve. Therefore, in step S9, researchers may need to fine-tune the parameters of the centrifuge according to actual conditions to optimize the separation effect and energy efficiency.

[0083] In addition, in order to ensure the continuity and stability of the separation process, researchers also need to perform regular maintenance and servicing on the centrifuge. This includes cleaning the dirt and residue on the surface of components such as the drum sleeve and the splitter plate, checking the wear of components such as the shaft and bearings, and replacing severely worn components. Regular maintenance and servicing can ensure that the centrifuge is always in good working condition, thereby extending its service life and improving the separation effect.

[0084] On the basis of the above embodiment, at least n times of the n sets of drums have sieve holes and the sieve holes can be closed. By opening and closing the sieve holes, the inside of the centrifuge is divided into different levels of different sets of drum sets.

[0085] Specifically, at least n multiples of the n sets of drums are equipped with closable sieve holes. This design enables the inside of the centrifuge to be flexibly divided into different levels and sets of drum sets by opening and closing the sieve holes, thereby greatly enhancing the separation capacity and adaptability of the centrifuge.

[0086] Specifically, these drums equipped with sieve holes are specially designed in structure. The size, shape and distribution of the sieve holes are carefully calculated to ensure that they can effectively promote the separation of mixed liquids when open, and prevent the leakage of solid particles when closed, thereby maintaining the cleanliness and separation efficiency of the centrifuge.

[0087] The opening and closing of the sieve holes can be achieved in a variety of ways, including but not limited to mechanical switches, electromagnetic control valves or pneumatic control devices. These control devices can accurately control the opening and closing time and opening degree of the sieve holes according to the needs of experiments or production, thereby achieving fine control of the mixed liquid separation process.

[0088] When the sieve holes are open, the solid particles in the mixed liquid will be thrown to the inner wall of the drum sleeve by the centrifugal force and enter the drum sleeve of the next level through the sieve holes. In this way, the drum sleeves of different levels can perform multi-stage separation on the mixed liquid, thereby improving the separation efficiency and purity. At the same time, due to the presence of the sieve holes, the mixed liquid can also be graded and separated, that is, according to the size and density of different particles, they are collected in different drum sleeves.

[0089] When the sieve holes are closed, the drum sleeve forms a relatively closed separation space, which can effectively prevent the leakage and cross contamination of solid particles. This is especially important for experiments or production that require high-purity separation, as it can ensure the quality and stability of the final product.

[0090] In addition, this design also enables the centrifuge to flexibly adapt to different experimental and production needs. By adjusting the opening and closing status of the sieve holes, researchers can flexibly configure different levels and numbers of drum sets according to the composition, concentration and separation target of the mixed liquid, thereby achieving the best separation effect and energy consumption performance.

[0091] In summary, the design of at least n multiples of the drums in n sets of drums equipped with closable sieve holes not only enhances the separation capacity and adaptability of the centrifuge, but also improves the separation efficiency and purity, and expands new areas and possibilities for the application of centrifuges. This innovative design will undoubtedly promote the development of centrifuge technology and provide more efficient, flexible and reliable separation solutions for scientific research and production.

[0092] Furthermore, first, the mixed liquid supply volume v1 per unit time is collected, and the total mass v1ρ1 of the mixed liquid is obtained by combining the mixed liquid density ρ1. Similarly, the output volume V2 of the output liquid is obtained, and the mass V2ρ2 of the output liquid is obtained by combining the density ρ2 of the output liquid. The mass remaining in the drum is obtained (v1ρ1-v2*ρ2), and finally the optimal centrifugal force calculation formula is obtained: F = (v1ρ1-v2*ρ2)*ω²*r; Wherein v1 is the mixed liquid supply volume per unit time, ρ1 is the mixed liquid density, V2 is the output volume of one output liquid per unit time, ρ2 is the density of the output liquid, w is the shaft speed, and r is the radius of the position of the optimal drum sleeve.

[0093] Furthermore, the calculation of the radius of the energy-saving drum includes: S601, obtaining a flow rate T1 of a required supply of a mixed liquid and / or obtaining a flow rate T2 of a required separation; S602, according to T1 and / or T2, confirming a drum set that can accommodate and separate a quantitative mixed liquid v within a set time; S603, obtaining the radius R of the drum sleeve and calculating the shaft speed w: W=F / (V*ρ1*w); It also includes that the n sets of drums are all provided with sieve holes, and the sieve holes can be closed. S604, according to the radius R of the drum sleeve, opening and closing the drums near the radius R, so that these drums form a new set of drum sleeves.

[0094] Specifically, S601, accurately obtain the flow rate T1 of the required mixed liquid supply and / or obtain the required separation speed T2: First, we need to analyze the process requirements in detail and determine the flow rate T1 of the mixed liquid supply entering the drum system by measurement or estimation. This parameter directly affects the efficiency of the drum to treat the mixed liquid. At the same time, if there is a specific separation speed requirement in the process, we also need to obtain this speed T2, which determines the efficiency of separation of each component in the mixed liquid. These two parameters are the basis for the subsequent calculation of the drum specifications.

[0095] S602, according to the T1 and / or T2, combined with the process requirements, confirm the drum sleeve that can accommodate the quantitative mixed liquid v and effectively separate it within the set time: After obtaining the flow rate T1 and / or separation speed T2, we need to determine the appropriate drum sleeve specifications based on the volume v of the mixed liquid and the required separation efficiency. This step involves calculating the drum capacity to ensure that the drum can accommodate and process the specified amount of mixed liquid within the set operating time, while achieving the expected separation effect.

[0096] S603, obtain the radius R of the selected drum sleeve, and calculate the shaft speed w accordingly: After determining the specifications of the drum sleeve, we need to measure its radius R. Next, use the formula W=F / (Vρ1πR^2n), where F represents the driving force of the drum, V is the volume flow rate of the mixed liquid (which can be calculated by T1), ρ1 is the density of the mixed liquid, and n is the number of drums in the drum sleeve (if a multi-drum parallel design is adopted), to calculate the shaft speed w. This speed is the key factor to ensure that the mixed liquid is effectively separated in the drum.

[0097] In addition, the design of the energy-saving drum also includes the following features: Features: n sets of drums are equipped with adjustable sieve holes, which can be closed as needed. This design allows the size and opening state of the sieve holes to be adjusted according to different separation requirements, thereby improving the flexibility and separation efficiency of the drum.

[0098] S604, according to the radius R of the drum sleeve, intelligently control the opening and closing of the drum sieve holes near the radius R, so that these drums work together to form a new set of drum sleeves: In actual operation, we may need to dynamically adjust the working state of the drum sleeve according to the characteristics of the mixed liquid or the change of the separation target. By accurately controlling the opening and closing of the sieve holes, the internal flow field of the drum can be optimized, and the separation efficiency and energy saving effect can be further improved. This step involves an advanced control system that can monitor the working state of the drum in real time and automatically adjust the sieve hole configuration according to the preset algorithm to ensure that the drum sleeve always works in the best state.

[0099] On the basis of the above embodiment, when the maximum separation speed is required, S6-S9 are: S701, calculating a selectable rotation speed of a rotating shaft corresponding to each drum according to the optimal centrifugal force; S702, setting the splitter plate to an equal distribution mode, rotating the shaft at a maximum speed among the selected speeds to separate the mixed liquid.

[0100] Specifically, in S701, the candidate rotation speed of the rotating shaft corresponding to each drum is calculated according to the optimal centrifugal force: In this step, we first need to clarify the concept of "optimal centrifugal force". Optimal centrifugal force refers to the centrifugal force that can achieve the best separation effect between different components in the mixed liquid in the drum. This value is usually obtained through experimental data or theoretical calculations, and is closely related to the physical properties of the mixed liquid (such as density, viscosity, etc.), the separation target, and the design parameters of the drum (such as radius, mesh size, etc.).

[0101] Based on the optimal centrifugal force, we can use the centrifugal separation principle in physics to calculate the shaft speed required for each drum to achieve the best separation effect. This calculation process may involve complex mathematical models and algorithms, but the core goal is to ensure that each drum can provide sufficient centrifugal force during operation to achieve efficient separation.

[0102] S702, setting the splitter plate to an equal distribution mode, rotating the shaft at the maximum speed among the selected speeds, to separate the mixed liquid: After determining the candidate speed corresponding to each drum, we need to select a suitable speed to drive the shaft. In the scenario of pursuing the maximum separation speed, the maximum value of the candidate speeds is usually selected as the operating speed, because a higher speed means a stronger centrifugal force, which may lead to a faster separation speed.

[0103] At the same time, in order to ensure that the mixed liquid can be evenly and efficiently distributed to each drum, we need to set the manifold to the equal distribution mode. The equal distribution mode means that the manifold will evenly distribute the mixed liquid to each drum according to the number and layout of the drums, avoiding local overload or underload, thereby ensuring the separation efficiency and stability of the entire drum system.

[0104] When executing step S702, it is also necessary to monitor the operating status of the drum system to ensure that the shaft runs stably at the set maximum speed, observe the separation effect of the mixed liquid, and make fine adjustments if necessary to optimize the separation performance. In addition, it is also necessary to consider the energy consumption and wear of the drum system to ensure that the economy and reliability of the system are maintained while pursuing the maximum separation speed.

[0105] Furthermore, the mixed liquid is a mixture of solid and liquid, and before step S1, the process further includes: T1, determine the density of the mixed field ρh, the solid density ρs; This step is the basis for understanding the physical properties of the mixed liquid, which is crucial for the subsequent separation process. The density of the mixed liquid, ρh, reflects its overall mass distribution, while the density of the solid particles, ρs, determines the behavior of the solid during the centrifugation process. Through accurate density measurement, we can better predict the separation effect of the mixed liquid in the centrifuge, as well as the quality and purity of the solid and liquid phases after separation. This usually requires the use of a dedicated density meter or pycnometer.

[0106] T2, at time Ts, the mixed liquid is input into each set of drums, and solid-liquid separation is performed by a centrifuge at the median speed, and the separation is completed at time Te; At time Ts, the set start time, a certain amount of mixed liquid is input into each set of drums. In order to ensure the stability and efficiency of the separation process, we choose the median value of the speed as the operating speed. This speed can provide sufficient centrifugal force to effectively separate solid particles from liquids, and can also avoid increased energy consumption and mechanical wear caused by excessive speed. The separation process continues until time Te, the set end time, to ensure that there is enough separation time to achieve the desired separation effect.

[0107] T3, measure the flow rate Vs, i.e. density ρc, of the output liquid from each drum sleeve from the start of mixed liquid input to the end of separation; During the separation process, the flow rate Vs and density ρc of the output liquid flowing out of each drum sleeve need to be monitored in real time. The flow rate Vs reflects the amount of output liquid, while the density ρc reveals the composition of the output liquid. By measuring these parameters, we can calculate the content of solid particles in the output liquid and then evaluate the separation effect. Flow measurement is usually performed using a flow meter, while density measurement may require sampling.

[0108] T4, measure the input flow rate Ve of the mixed liquid into each drum sleeve.

[0109] In order to accurately calculate the separation efficiency, we need to know the amount of mixed liquid input to each drum set, that is, the input flow Ve. This data is the basis for evaluating the performance of the drum system and is also the key to the subsequent calculation of solid purity and quality. The input flow Ve can be measured by a flow meter to ensure the accuracy and reliability of the data.

[0110] T5, according to the density of the mixture itself, the mass of the output liquid and the mass of the mixed liquid, the purity of the solid in the corresponding drum set is obtained: Among them, the remaining liquid mass is Ml={ [Ve*(Te-Ts)*ρh-Vs*(Te-Ts)*ρc] / (ρc-ρs)- Vs*(Te-Ts)*ρc}* ρc The remaining solid mass is Ms = Ve*(Te-Ts)*ρh-[Ve*(Te-Ts)*ρh-Vs*(Te-Ts)*ρc] / (ρc-ρs) Residual solid purity P = Ms / (Ms+Ml); After obtaining all the necessary measurement data, we can calculate the remaining liquid mass Ml and the remaining solid mass Ms based on the density ρh of the mixed liquid itself, the mass and flow rate Vs of the output liquid (and its density ρc), and the mass of the input mixed liquid (calculated by the input flow rate Ve and the time difference Te-Ts). Then, we can get the purity P of the solid in the corresponding drum sleeve. This calculation process takes into account the mass conservation of the liquid and solid components in the mixed liquid, as well as the mass and density of the output liquid, ensuring the accuracy and reliability of the calculation results.

[0111] T6, record the drums whose purity is lower than the threshold, turn off the centrifuge and clean all the drums, and execute steps S1-S9, wherein the diverter plate in S1 skips the recorded drums to distribute the mixed liquid.

[0112] After calculating the solid purity of each drum set, we need to record the drums whose purity is lower than the preset threshold. These drums may have reduced separation efficiency due to wear, blockage or improper operation. Subsequently, the centrifuge is shut down and all drums are thoroughly cleaned to remove the residual solid-liquid mixture to ensure the accuracy and efficiency of the next separation process. Appropriate cleaning agents and tools should be used during the cleaning process to avoid damage to the drum.

[0113] After performing the cleaning, re-execute steps S1 to S9, but when operating the splitter in S1, skip the drums that were previously recorded as having purity below the threshold. These drums did not perform well in the previous separation process, and continued use may result in poor separation results. By skipping these drums, we can improve the overall separation efficiency and solid purity, ensuring the efficiency and accuracy of the centrifugation process.

[0114] On the basis of the above embodiment, it also includes a cleaning step: U1, configure the diverter plate to a full distribution mode, in which the diverter plate distributes the input liquid to each drum simultaneously, and the diverter plate includes a plurality of guide tubes.

[0115] Before cleaning, you first need to configure the manifold to full distribution mode. In this mode, multiple guide tubes on the manifold will work simultaneously to evenly distribute the input cleaning liquid to each drum. This design ensures that each drum can be fully cleaned and avoids residual problems caused by uneven cleaning. The configuration of the full distribution mode is usually achieved by adjusting the control valve on the manifold or changing the connection method of the guide tube. Before starting the cleaning procedure, you must ensure that all drums and guide tubes are in a smooth state. Any blockage or obstruction may affect the flow and distribution of the cleaning liquid, thereby reducing the cleaning effect. Therefore, after configuring the manifold, the system should be fully checked to confirm that there is no blockage before proceeding to the next step.

[0116] U2, start the centrifuge and inject the cleaning solution at the maximum flow rate, and adjust the shaft speed gradually from the maximum positive value to the maximum negative value.

[0117] Next, start the centrifuge and start injecting the cleaning liquid. In order to obtain the best cleaning effect, the cleaning liquid should be injected at the maximum flow rate, and the rotation speed of the shaft should be adjusted so that it gradually changes from the maximum positive value to the maximum negative value. Such a speed change can generate a strong scouring force and effectively remove the residues on the inner wall of the bowl and the guide tube.

[0118] U3, obtains the flow rate and mass of the output waste liquid during the gradual change of the shaft speed, and obtains the density of the waste liquid.

[0119] During the gradual change of the shaft speed, the flow rate and quality of the output waste liquid need to be monitored in real time. Through these two parameters, we can calculate the density of the waste liquid. The change in the density of the waste liquid can reflect the removal of residues during the cleaning process and provide a basis for the subsequent adjustment of the cleaning strategy.

[0120] U4, determine the time point T0 when the waste liquid density is the highest.

[0121] In the process of monitoring the waste liquid density, we need to find the time point T0 when the waste liquid density is the highest. This time point usually corresponds to the moment when a large amount of residue is washed down during the cleaning process, and is a key indicator for evaluating the cleaning effect.

[0122] U5, obtaining the high-efficiency cleaning rotation speed change value segment of the shaft within the time period from T0-△T to T0+△T, wherein △T is the value of the preset time period.

[0123] After determining T0, we need to further analyze the change in shaft speed during the time period from T0-△T to T0+△T. In this time period, find the speed change value segment that can produce the best cleaning effect, that is, the high-efficiency cleaning speed change value segment. This value segment will serve as the basis for speed adjustment in the subsequent cleaning process.

[0124] U6, repeatedly changing the speed according to the high-efficiency cleaning speed change value segment.

[0125] Finally, according to the high-efficiency cleaning speed change value segment found, the speed of the shaft is repeatedly adjusted for cleaning. This operation can ensure that each drum can be fully cleaned, while avoiding equipment wear and increased energy consumption caused by excessive cleaning. By repeatedly changing the speed, we can achieve the best cleaning effect and prepare for the next centrifugal separation process.

[0126] Furthermore, the drum is a detachable link, and after step S4, the method further includes: S401, calculating the radius of the corresponding drum sleeve according to the optimal centrifugal force and the required speed of supplying the mixed liquid and / or the required speed of separation.

[0127] After step S4 (assuming that S4 is a previous step related to the configuration of the drum, such as determining the separation conditions), we need to calculate the radius of the corresponding drum sleeve according to the optimal centrifugal force and the required mixed liquid supply speed and / or the required separation speed. The key to this step is to understand the relationship between the centrifugal force and the drum radius, the mixed liquid supply speed and the separation speed.

[0128] Optimum centrifugal force: Centrifugal force is one of the key factors that determine the separation effect. It depends on the rotation speed and radius of the bowl. By adjusting the rotation speed and radius, we can obtain the required centrifugal force to meet specific separation requirements.

[0129] Mixed liquid supply speed: The mixed liquid supply speed affects the continuity and efficiency of the separation process. Too fast a supply speed may lead to insufficient separation, while too slow a supply speed may reduce production efficiency.

[0130] Separation rate: Separation rate refers to the speed at which solid particles are separated from the mixed liquid. It depends on many factors, including the physical properties of the mixed liquid, the design of the drum and the operating conditions.

[0131] By comprehensively considering these factors, we can calculate the radius of the drum sleeve that meets the requirements of optimal centrifugal force, mixed liquid supply speed and separation speed.

[0132] S402, determining whether a drum already exists at the drum sleeve position on the radius, and if not, installing the corresponding required drum sleeve.

[0133] After determining the radius of the drum sleeve, we need to determine whether there is already a drum at this radius. If not, install the corresponding drum sleeve. This step ensures that the configuration of the drum meets the current separation requirements.

[0134] Determine the location: By checking the installation position of the drum, we can determine whether a new drum sleeve needs to be installed. This may require the use of specific tools or equipment to detect the presence and location of the drum.

[0135] Installation Requirements: Once it is determined that a new drum sleeve needs to be installed, we can install it according to the predetermined specifications and procedures. This includes fixing the drum sleeve in the correct position and ensuring it is tightly connected to the rest of the equipment.

[0136] Step S402, disassembling the drum sleeve except the required drum sleeve position.

[0137] In addition to installing the required drum sleeve, we also need to disassemble the drum sleeve except the required drum sleeve position. This step is to ensure the cleanliness and efficient operation of the equipment.

[0138] Removal of non-required drum sleeves: By removing unnecessary drum sleeves, we can reduce the weight and complexity of the equipment, improve the flexibility and maintainability of the equipment. This also helps to reduce potential failure points and cleaning difficulties.

[0139] Cleaning and Maintenance: After removing the non-demand drum sleeve, we can perform a thorough cleaning and maintenance of the equipment. This includes removing residual mixed liquid and solid particles, inspecting the equipment for wear, and making necessary repairs or replacements.

[0140] The embodiment of the present invention further provides a centrifuge, which includes: n sets of drum sleeves, used to close the screen holes of every n drums starting from the nth one from the inside to the outside; A flow divider plate, which is used to be set in an even distribution mode, wherein the even distribution mode can evenly distribute the mixed liquid to every n drums starting from the first one, and the even distribution mode includes a spiral baffle plate with a shortened radius; A rotating shaft is used to set n sets of rotating drum sleeves, and rotate according to the median value of the rotation speed, and the median value of the rotation speed is and obtains the mixed liquid parameter, which is estimated; The splitter plate is also used to evenly distribute the mixed liquid into each set of rotating drums; The n sets of drum sets include the best drum sets with the best separation effect in centrifugal separation, and the judgment parameters of the separation effect include the obtained purity, the time required for separation, and the single separation quality; The n sets of drum sleeves also include drum sleeves that meet the required mixed liquid supply speed and / or required separation speed, which are obtained by calculating the optimal centrifugal force for mixed liquid separation based on the position of the optimal drum sleeve and the median value of the rotation speed, and obtaining the required mixed liquid supply speed and / or required separation speed, and calculating the radius of the energy-saving drum; The diverter plate is also used for a designated mode, wherein the designated mode includes a guide plate that guides the fixed drum sleeve; The rotating shaft is also used to rotate according to the optimal rotation speed and separate the mixed liquid.

[0141] At least n times of n sets of drums have sieve holes and the sieve holes can be closed. By opening and closing the sieve holes, the inside of the centrifuge is divided into different levels of different sets of drum sets; The drum is a detachable link, which can calculate the radius of the corresponding drum sleeve according to the optimal centrifugal force and the required speed of supplying the mixed liquid and / or the required speed of separation; and remove the drum sleeve except the required drum sleeve position. In the n-drum system, each drum contains at least n-fold drum units with sieve holes. These sieve holes have a closing function, which allows the opening and closing of the sieve holes to flexibly divide the internal space of the centrifuge into different levels and different sets of drum combinations. This design not only enhances the versatility of the centrifuge, but also enables it to be customized according to the needs of different separation tasks.

[0142] The drum units are detachably connected, which gives the centrifuge a high degree of flexibility and reconfigurability. In actual operation, we can accurately calculate the radius of the drum sleeve according to the required optimal centrifugal force and the speed of the required mixed liquid supply or the required separation speed. This calculation process takes into account a variety of factors, including but not limited to separation efficiency, energy consumption and equipment life.

[0143] Once the required drum sleeve position is determined, the other drum sleeves except for that position can be easily removed. This step not only simplifies the operation process, but also significantly improves the adaptability and response speed of the centrifuge. By quickly adjusting the drum configuration, the centrifuge can quickly adapt to different separation tasks, thereby meeting the needs of different industries and application fields for efficient and precise separation technology.

[0144] It should be noted that the technical solution of the method embodiment can also be applied to the system embodiment, and in order to save space, it will not be repeated here.

[0145] It should be understood by those skilled in the art that the embodiments of the present invention may be provided as methods, systems, or computer program products. Therefore, the method embodiments of the present invention may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) containing computer-usable program codes.

[0146] The present invention is described with reference to flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present invention. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0147] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A method for controlling the operating state of a centrifuge, characterized in that: The centrifuge comprises n sets of drum sleeves sleeved on a rotating shaft, and the control method thereof comprises: S1, closing the sieve holes of every n drums starting from the nth one from the inside to the outside, setting the flow divider to an even distribution mode, wherein the even distribution mode can evenly distribute the mixed liquid to every n drums starting from the first one, and the even distribution mode includes a spiral baffle with a shortened radius; S2, obtaining a mixed liquid parameter, estimating a median rotation speed, and driving the rotating shaft to rotate according to the median rotation speed; S3, start to transport n portions of the mixed liquid to the diverter plate, so that the diverter plate evenly distributes the mixed liquid to each set of drums; S4, after completing the separation of n portions of the mixed liquid, determining a set of drums with the best separation effect among the centrifugal separation of each set of drums, wherein the judgment parameters of the separation effect include the obtained purity, the time required for separation, and the single separation quality; S5, calculating the optimal centrifugal force for mixed liquid separation according to the position of the optimal drum sleeve and the median value of the rotation speed; S6, obtaining the required speed of supplying the mixed liquid and / or the required speed of separation, calculating the radius of the energy-saving drum, and obtaining the corresponding energy-saving drum sleeve, a drum sleeve that meets the required speed of supplying the mixed liquid and / or the required speed of separation, including a drum sleeve that receives and separates a fixed amount of mixed liquid within a set time; S7, configuring an optimal rotation speed of the rotating shaft according to the position of the drum sleeve and the optimal centrifugal force; S8, setting the diverter plate to a designated mode, wherein the designated mode includes a guide plate that guides the fixed drum sleeve; S9, driving the rotating shaft to rotate at the optimal rotation speed and separating the mixed liquid.

2. The centrifuge operating state control method according to claim 1, characterized in that: At least n times of the n sets of drums have sieve holes, and the sieve holes can be closed. By opening and closing the sieve holes, the inside of the centrifuge is divided into different levels of different sets of drum sets.

3. The centrifuge operating state control method according to claim 1, characterized in that: The optimal centrifugal force calculation formula is: F = (v1ρ1-v2*ρ2)*ω²*r; Wherein v1 is the mixed liquid supply volume per unit time, ρ1 is the mixed liquid density, V2 is the output volume of one output liquid per unit time, ρ2 is the density of the output liquid, w is the shaft speed, and r is the radius of the position of the optimal drum sleeve.

4. The centrifuge operating state control method according to claim 3, characterized in that: Calculation of the radius of the energy-saving drum includes: S601, obtaining a flow rate T1 of a required supply of a mixed liquid and / or obtaining a flow rate T2 of a required separation; S602, according to T1 and / or T2, confirming a drum set that can accommodate and separate a quantitative mixed liquid v within a set time; S603, obtaining the radius R of the drum sleeve and calculating the shaft speed w: W=F / (V*ρ1*w); It also includes that the n sets of drums are all provided with sieve holes, and the sieve holes can be closed. S604, according to the radius R of the drum sleeve, opening and closing the drums near the radius R, so that these drums form a new set of drum sleeves.

5. The centrifuge operating state control method according to claim 1, characterized in that: When the separation speed is required to be maximum, S6-S9 are: S701, calculating a selectable rotation speed of a rotating shaft corresponding to each drum according to the optimal centrifugal force; S702, setting the splitter plate to an equal distribution mode, rotating the shaft at a maximum speed among the selected speeds to separate the mixed liquid.

6. The method for controlling the operating state of a centrifuge according to claim 1, wherein: The mixed liquid is a mixture of solid and liquid, and before step S1, it also includes: T1, determine the density of the mixed field ρh, the solid density ρs; T2, at time Ts, the mixed liquid is input into each set of drums, and solid-liquid separation is performed by a centrifuge at the median speed, and the separation is completed at time Te; T3, measure the flow rate Vs, i.e. density ρc, of the output liquid from each drum sleeve from the start of mixed liquid input to the end of separation; T2, measure the input flow rate Ve of the input mixed liquid of each drum sleeve; T3, according to the density of the mixture itself, the mass of the output liquid and the mass of the mixed liquid, the purity of the solid in the corresponding drum set is obtained: Among them, the remaining liquid mass is Ml={ [Ve*(Te-Ts)*ρh-Vs*(Te-Ts)*ρc] / (ρc-ρs)- Vs*(Te-Ts)*ρc}* ρc The remaining solid mass is Ms = Ve*(Te-Ts)*ρh-[Ve*(Te-Ts)*ρh-Vs*(Te-Ts)*ρc] / (ρc-ρs) Residual solid purity P = Ms / (Ms+Ml); T5, record the drums whose purity is lower than the threshold, turn off the centrifuge and clean all the drums, and execute steps S1-S9, wherein the diverter plate in S1 skips the recorded drums to distribute the mixed liquid.

7. The method for controlling the operating state of a centrifuge according to claim 6, wherein: It also Cleaning steps include: U1, configure the manifold to a full distribution mode, wherein the manifold distributes the input liquid to each drum simultaneously, and the manifold includes a plurality of guide tubes; U2, start the centrifuge and inject the cleaning solution at the maximum flow rate, and adjust the shaft speed gradually from the maximum positive value to the maximum negative value; U3, obtains the flow rate and mass of the output waste liquid during the gradual change of the shaft speed, and obtains the density of the waste liquid; U4, determine the time point T0 when the waste liquid density is the highest; U5, obtaining the high-efficiency cleaning speed change value segment of the shaft within the time period from T0-△T to T0+△T, where △T is the value of the preset time period; U6, repeatedly changing the speed according to the high-efficiency cleaning speed change value segment.

8. The centrifuge operating state control method according to claim 1, characterized in that: The rotating drum is a detachable link, and after step S4, the method further includes: S401, calculating the radius of the corresponding drum sleeve according to the optimal centrifugal force and the required speed of supplying the mixed liquid and / or the required speed of separation; S402, determining whether a drum already exists at the drum sleeve position on the radius, and if not, installing the corresponding required drum sleeve; Step S402, disassembling the drum sleeve except the required drum sleeve position.

9. A centrifuge, characterized in that: It includes: n sets of drum sleeves, used to close the screen holes of every n drums starting from the nth one from the inside to the outside; A flow divider plate, which is used to be set in an even distribution mode, wherein the even distribution mode can evenly distribute the mixed liquid to every n drums starting from the first one, and the even distribution mode includes a spiral baffle plate with a shortened radius; A rotating shaft is used to set n sets of drum sleeves, and rotate according to a median speed value, wherein the median speed value is and obtains the mixed liquid parameter, and estimates it; The splitter plate is also used to evenly distribute the mixed liquid into each set of rotating drums; The n sets of drum sets include the best drum sets with the best separation effect in centrifugal separation, and the judgment parameters of the separation effect include the obtained purity, the time required for separation, and the single separation quality; The n sets of drum sleeves also include drum sleeves that meet the required mixed liquid supply speed and / or required separation speed, which are obtained by calculating the optimal centrifugal force for mixed liquid separation based on the position of the optimal drum sleeve and the median value of the rotation speed, and obtaining the required mixed liquid supply speed and / or required separation speed, and calculating the radius of the energy-saving drum; The diverter plate is also used for a designated mode, wherein the designated mode includes a guide plate that guides the fixed drum sleeve; The rotating shaft is also used to rotate according to the optimal rotation speed and separate the mixed liquid.

10. The centrifuge according to claim 9, characterized in that At least n times of the n sets of drums have sieve holes, and the sieve holes can be closed. By opening and closing the sieve holes, the inside of the centrifuge is divided into different levels of different sets of drum sets; The drum is a detachable link, and the radius of the corresponding drum sleeve can be calculated according to the optimal centrifugal force and the required speed of supplying the mixed liquid and / or the required speed of separation; and the drum sleeve except the required drum sleeve position can be disassembled.

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