Temperature controlled micro-liquid viscosity adjustment method and apparatus

Abstract

The application relates to a temperature control-based micro-liquid viscosity adjusting method and device, and relates to the technical field of feed processing, which comprises the following steps: obtaining feed spraying requirements and a liquid heat tolerance upper limit; analyzing the feed spraying requirements to determine a liquid target viscosity and a liquid heating temperature; judging whether the liquid heating temperature is greater than the liquid heat tolerance upper limit; if not, controlling a preset temperature rising device to heat a preset current micro-liquid according to the liquid heating temperature to control the viscosity of the micro-liquid; and if yes, analyzing the feed spraying requirements and the liquid target viscosity to control the viscosity of the current micro-liquid. The application has the effect of improving the uniformity of micro-liquid spraying.

Description

A method and apparatus for adjusting the viscosity of micro-liquids based on temperature control Technical Field

[0001] This application relates to the technical field of feed processing, and in particular to a method and apparatus for adjusting the viscosity of micro-liquids based on temperature control. Background Technology

[0002] Micro-liquid viscosity control refers to the process of reducing the viscosity of the micro-liquid to be sprayed by heating during the micro-liquid spraying process of feed, so that the micro-liquid can evenly cover the feed.

[0003] In related technologies, when heating a trace amount of liquid to reduce its viscosity, the upper limit of the heat resistance temperature of all liquids to be sprayed is first analyzed. A certain redundancy is set based on the minimum upper limit of the heat resistance temperature to determine the overall heating temperature. After determining the overall heating temperature, the heating device is controlled by PID method to heat all trace amounts of liquid to the overall heating temperature.

[0004] Regarding the aforementioned technologies, when setting a uniform overall heating temperature to heat all trace liquids, a mismatch may occur between the heating temperature and viscosity of the trace liquids, resulting in poor uniformity of the trace liquid spraying. There is still room for improvement. Summary of the Invention

[0005] To improve the uniformity of micro-liquid spraying, this application provides a method and apparatus for adjusting the viscosity of micro-liquids based on temperature control.

[0006] In a first aspect, this application provides a method for adjusting the viscosity of micro-liquids based on temperature control, employing the following technical solution:

[0007] Temperature-controlled methods for adjusting the viscosity of micro-liquids include:

[0008] Obtain feed spraying requirements and liquid heat resistance limits;

[0009] The feed spraying requirements were analyzed to determine the target viscosity and heating temperature of the liquid.

[0010] Determine whether the liquid heating temperature exceeds the liquid's heat resistance limit;

[0011] If the temperature is not greater than the set temperature, the preset heating device is controlled to heat the current trace amount of liquid according to the liquid heating temperature in order to control the viscosity of the trace amount of liquid.

[0012] If the viscosity is greater than the target viscosity, the feed spraying requirements and the target viscosity of the liquid will be analyzed to control the viscosity of the current trace liquid.

[0013] Optionally, the steps of analyzing feed spraying requirements to determine the target liquid viscosity and liquid heating temperature include:

[0014] Obtain feed pellet size;

[0015] Calculate the product of the preset size matching coefficient and the feed particle size to determine the liquid droplet size;

[0016] Obtain the nozzle spray pressure and nozzle spray diameter;

[0017] Input the liquid droplet size, nozzle injection pressure, nozzle injection diameter, and preset density matching coefficient into the preset liquid viscosity model to determine the target liquid viscosity;

[0018] Get the current ambient temperature;

[0019] The current ambient temperature, feed spraying requirements, and target liquid viscosity are analyzed to determine the liquid heating temperature.

[0020] Optionally, the steps of analyzing the current ambient temperature, feed spraying requirements, and target liquid viscosity to determine the liquid heating temperature include:

[0021] Calculate the difference between the current ambient temperature and the preset reference ambient temperature to determine the reference temperature difference;

[0022] Data on feed spraying requirements are extracted to determine the liquid spraying flow rate.

[0023] Input the liquid spraying flow rate, reference temperature difference, and preset temperature loss coefficient into the preset temperature loss model to determine the amount of heat loss attenuation;

[0024] The reference heating temperature is determined by searching a preset viscosity fitting curve based on the target viscosity of the liquid.

[0025] The sum of the baseline heating temperature and the heat loss attenuation is calculated to determine the liquid heating temperature.

[0026] Optionally, the steps of analyzing feed spraying requirements and target liquid viscosity to control the viscosity of the current trace liquid include:

[0027] Obtain the viscosity of the liquid to be mixed and the viscosity of the liquid to be diluted;

[0028] Determine whether the viscosity of the liquid to be mixed is less than the viscosity of the liquid to be diluted;

[0029] If the viscosity is not less than the required value, the liquid to be mixed will be discarded.

[0030] If it is less than, then the viscosity of the liquid to be mixed is determined as the selectable liquid viscosity;

[0031] The preset trace liquid corresponding to the selectable liquid viscosity is determined as the selectable trace liquid;

[0032] The viscosity of the selectable trace liquid, the viscosity of the selectable liquid, the feed spraying requirements, and the target viscosity of the liquid are analyzed to control the viscosity of the current trace liquid.

[0033] Optionally, the steps of analyzing the selectable trace liquid, the selectable liquid viscosity, feed spraying requirements, and the target viscosity of the liquid to control the viscosity of the current trace liquid include:

[0034] The viscosity of the optional liquid, the optional trace liquid, and the requirements for feed spraying were analyzed to determine the proportion of liquid to be mixed, the proportion of liquid to be diluted, and the viscosity of the mixed liquid.

[0035] Obtain the activation energy to be diluted and the activation energy to be mixed;

[0036] Calculate the weighted sum of the proportions of the liquid to be diluted and the proportions of the mixed liquid with the activation energies of the liquid to be diluted and the liquid to be mixed, in order to determine the activation energy of the mixed liquid;

[0037] Get the current operating temperature;

[0038] Input the activation energy of the mixed liquid, the current operating temperature, the preset gas constant, the target viscosity of the liquid, and the viscosity of the mixed liquid into the preset viscosity-temperature model to determine the target heating temperature;

[0039] The viscosity of the current trace liquid is controlled by analyzing the selectable trace liquid, the proportion of liquid to be mixed, the proportion of liquid to be diluted, and the target heating temperature.

[0040] Optionally, the steps of analyzing the optional liquid viscosity, optional trace liquid, and feed spraying requirements to determine the proportion of liquid to be mixed, the proportion of liquid to be diluted, and the viscosity of the mixed liquid include:

[0041] Data on feed spraying requirements based on selectable trace liquids is extracted to determine the unit spraying volume to be mixed and the unit spraying volume to be diluted.

[0042] Calculate the sum of the unit spray amount to be mixed and the unit spray amount to be diluted to determine the total unit spray amount;

[0043] Calculate the ratio of the unit spray amount to be mixed and the current unit spray amount to the total unit spray amount to determine the ratio of liquid to be mixed and liquid to be diluted.

[0044] Obtain the current viscosity of a trace amount of liquid;

[0045] Input the current viscosity of the trace liquid, the viscosity of the liquid to be mixed, the proportion of the liquid to be mixed, the proportion of the liquid to be diluted, and the preset intermolecular interaction coefficient into the preset viscosity prediction model to determine the viscosity of the mixed liquid.

[0046] Optionally, the steps of analyzing the selectable trace liquid, the proportion of liquid to be mixed, the proportion of liquid to be diluted, and the target heating temperature to control the viscosity of the current trace liquid include:

[0047] Get the upper limit of the heating temperature;

[0048] The target heating temperature is filtered based on the upper limit of the heating temperature to determine the available heating temperature;

[0049] Data analysis is performed on the selectable heating temperatures to determine the minimum heating temperature;

[0050] The minimum heating temperature corresponds to the selectable trace liquid, the proportion of liquid to be mixed, and the proportion of liquid to be diluted, which are then determined as the final mixed liquid, the final mixing ratio, and the final dilution ratio.

[0051] The current trace liquid and the liquid to be mixed are mixed according to the final mixing ratio and the final dilution ratio, and the heating device is controlled to heat the mixed liquid according to the minimum heating temperature in order to control the viscosity of the current trace liquid.

[0052] Secondly, this application provides a temperature-controlled micro-liquid viscosity adjustment device, which adopts the following technical solution:

[0053] A temperature-controlled micro-liquid viscosity adjustment device includes:

[0054] The acquisition module is used to obtain feed spraying requirements and liquid heat resistance limits;

[0055] A memory for storing a program for a temperature-controlled micro-liquid viscosity adjustment method as described in any of the preceding claims;

[0056] The processor and the program in the memory can be loaded and executed by the processor to implement the temperature-controlled micro-liquid viscosity adjustment method as described in any of the above.

[0057] In summary, this application includes at least one of the following beneficial technical effects:

[0058] 1. By analyzing the feed spraying requirements, the target viscosity of the liquid that matches the feed spraying requirements and the liquid heating temperature required to make the viscosity of the trace liquid reach the target viscosity are determined. When the liquid heating temperature is not greater than the upper limit of the liquid's heat resistance, the heating device is controlled to heat the current trace liquid according to the liquid heating temperature. When the liquid heating temperature is greater than the upper limit of the liquid's heat resistance, it indicates that the current trace liquid cannot be directly heated to the liquid heating temperature. Therefore, the feed spraying requirements and the target viscosity of the liquid are analyzed to control the viscosity of the current trace liquid. In this way, the viscosity of the trace liquid is adjusted according to the upper limit of the liquid's heat resistance and the feed spraying requirements to improve the uniformity of feed trace liquid spraying.

[0059] 2. By calculating the difference between the ambient temperature and the reference ambient temperature, the reference temperature difference is determined. Then, data on the feed spraying requirements are extracted to determine the liquid spraying flow rate. After determining the liquid spraying flow rate, the heat loss attenuation is determined based on the temperature loss model. Then, based on the target viscosity of the liquid, the reference heating temperature is determined by searching in the viscosity fitting curve. Finally, the reference heating temperature is added to the heat loss attenuation to determine the liquid heating temperature. Thus, the heat loss is determined based on the ambient temperature to obtain the final liquid heating temperature, thereby improving the temperature control accuracy.

[0060] 3. After filtering the target heating temperature by the upper limit of the heating temperature and determining the selectable heating temperatures, data is extracted from the selectable heating temperatures to determine the minimum heating temperature among the selectable heating temperatures. Then, the selectable trace liquid, the proportion of liquid to be mixed, and the proportion of liquid to be diluted corresponding to the minimum heating temperature are determined as the final mixed liquid, the final mixing ratio, and the final dilution ratio. Finally, the current trace liquid and the liquid to be mixed are mixed according to the final mixing ratio and the final dilution ratio, and the heating device is controlled to heat the mixed liquid according to the minimum heating temperature to control the viscosity of the current trace liquid. This introduces a trace liquid with a lower viscosity than the current trace liquid to dilute the current trace liquid, thereby reducing the heating temperature. The trace liquid corresponding to the minimum heating temperature is selected as the trace liquid for dilution, thereby reducing the energy consumption of the equipment. Attached Figure Description

[0061] Figure 1 is a flowchart of a micro-liquid viscosity adjustment method based on temperature control in an embodiment of this application.

[0062] Figure 2 is a flowchart illustrating the analysis of feed spraying requirements in an embodiment of this application to determine the target viscosity of the liquid and the liquid heating temperature.

[0063] Figure 3 is a flowchart illustrating the analysis of current ambient temperature, feed spraying requirements, and target liquid viscosity in an embodiment of this application to determine the liquid heating temperature.

[0064] Figure 4 is a flowchart illustrating the analysis of feed spraying requirements and target liquid viscosity in an embodiment of this application to control the viscosity of the current trace liquid.

[0065] Figure 5 is a flowchart illustrating the analysis of optional trace liquid, optional liquid viscosity, feed spraying requirements, and target liquid viscosity in an embodiment of this application to control the viscosity of the current trace liquid.

[0066] Figure 6 is a flowchart illustrating the analysis of optional liquid viscosity, optional trace liquid, and feed spraying requirements in an embodiment of this application to determine the proportion of liquid to be mixed, the proportion of liquid to be diluted, and the viscosity of the mixed liquid.

[0067] Figure 7 is a flowchart illustrating the analysis of selectable trace liquid, the proportion of liquid to be mixed, the proportion of liquid to be diluted, and the target heating temperature in an embodiment of this application to control the viscosity of the current trace liquid. Detailed Implementation

[0068] To make the objectives, technical solutions, and advantages of this application clearer, the application will be further described in detail below with reference to Figures 1 to 7 and embodiments. It should be understood that the specific embodiments described herein are only for explaining this application and are not intended to limit this application.

[0069] This application discloses a method and apparatus for adjusting the viscosity of trace liquids based on temperature control. Specifically, it discloses a processing terminal and a heating device. The processing terminal and the heating device are communicatively connected to achieve information interaction and control. The processing terminal obtains the feed spraying requirements and the upper limit of the liquid's heat resistance. The feed spraying requirements are analyzed to determine the target viscosity of the liquid that matches the feed spraying requirements and the liquid heating temperature required to make the trace liquid viscosity reach the target viscosity. When the liquid heating temperature is not greater than the upper limit of the liquid's heat resistance, the heating device is controlled to heat the current trace liquid according to the liquid heating temperature. When the liquid heating temperature is greater than the upper limit of the liquid's heat resistance, it indicates that the current trace liquid cannot be directly heated to the liquid heating temperature. Therefore, the feed spraying requirements and the target viscosity of the liquid are analyzed to control the current viscosity of the trace liquid. Thus, the viscosity of the trace liquid is adjusted according to the upper limit of the liquid's heat resistance and the feed spraying requirements to improve the uniformity of the feed trace liquid spraying.

[0070] Referring to Figure 1, this application discloses a method for adjusting the viscosity of a trace liquid based on temperature control, comprising the following steps:

[0071] Step S100: Obtain feed spraying requirements and liquid heat resistance limits.

[0072] Among them, feed spraying requirements refer to the unit spraying volume of each trace liquid when spraying feed with trace liquids. The processing terminal first retrieves the feed processing requirements stored in the system to determine the amount of each trace liquid to add, and then determines the amount of trace liquid to add based on the amount of trace liquid to add and the unit flow rate of the feed.

[0073] The upper limit of liquid heat resistance refers to the upper limit temperature of the current trace liquid addition amount, which is determined by the processing terminal by looking up the trace liquid properties stored in the system according to the current trace liquid category.

[0074] Step S101: Analyze the feed spraying requirements to determine the target viscosity of the liquid and the liquid heating temperature.

[0075] The target viscosity of the liquid refers to the viscosity required to uniformly spray a trace amount of liquid onto the feed pellets according to the feed spraying requirements. The liquid heating temperature refers to the heating temperature required to adjust the viscosity of the trace amount of liquid to the target viscosity. Both are determined by the processing terminal through analysis of the feed spraying requirements, and the specific analysis steps are shown in Figure 2.

[0076] Step S102: Determine whether the liquid heating temperature is greater than the upper limit of the liquid's heat resistance.

[0077] The system determines whether the liquid heating temperature exceeds the liquid's heat resistance limit by processing the terminal, thereby determining whether the current trace liquid can be directly heated to the liquid heating temperature, thus improving the uniformity of feed trace liquid spraying.

[0078] Step S1021: If it is not greater than, then control the preset heating device to heat the preset current trace liquid according to the liquid heating temperature, so as to control the viscosity of the trace liquid.

[0079] If the processing terminal determines that the liquid heating temperature is not greater than the liquid's heat resistance limit, it means that the current trace amount of liquid can be directly heated to the liquid heating temperature. Therefore, the heating device is controlled to heat the current trace amount of liquid to the liquid heating temperature using PID control to control the viscosity of the liquid.

[0080] A heating device is a heating device installed on a micro-liquid storage device and a micro-liquid delivery pipeline to heat the micro-liquid to a target temperature.

[0081] The current trace liquid refers to the viscous trace liquid to be heated, such as oils or active enzymes. The operator arranges the viscous trace liquids in descending order according to their viscosity and determines them as the current trace liquids. The heating temperature of the corresponding viscous trace liquid is then determined according to the viscosity. When the heating temperature of the liquid exceeds the upper limit of the liquid's heat resistance, a viscous trace liquid with a lower viscosity or a non-viscous trace liquid is selected to dilute the current trace liquid, thereby improving the uniformity of the feed trace liquid spraying.

[0082] Step S1022: If it is greater than, analyze the feed spraying requirements and the target viscosity of the liquid to control the viscosity of the current trace liquid.

[0083] If the processing terminal determines that the liquid heating temperature is greater than the liquid temperature rise, it indicates that a low-viscosity trace amount of liquid to be sprayed needs to be introduced to reduce the current trace amount of liquid viscosity. Therefore, the feed spraying requirements and the target viscosity of the liquid are analyzed to control the current trace amount of liquid viscosity. The specific analysis steps are shown in Figure 4.

[0084] Referring to Figure 2, the steps for analyzing feed spraying requirements to determine the target liquid viscosity and liquid heating temperature include:

[0085] Step S200: Obtain feed pellet size.

[0086] Among them, feed pellet size refers to the size of feed pellets. The average size of feed pellets is determined by the processing terminal through analysis of feed pellet size.

[0087] Step S201: Calculate the product of the preset size matching coefficient and the feed particle size to determine the liquid droplet size.

[0088] The size matching coefficient refers to the matching coefficient between the size of the micro-liquid droplets and the size of the feed particles. It is determined by the operator through micro-liquid spraying experiments with different droplet sizes to find the droplet size corresponding to the best spraying effect. The ratio between the size of the micro-liquid droplets and the size of the feed particles is then calculated, which is the size matching coefficient.

[0089] Liquid droplet size refers to the optimal droplet size for a small amount of liquid to be ejected from a nozzle. It is determined by the processing terminal by calculating the product between the size matching coefficient and the feed particle size.

[0090] Step S202: Obtain the nozzle spray pressure and nozzle spray diameter.

[0091] Among them, the nozzle spray pressure refers to the spray pressure of the nozzle in the micro-liquid spraying device, which is determined by the processing terminal by retrieving the spraying parameters of the micro-liquid spraying device.

[0092] Nozzle spray diameter refers to the diameter of the nozzle in a micro-liquid spraying device, which is determined by the processing terminal by retrieving the design parameters of the micro-liquid spraying device.

[0093] Step S203: Input the liquid droplet size, nozzle spray pressure, nozzle spray diameter and preset density matching coefficient into the preset liquid viscosity model to determine the target viscosity of the liquid.

[0094] The density matching coefficient is a matching coefficient used to match different micro-liquid densities. It is used to calibrate the corresponding deviation between the micro-liquid density and the spraying parameters and is determined by the operator based on the ratio between the micro-liquid density and the industry standard liquid density.

[0095] A liquid viscosity model is a formulaic model based on the atomization principle of pressure spraying, which inversely calculates the viscosity of the target liquid based on the size of the target liquid droplets and the nozzle spraying parameters. The specific model formula is as follows:

[0096] .

[0097] In the formula, The target viscosity of the liquid. For liquid droplet size, The nozzle spray pressure, The nozzle spray diameter, is the density matching coefficient.

[0098] The target viscosity of the liquid is consistent with the target viscosity of the liquid in step S101, and is determined by the processing terminal by inputting the liquid droplet size, nozzle spray pressure, nozzle spray diameter and density matching coefficient into the liquid viscosity model.

[0099] Step S204: Obtain the current ambient temperature.

[0100] Among them, the current environment and temperature refer to the temperature of the current environment, which is determined by the processing terminal by directly retrieving the measured data of the temperature sensors deployed in the feed processing plant.

[0101] Step S205: Analyze the current ambient temperature, feed spraying requirements, and target liquid viscosity to determine the liquid heating temperature.

[0102] The liquid heating temperature is the same as the liquid heating temperature in step S101, and is determined by the processing terminal through analysis of the current ambient temperature, feed spraying requirements and liquid target viscosity. The specific analysis steps are shown in Figure 3.

[0103] Referring to Figure 3, the steps to determine the liquid heating temperature include analyzing the current ambient temperature, feed spraying requirements, and target liquid viscosity.

[0104] Step S300: Calculate the difference between the current ambient temperature and the preset reference ambient temperature to determine the reference temperature difference.

[0105] The reference ambient temperature refers to the temperature inside the spraying device when it is running stably under the reference feed processing plant temperature. The temperature is determined by the operator starting the feed spraying device at the reference plant temperature and measuring the temperature inside the device after the device has been running unloaded for a period of time.

[0106] The reference temperature difference refers to the deviation between the current ambient temperature and the reference ambient temperature, which is determined by the processing terminal by calculating the difference between the current ambient temperature and the reference ambient temperature.

[0107] Step S301: Extract data on feed spraying requirements to determine the liquid spraying flow rate.

[0108] Among them, liquid spraying flow rate refers to the unit spraying volume of the current trace liquid, which is determined by the processing terminal based on the current trace liquid in the feed spraying demand.

[0109] Step S302: Input the liquid spraying flow rate, reference temperature difference and preset temperature loss coefficient into the preset temperature loss model to determine the amount of heat loss attenuation.

[0110] Among them, the temperature loss coefficient is a quantitative coefficient of the thermal insulation performance of the spraying equipment. It is used to measure the thermal insulation effect of the spraying equipment and is determined by the operator through evaluation of the thermal insulation performance of the spraying equipment.

[0111] The temperature loss model is a formulaic model that calculates the amount of heat loss based on the heat exchange law, the liquid spraying volume, and the temperature difference with the base. The specific model formula is as follows:

[0112] .

[0113] In the formula, This is the amount of heat loss attenuation. As the reference temperature difference, The temperature loss coefficient is... This represents the liquid spraying flow rate.

[0114] The heat loss attenuation refers to the amount of heat loss generated when heating a small amount of liquid at the current temperature. It is calculated and determined by the processing terminal by inputting the liquid spraying flow rate, the reference temperature difference, and the temperature loss coefficient into the temperature loss model.

[0115] Step S303: Determine the reference heating temperature by searching the preset viscosity fitting curve based on the target viscosity of the liquid.

[0116] Among them, the viscosity fitting curve refers to the fitting curve of the viscosity of the current trace liquid versus temperature. The operator uses the reference ambient temperature as the origin, raises and lowers the reference ambient temperature in fixed steps, and continuously measures the viscosity of the trace liquid. Finally, the temperature and viscosity data are fitted into a curve to determine the viscosity.

[0117] The reference heating temperature refers to the theoretical temperature required to adjust the viscosity of the current trace liquid to the target viscosity when the trace liquid is in a static state, without considering the heat loss during the operation of the spraying device. It is determined by the processing terminal by looking up the viscosity fitting curve based on the target viscosity of the liquid.

[0118] Step S304: Calculate the sum of the reference heating temperature and the heat loss attenuation to determine the liquid heating temperature.

[0119] The liquid heating temperature is consistent with the liquid heating temperature in step S205, and is determined by the processing terminal by calculating the sum of the reference heating temperature and the heat loss attenuation.

[0120] Referring to Figure 4, the steps for analyzing feed spraying requirements and target liquid viscosity to control the viscosity of the current trace liquid include:

[0121] Step S400: Obtain the viscosity of the liquid to be mixed and the viscosity of the liquid to be diluted.

[0122] The viscosity of the liquid to be mixed refers to the viscosity of the micro-liquid to be sprayed that can be mixed with the current micro-liquid after being screened by chemical properties. The processing terminal first retrieves all free micro-liquids to be sprayed with undetermined heating temperatures, analyzes the chemical properties of the free micro-liquids to be sprayed and the current micro-liquid, and determines the free micro-liquids to be sprayed that can be mixed with the current micro-liquid without affecting its chemical properties. The viscosity of the free micro-liquid is then extracted, which is the viscosity of the liquid to be mixed.

[0123] The viscosity of the liquid to be diluted refers to the viscosity of the current trace amount of liquid, which is determined by the processing terminal by directly retrieving the measurement data from the viscosity sensor installed in the current trace amount of liquid storage device.

[0124] Step S401: Determine whether the viscosity of the liquid to be mixed is less than the viscosity of the liquid to be diluted.

[0125] The system determines whether the viscosity of the liquid to be mixed is less than that of the liquid to be diluted by processing the terminal, thereby determining whether the liquid to be mixed can be used to dilute the current trace liquid, thus improving the uniformity of feed trace liquid spraying.

[0126] Step S4011: If the viscosity is not less than the required viscosity, then the liquid to be mixed is discarded.

[0127] If the processing terminal determines that the viscosity of the liquid to be mixed is not less than the viscosity of the liquid to be diluted, it indicates that the trace amount of liquid corresponding to the viscosity of the liquid to be mixed cannot dilute the current trace amount of liquid, and therefore the viscosity of the liquid to be mixed is discarded.

[0128] Step S4012: If it is less than, then the viscosity of the liquid to be mixed is determined as the selectable liquid viscosity.

[0129] If the processing terminal determines that the viscosity of the liquid to be mixed is less than the viscosity of the liquid to be diluted, it indicates that the trace amount of liquid corresponding to the viscosity of the liquid to be mixed can be used to dilute the current trace amount of liquid. Therefore, the viscosity of the liquid to be mixed is determined as the selectable liquid viscosity.

[0130] Selectable liquid viscosity refers to the viscosity of the micro-volume liquid to be sprayed that can be used to dilute the current micro-volume liquid. The processing terminal determines the viscosity of the liquid to be mixed as the selectable liquid viscosity after determining that the viscosity of the liquid to be mixed is less than the viscosity of the liquid to be diluted.

[0131] Step S4013: Determine the preset trace liquid corresponding to the selectable liquid viscosity as the selectable trace liquid.

[0132] Among them, trace liquids refer to trace liquids used for spraying feed, including non-viscous liquids such as flavoring agents and liquid enzymes, and viscous trace liquids such as mineral oil.

[0133] Selectable trace liquids refer to trace liquids to be sprayed that can be used to dilute the current trace liquid. After determining the viscosity of the selectable liquid, the processing terminal determines the preset trace liquid corresponding to the selectable liquid viscosity as the selectable trace liquid.

[0134] Step S4014: Analyze the optional trace liquid, optional liquid viscosity, feed spraying requirements, and target liquid viscosity to control the viscosity of the current trace liquid.

[0135] After determining the optional trace liquid and the optional liquid viscosity, the optional trace liquid, the optional liquid viscosity, the feed spraying requirements, and the target liquid viscosity are analyzed to control the viscosity of the current trace liquid. The specific analysis steps are shown in Figure 5.

[0136] Referring to Figure 5, the steps for controlling the viscosity of the current trace liquid include analyzing the selectable trace liquid, selectable liquid viscosity, feed spraying requirements, and target liquid viscosity.

[0137] Step S500: Analyze the optional liquid viscosity, optional trace liquid, and feed spraying requirements to determine the proportion of liquid to be mixed, the proportion of liquid to be diluted, and the viscosity of the mixed liquid.

[0138] The "to-mix liquid ratio" refers to the proportion of the optional trace liquid when mixing it with the current trace liquid. The "to-dilute liquid ratio" refers to the proportion of the current trace liquid when mixing it with the optional trace liquid. The "mixed liquid viscosity" refers to the viscosity of the mixed liquid after mixing the optional trace liquid and the current trace liquid according to the specified ratio. All three parameters are determined by the processing terminal through analysis of the optional liquid viscosity, the optional trace liquid, and the feed spraying requirements. The specific analysis steps are shown in Figure 6.

[0139] Step S501: Obtain the activation energy to be diluted and the activation energy to be mixed.

[0140] The activation energy to be diluted refers to the activation energy of the current trace liquid, which is determined by the processing terminal by retrieving the activation energy data of the current trace liquid.

[0141] The activation energy to be mixed refers to the activation energy of the selectable trace liquid, which is determined by the processing terminal by retrieving the activation energy data of the selectable trace liquid.

[0142] Step S502: Calculate the weighted sum of the proportion of liquid to be diluted and the proportion of liquid to be mixed with the activation energy to be diluted and the activation energy to be mixed, so as to determine the activation energy of the mixed liquid.

[0143] The activation energy of the mixed liquid refers to the activation energy of the mixed liquid obtained by mixing the selectable trace liquid with the current trace liquid according to the proportion of the liquid to be mixed and the proportion of the liquid to be diluted. It is determined by the processing terminal by calculating the weighted sum of the proportion of the liquid to be diluted and the proportion of the mixed liquid with the activation energy to be diluted and the activation energy to be mixed.

[0144] Step S503: Obtain the current operating temperature.

[0145] The current operating temperature refers to the real-time temperature of the feed processing plant, which is determined by the processing terminal by retrieving measurement data from temperature sensors installed in the feed processing plant.

[0146] Step S504: Input the activation energy of the mixed liquid, the current operating temperature, the preset gas constant, the target viscosity of the liquid, and the viscosity of the mixed liquid into the preset viscosity-temperature model to determine the target heating temperature.

[0147] The gas constant refers to the physical constant value in the ideal gas law, which is 8.314 J / (mol·K). This constant is pre-stored in the system by the operator.

[0148] The viscosity-temperature model is a formulaic model that determines the target heating temperature by simultaneously applying the Arrhenius equation to the viscosity of the liquid mixture at the current temperature and the viscosity of the liquid mixture at the target temperature. The specific model formula is as follows:

[0149] .

[0150] In the formula, To reach the target heating temperature, The gas constant is The activation energy of the mixed liquid, The target viscosity of the liquid. The viscosity of the mixed liquid, This is the current operating temperature.

[0151] The target heating temperature refers to the temperature required to adjust the viscosity of the mixed liquid to the target viscosity of the liquid. It is determined by the processing terminal by inputting the activation energy of the mixed liquid, the current operating temperature, the gas constant, the target viscosity of the liquid, and the viscosity of the mixed liquid into the viscosity-temperature model.

[0152] Step S505: Analyze the selectable trace liquid, the proportion of liquid to be mixed, the proportion of liquid to be diluted, and the target heating temperature to control the viscosity of the current trace liquid.

[0153] After determining the target heating temperature, the selectable trace liquid, the proportion of liquid to be mixed, the proportion of liquid to be diluted, and the target heating temperature are analyzed to control the viscosity of the current trace liquid. The specific analysis steps are shown in Figure 7.

[0154] Referring to Figure 6, the steps for analyzing the optional liquid viscosity, optional trace liquid, and feed spraying requirements to determine the proportion of liquid to be mixed, the proportion of liquid to be diluted, and the viscosity of the mixed liquid include:

[0155] Step S600: Extract data on feed spraying requirements based on optional trace liquids to determine the unit spraying amount to be mixed and the unit spraying amount to be diluted.

[0156] Among them, the unit spraying volume to be mixed refers to the unit spraying volume of the optional trace liquid, which is determined by the processing terminal by extracting data on the unit spraying volume corresponding to the optional trace liquid in the feed spraying requirements.

[0157] The unit spray volume to be diluted refers to the current unit spray volume of trace liquid, which is determined by the processing terminal through data extraction of the unit spray volume data corresponding to the current trace liquid in the feed spraying demand.

[0158] Step S601: Calculate the sum of the unit spray amount to be mixed and the unit spray amount to be diluted to determine the total unit spray amount.

[0159] The unit spray volume refers to the total unit spray volume of the mixed liquid, which is determined by the processing terminal by calculating the sum of the unit spray volume to be mixed and the unit spray volume to be diluted.

[0160] Step S602: Calculate the ratio of the unit spray amount to be mixed and the current unit spray amount to the total unit spray amount, respectively, to determine the ratio of the liquid to be mixed and the ratio of the liquid to be diluted.

[0161] The proportion of liquid to be mixed is consistent with that in step S500, and is determined by the processing terminal by calculating the quotient of the unit spraying amount to be mixed and the total unit spraying amount.

[0162] The ratio of liquid to be diluted is consistent with the ratio of liquid to be diluted in step S500, and is determined by the processing terminal by calculating the quotient of the current unit spraying amount and the total unit spraying amount.

[0163] Step S603: Obtain the current viscosity of the trace liquid.

[0164] The viscosity of the current trace liquid is consistent with the viscosity of the liquid to be diluted in step S400, and is determined by the processing terminal by directly retrieving the viscosity sensor measurement data deployed in the current trace liquid storage device.

[0165] Step S604: Input the current trace liquid viscosity, the viscosity of the liquid to be mixed, the proportion of the liquid to be mixed, the proportion of the liquid to be diluted, and the preset intermolecular interaction coefficient into the preset viscosity prediction model to determine the viscosity of the mixed liquid.

[0166] The intermolecular interaction coefficient refers to the correction parameter for the interaction between the current trace liquid and the optional trace liquid. It is determined by the operator through a pre-mixing experiment of the current trace liquid and the optional trace liquid at a certain ratio, after determining the viscosity of the mixed trace liquid, and then inversely calculating the intermolecular interaction coefficient according to the Grunberg-Nissan model.

[0167] A viscosity prediction model is a formulaic model based on the Grunberg-Nissan model used to predict the viscosity of a liquid mixture. The specific model formula is as follows:

[0168] .

[0169] In the formula, The viscosity of the mixed liquid, The ratio of the liquid to be diluted. The current viscosity of a trace amount of liquid, The ratio of the liquids to be mixed. The viscosity of the liquid to be mixed is... This represents the intermolecular interaction coefficient.

[0170] The viscosity of the mixed liquid is consistent with that of the mixed liquid in step S500. It is determined by the processing terminal by inputting the current trace liquid viscosity, the viscosity of the liquid to be mixed, the proportion of the liquid to be mixed, the proportion of the liquid to be diluted, and the intermolecular interaction coefficient into the viscosity prediction model.

[0171] Referring to Figure 7, the steps for controlling the viscosity of the current trace liquid by analyzing the selectable trace liquid, the proportion of liquid to be mixed, the proportion of liquid to be diluted, and the target heating temperature include:

[0172] Step S700: Obtain the upper limit of the heating temperature.

[0173] The upper limit of the heating temperature refers to the upper limit of the heat resistance of the mixed liquid. The processing terminal first retrieves the upper limit of the heat resistance of the current trace liquid and the upper limit of the heat resistance of the selectable trace liquid, and then determines the minimum value of the two upper limit of the heat resistance as the upper limit of the heating temperature.

[0174] Step S701: Filter the target heating temperature according to the upper limit of the heating temperature to determine the selectable heating temperature.

[0175] Among them, the selectable heating temperature refers to the target heating temperature that does not exceed the upper limit of the heating temperature. After the processing terminal determines the upper limit of the heating temperature and the target heating temperature of each selectable trace liquid and the current trace liquid, it filters the target heating temperatures according to the upper limit of the heating temperature, eliminates the target heating temperatures that are higher than the upper limit of the heating temperature, and determines the target heating temperatures that are lower than the upper limit of the heating temperature as the selectable heating temperature.

[0176] Step S702: Perform data analysis on the selectable heating temperatures to determine the minimum heating temperature.

[0177] The minimum heating temperature refers to the minimum value among the selectable heating temperatures. The processing terminal determines the minimum value among the selectable heating temperatures by analyzing the data of the selectable heating temperatures.

[0178] Step S703: Determine the optional trace liquid, the proportion of liquid to be mixed, and the proportion of liquid to be diluted corresponding to the minimum heating temperature as the final mixed liquid, the final mixing ratio, and the final dilution ratio.

[0179] The final mixed liquid refers to the selectable trace liquid corresponding to the minimum heating temperature. After determining the minimum heating temperature, the processing terminal searches for the mixed liquid combination corresponding to the minimum heating temperature and determines the selectable trace liquid corresponding to the minimum heating temperature, which is the final mixed liquid. Thus, the final mixed liquid is determined based on the selectable trace liquid corresponding to the minimum heating temperature, reducing the energy consumption of trace liquid viscosity adjustment.

[0180] The final mixing ratio refers to the mixing ratio of the final mixed liquid and the current trace liquid when they are mixed. The processing terminal determines the mixing ratio of the final mixed liquid and the current trace liquid after determining the final mixed liquid.

[0181] The final dilution ratio refers to the mixing ratio of the current trace liquid when the final mixed liquid is mixed with the current trace liquid. The processing terminal determines the mixing ratio of the final mixed liquid and the current trace liquid after determining the final mixed liquid.

[0182] Step S704: Mix the current trace liquid and the liquid to be mixed according to the final mixing ratio and the final dilution ratio, and control the heating device to heat the mixed liquid according to the minimum heating temperature to control the viscosity of the current trace liquid.

[0183] In this process, after determining the final mixed liquid, the final mixing ratio, and the final dilution ratio, the current trace liquid and the liquid to be mixed are mixed according to the final mixing ratio and the final dilution ratio. The heating device is controlled to heat the mixed liquid according to the minimum heating temperature to control the viscosity of the current trace liquid, thereby improving the uniformity of feed trace liquid spraying.

[0184] Based on the same inventive concept, embodiments of this application provide a temperature-controlled micro-liquid viscosity adjustment device, comprising:

[0185] The acquisition module is used to acquire feed spraying requirements, liquid heat resistance limit, feed particle size, nozzle spraying pressure, nozzle spraying diameter, current ambient temperature, viscosity of the liquid to be mixed, viscosity of the liquid to be diluted, activation energy of the liquid to be diluted, activation energy of the liquid to be mixed, current operating temperature, current viscosity of the trace liquid, and upper limit of heating temperature.

[0186] A memory for storing programs for temperature-controlled micro-liquid viscosity adjustment methods;

[0187] The processor and memory can load and execute programs to implement a temperature-controlled micro-liquid viscosity adjustment method.

[0188] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the above-described division of functional modules is used as an example. In practical applications, the above functions can be assigned to different functional modules as needed, that is, the internal structure of the device can be divided into different functional modules to complete all or part of the functions described above. The specific working process of the system, device, and unit described above can be referred to the corresponding process in the foregoing method embodiments, and will not be repeated here.

[0189] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Any feature disclosed in this specification (including the abstract and drawings) may be replaced by other equivalent or similar features unless specifically stated otherwise. That is, unless specifically stated otherwise, each feature is only one example of a series of equivalent or similar features.

Claims

1. A method for adjusting the viscosity of micro-liquids based on temperature control, characterized in that, include: Obtain feed spraying requirements and liquid heat resistance limits; Analyze the feed spraying requirements to determine the target viscosity and heating temperature of the liquid; determine whether the heating temperature of the liquid exceeds the upper limit of the liquid's heat resistance. If the viscosity is not greater than the target viscosity, the preset heating device is controlled to heat the current trace liquid according to the liquid heating temperature in order to control the viscosity of the trace liquid; if the viscosity is greater than the target viscosity, the feed spraying requirements and the target viscosity of the liquid are analyzed in order to control the viscosity of the current trace liquid. Obtain the viscosity of the liquid to be mixed and the viscosity of the liquid to be diluted; Determine if the viscosity of the liquid to be mixed is less than the viscosity of the liquid to be diluted; if not, discard the liquid to be mixed; if less, determine the viscosity of the liquid to be mixed as the selectable liquid viscosity; determine the preset trace liquid corresponding to the selectable liquid viscosity as the selectable trace liquid; analyze the selectable trace liquid, selectable liquid viscosity, feed spraying requirements, and target liquid viscosity to control the viscosity of the current trace liquid; analyze the selectable liquid viscosity, selectable trace liquid, and feed spraying requirements to determine the proportion of the liquid to be mixed, the proportion of the liquid to be diluted, and the viscosity of the mixed liquid; obtain the activation energy for dilution and the activation energy for mixing. Calculate the weighted sum of the proportions of the liquid to be diluted and the proportions of the mixed liquid with the activation energies of the liquid to be diluted and the liquid to be mixed to determine the activation energy of the mixed liquid; obtain the current operating temperature; and assign the activation energy of the mixed liquid to... Current operating temperature Preset gas constant Target viscosity of liquid and the viscosity of the mixed liquid Input the value into the preset viscosity-temperature model to determine the target heating temperature. The formula for the viscosity-temperature model is: ； The viscosity of the current trace liquid is controlled by analyzing the selectable trace liquid, the proportion of liquid to be mixed, the proportion of liquid to be diluted, and the target heating temperature.

2. The method for adjusting the viscosity of a micro-liquid based on temperature control according to claim 1, characterized in that, The steps for analyzing feed spraying requirements to determine the target liquid viscosity and liquid heating temperature include: obtaining the feed particle size; calculating the product of a preset size matching coefficient and the feed particle size to determine the liquid droplet size; obtaining the nozzle spraying pressure and nozzle nozzle diameter; inputting the liquid droplet size, nozzle spraying pressure, nozzle nozzle diameter, and preset density matching coefficient into a preset liquid viscosity model to determine the target liquid viscosity; obtaining the current ambient temperature; and analyzing the current ambient temperature, feed spraying requirements, and target liquid viscosity to determine the liquid heating temperature.

3. The method for adjusting the viscosity of micro-liquids based on temperature control according to claim 2, characterized in that, The steps for determining the liquid heating temperature by analyzing the current ambient temperature, feed spraying requirements, and target liquid viscosity include: calculating the difference between the current ambient temperature and a preset reference ambient temperature to determine the reference temperature difference; extracting data on feed spraying requirements to determine the liquid spraying flow rate; inputting the liquid spraying flow rate, reference temperature difference, and preset temperature loss coefficient into a preset temperature loss model to determine the heat loss attenuation; searching for the reference heating temperature in a preset viscosity fitting curve based on the target liquid viscosity; and calculating the sum of the reference heating temperature and the heat loss attenuation to determine the liquid heating temperature.

4. The method for adjusting the viscosity of micro-liquids based on temperature control according to claim 1, characterized in that, The steps for analyzing the selectable liquid viscosity, selectable trace liquid, and feed spraying requirements to determine the proportion of liquid to be mixed, the proportion of liquid to be diluted, and the viscosity of the mixed liquid include: extracting data on feed spraying requirements based on the selectable trace liquid to determine the unit spraying amount to be mixed and the unit spraying amount to be diluted; calculating the sum of the unit spraying amount to be mixed and the unit spraying amount to be diluted to determine the total unit spraying amount; calculating the proportions of the unit spraying amount to be mixed and the current unit spraying amount to the total unit spraying amount to determine the proportion of liquid to be mixed and the proportion of liquid to be diluted; obtaining the current trace liquid viscosity; and inputting the current trace liquid viscosity, the viscosity of the liquid to be mixed, the proportion of liquid to be mixed, the proportion of liquid to be diluted, and the preset intermolecular interaction coefficient into a preset viscosity prediction model to determine the viscosity of the mixed liquid.

5. The method for adjusting the viscosity of micro-liquids based on temperature control according to claim 1, characterized in that, The steps for analyzing the selectable trace liquid, the proportion of liquid to be mixed, the proportion of liquid to be diluted, and the target heating temperature to control the viscosity of the current trace liquid include: obtaining the upper limit of the heating temperature; screening the target heating temperature according to the upper limit of the heating temperature to determine the selectable heating temperature; performing data analysis on the selectable heating temperatures to determine the minimum heating temperature; determining the selectable trace liquid, the proportion of liquid to be mixed, and the proportion of liquid to be diluted corresponding to the minimum heating temperature as the final mixed liquid, the final mixing ratio, and the final dilution ratio; mixing the current trace liquid and the liquid to be mixed according to the final mixing ratio and the final dilution ratio, and controlling the heating device to heat the mixed liquid according to the minimum heating temperature to control the viscosity of the current trace liquid.

6. A micro-liquid viscosity adjustment device based on temperature control, characterized in that, include: The acquisition module is used to obtain feed spraying requirements and liquid heat resistance limits; A memory for storing the program of the temperature-controlled micro-liquid viscosity adjustment method as described in any one of claims 1 to 5; The processor and the program in the memory can be loaded and executed by the processor to implement the temperature-controlled micro-liquid viscosity adjustment method as described in any one of claims 1 to 5.

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