Compound millet oil efficient production method and system based on physical squeezing

Abstract

The invention relates to the technical field of vegetable oil production, in particular to a compound millet oil efficient production method and system based on physical squeezing. The method comprises the steps that a millet sample set is obtained, and a high-quality rice bran set and an inferior rice bran set are obtained through an emery roll rice mill, a densimeter and the millet sample set; the method comprises the following steps: respectively drying a target high-quality rice bran set and a target low-quality rice bran set by using a millet dryer to obtain a high-quality dried rice bran set and a low-quality dried rice bran set, and obtaining an optimal squeezing temperature by using a screw press, an oil-water separator, a peroxide value detector and the low-quality dried rice bran set, and setting the working temperature of the screw press as the optimal pressing temperature, performing pressing operation on the high-quality dried rice bran set by using the target screw press to obtain a preliminary pressed rice bran set and preliminary millet oil, and obtaining the compound millet oil by using the vegetable oil to be prepared and the target millet oil to complete the production of the compound millet oil. The method can improve the oil yield and the product quality of the millet oil, and realizes full utilization of raw materials.

Description

Technical Field

[0001] The invention relates to the technical field of vegetable oil production, and in particular to a method and system for efficiently producing compound millet oil based on physical pressing. Background Art

[0002] Millet oil, as a nutritious and naturally healthy vegetable oil, has received extensive attention in the food industry and health field in recent years. Millet oil is rich in vitamin E, linoleic acid, squalene and other trace elements, and has antioxidant, immune-enhancing, and blood lipid-regulating effects, so it has great potential in the health food market.

[0003] At present, millet oil is mainly produced by physical pressing and chemical extraction. Although chemical extraction has a higher oil yield, some chemical substances may remain, affecting the health properties of the product. The physical pressing process can keep the natural components of millet oil intact, so it is considered a safer and more environmentally friendly process.

[0004] Although the existing physical pressing technology can complete the production of millet oil, the rice bran raw materials are not classified, which increases the difficulty of oil pressing and is more likely to produce impurities. In addition, the effect of the temperature during pressing on the oil yield and oil quality is not considered. Therefore, how to regulate the physical pressing process of millet oil and improve the oil yield and product quality of millet oil has become an urgent problem to be solved. Summary of the invention

[0005] The invention provides a method and system for efficiently producing compound millet oil based on physical pressing, the main purpose of which is to improve the oil yield and product quality of the millet oil and realize full utilization of raw materials.

[0006] To achieve the above-mentioned purpose, the present invention provides a highly efficient production method of compound millet oil based on physical pressing, comprising: starting a pre-built millet processing system, wherein the millet processing system comprises an emery roller rice milling machine, a density meter, a sifter, a millet dryer, a screw press, an oil-water separator, a peroxide value detector and a hydraulic press; obtaining a millet sample set, and using the emery roller rice milling machine, the density meter and the millet sample set to obtain a high-quality rice bran set and a low-quality rice bran set; using the sifter, the high-quality rice bran set and the low-quality rice bran set to obtain a target high-quality rice bran set and a target low-quality rice bran set; using the millet dryer to perform drying operations on the target high-quality rice bran set and the target low-quality rice bran set, respectively, to obtain a high-quality dried rice bran set and inferior dry rice bran collection; use a screw press, an oil-water separator, a peroxide value detector and the inferior dry rice bran collection to obtain the optimal pressing temperature; set the working temperature of the screw press to the optimal pressing temperature, obtain the target screw press, and use the target screw press to perform a pressing operation on the high-quality dry rice bran collection to obtain a preliminary pressed rice bran collection and preliminary millet oil; use a hydraulic press to perform a pressing operation on the preliminary pressed rice bran collection to obtain updated millet oil; summarize the preliminary millet oil and the updated millet oil to obtain mixed millet oil, and use the mixed millet oil to obtain the target millet oil; obtain the vegetable oil to be blended, and use the vegetable oil to be blended and the target millet oil to obtain the compound millet oil, and complete the production of the compound millet oil.

[0007] Optionally, the method of obtaining a high-quality rice bran set and a low-quality rice bran set by using an emery roller rice milling machine, a density meter and a millet sample set comprises: using an emery roller rice milling machine to perform a millet sample set rolling operation to obtain a preliminary millet set, wherein a roller gap at which the emery roller rice milling machine performs a millet sample set rolling operation is preset as a first roller gap; using the preliminary millet set to obtain a preliminary sample set, using a density meter to perform a measurement operation on the preliminary sample set to obtain a preliminary millet density, and comparing the preliminary millet density with a preset first density threshold; if the preliminary millet density is less than or equal to the first density threshold, the preliminary millet is removed. The rice set is taken as the millet sample set, and the step of using the emery roller rice milling machine to perform a milling operation on the millet sample set is returned; if the preliminary millet density is greater than the first density threshold, the emery roller rice milling machine is used to perform a milling operation on the preliminary millet set, wherein the roller gap of the emery roller rice milling machine for performing the milling operation on the preliminary millet set is preset as the second roller gap, and an updated millet set and a first rice bran set are obtained, and the first rice bran set is placed in a pre-constructed first collector to obtain a first target collector; the updated sample set is obtained by using the updated millet set, and a density meter is used to perform a measurement operation on the updated sample set to obtain an updated millet set. new millet density, compare the updated millet density with a preset second density threshold; if the updated millet density is less than or equal to the second density threshold, use the updated millet set as the preliminary millet set, and return to the step of using the emery roller rice milling machine to perform a rolling operation on the preliminary millet set; if the updated millet density is greater than the second density threshold, use the first target collector to obtain the inferior rice bran set, and use the emery roller rice milling machine to perform a rolling operation on the updated millet set, wherein the roller gap for the emery roller rice milling machine to perform a rolling operation on the updated millet set is preset as the third roller gap, obtain the target millet set and the second rice bran set, and place the second rice bran set into the pre-constructed second collector to obtain the second target collector; use the target millet set to obtain the target sample set, use the density meter to perform a measurement operation on the target sample set, obtain the target millet density, and compare the target millet density with the preset third density threshold; if the target millet density is less than or equal to the third density threshold, use the target millet set as the updated millet set, and return to the step of using the emery roller rice milling machine to perform a rolling operation on the updated millet set; if the target millet density is greater than the third density threshold, use the second target collector to obtain the high-quality rice bran set.

[0008] Optionally, the method of using a sifter, a high-quality rice bran set and a low-quality rice bran set to obtain a target high-quality rice bran set and a target low-quality rice bran set comprises: wherein the sifter comprises a first sieve and a second sieve; using the first sieve to perform a sifting operation on the low-quality rice bran set to obtain an updated low-quality rice bran set; using the second sieve to perform a sifting operation on the high-quality rice bran set to obtain a target high-quality rice bran set and an updated impurity rice bran set; and summarizing the updated impurity rice bran set and the updated low-quality rice bran set to obtain a target low-quality rice bran set.

[0009] Optionally, the method of using a millet dryer to perform drying operations on a target high-quality rice bran set and a target low-quality rice bran set to obtain a high-quality dried rice bran set and a low-quality dried rice bran set comprises: wherein the millet dryer comprises a drying machine and a capacitive moisture meter; performing an equal division operation on the target high-quality rice bran set to obtain a high-quality rice bran group set, wherein the high-quality rice bran group set comprises a plurality of high-quality rice bran groups; extracting a high-quality rice bran group from the high-quality rice bran group set, recording the high-quality rice bran group set after the high-quality rice bran group is extracted as an updated rice bran group set, and performing the following operations on the high-quality rice bran group: starting the drying process; The method comprises the following steps: a drying machine, wherein the temperature when the drying machine performs a drying operation is preset as an initial drying temperature, the time of starting the dryer is taken as a first initial time, the first initial time is taken as a starting point and the time is recorded in real time to obtain a drying time, and the started dryer is used to perform a drying operation on the high-quality rice bran group to obtain a high-quality dried rice bran group; when the drying time reaches a preset drying time threshold, the dryer is turned off, and a capacitive moisture meter is used to perform a detection operation on the high-quality dried rice bran group to obtain a high-quality moisture content; the high-quality moisture content is compared with a preset minimum moisture threshold, and if the high-quality moisture content reaches a preset minimum moisture threshold, the high-quality moisture content is determined. If the amount of high-quality moisture is less than the minimum moisture threshold, the updated drying time is calculated using the high-quality moisture content, the minimum moisture threshold and the drying time threshold, the updated drying time is used as the drying time threshold, the updated rice bran group set is used as the high-quality rice bran group set, and the step of extracting the high-quality rice bran group from the high-quality rice bran group set is returned until there is no high-quality rice bran group in the high-quality rice bran group set; if the high-quality moisture content is greater than or equal to the minimum moisture threshold, the high-quality moisture content is compared with the preset maximum moisture threshold; if the high-quality moisture content is greater than the maximum moisture threshold, the high-quality dried rice bran group is used as the high-quality rice bran group, and the step of starting the dryer is returned; if the high-quality moisture content is less than or equal to the maximum moisture threshold, the high-quality dried rice bran group corresponding to the high-quality moisture content is stored in a pre-constructed rice bran storage bin to obtain an updated storage bin, the updated storage bin is used as the rice bran storage bin, the updated rice bran group set is used as the high-quality rice bran group set, and the step of extracting the high-quality rice bran group from the high-quality rice bran group set is returned until there is no high-quality rice bran group in the high-quality rice bran group set; the high-quality dried rice bran set is extracted from the updated storage bin; and the low-quality dried rice bran set is obtained based on the target low-quality rice bran set.

[0010] Optionally, the formula for calculating the updated drying time is as follows: ,in, To update the drying time, is the drying time threshold, is a natural constant, is the minimum moisture threshold, High quality moisture content.

[0011] Optionally, the method of using a screw press, an oil-water separator, a peroxide value detector and a low-quality dry rice bran set to obtain an optimal pressing temperature comprises: obtaining a test temperature set of the screw press, wherein the test temperature set comprises m test temperatures; dividing the low-quality dry rice bran set into m test rice bran sets, and using the m test rice bran sets and the m test temperatures to identify m test groups, wherein each of the m test groups comprises a test rice bran set and a test temperature, and the test rice bran set corresponds to the test temperature one by one; performing the following operations on each of the m test groups: setting The working temperature of the screw press is the test temperature in the test group, and the test press is obtained; the test press is used to perform a pressing operation on the test rice bran set in the test group to obtain a preliminary pressed liquid; the preliminary pressed liquid is filtered using a pre-constructed filter to obtain an updated pressed liquid and pressed impurities; the updated pressed liquid is collected using a pre-constructed first measuring cylinder to obtain a test measuring cylinder; the test measuring cylinder and the pressed impurities are weighed using a pre-constructed first electronic balance to obtain a liquid mass and an impurity mass; the impurity ratio is calculated using the liquid mass and the impurity mass, and the calculation formula is as follows: ,in, is the impurity ratio, is the impurity mass, is the mass of liquid, is the mass of the first measuring cylinder; after placing the updated squeezed liquid in the test measuring cylinder into an oil-water separator, the oil-water separator is used to perform a separation operation on the updated squeezed liquid to obtain a test millet oil; a pre-constructed second measuring cylinder is used to perform a measurement operation on the test millet oil to obtain a test oil volume; a peroxide value detector is used to perform a detection operation on the test millet oil to obtain a peroxide value; a quality evaluation value of the test millet oil is calculated using a pre-constructed quality evaluation function, the test oil volume and the peroxide value; the quality evaluation values ​​are summarized to obtain m quality evaluation values; the largest quality evaluation value among the m quality evaluation values ​​is used as the target evaluation value, and the working temperature corresponding to the target evaluation value is used as the optimal pressing temperature.

[0012] Optionally, the quality assessment function is as follows: ,in, is the quality assessment value, To test the oil level, The preset oil volume is marked. is the peroxide value, is the preset peroxide value threshold.

[0013] Optionally, the method of using a hydraulic press to perform a pressing operation on a preliminary pressed rice bran set to obtain updated millet oil comprises: wherein the hydraulic press comprises a hydraulic press and an oil tank; obtaining a pressure sequence of the hydraulic press, wherein the pressure sequence comprises n initial pressure values; extracting the initial pressure values ​​in sequence from the pressure sequence, and performing the following operations on the extracted initial pressure values: retrieving a target pressure value in the pressure sequence using the initial pressure value, wherein the target pressure value is adjacent to the extracted initial pressure value in the pressure sequence and lags behind the extracted initial pressure value; importing the extracted initial pressure value into a pre-started hydraulic press, and using the hydraulic press after the initial pressure value is imported to perform a pressing operation on the preliminary pressed rice bran set to obtain pressed millet oil; and importing the pressed millet oil into the oil tank. In the step of obtaining an updated oil tank, using a pre-built pressure sensor and a preset monitoring frequency to monitor the weight of the updated oil tank, and obtaining an oil production weight sequence, wherein the oil production weight sequence includes multiple oil production weights; obtaining a target weight difference based on the oil production weight sequence, and comparing the target weight difference with a preset weight difference threshold; if the target weight difference is less than the weight difference threshold, taking the target pressure value as the initial pressure value, and returning to the step of sequentially extracting the initial pressure values ​​from the pressure sequence, obtaining an updated weight difference, wherein the updated weight difference refers to the first target weight difference obtained based on the monitoring frequency after taking the target pressure value as the initial pressure value, and the updated weight difference is less than the weight difference threshold, then shutting down the hydraulic press, and using the updated oil tank to obtain updated millet oil.

[0014] Optionally, the method of obtaining compound millet oil using the vegetable oil to be compounded and the target millet oil comprises: placing the target millet oil into a pre-constructed third measuring cylinder to obtain a detection measuring cylinder, and obtaining the target oil volume using the detection measuring cylinder; and calculating the volume of the oil to be compounded using the target oil volume, and the calculation formula is as follows: ,in, is the volume of oil to be dispensed, is the preset scaling factor, is the target oil volume; using the pre-constructed fourth measuring cylinder, the volume of oil to be prepared and the vegetable oil to be prepared to obtain the target oil to be prepared; using the pre-constructed agitator to perform a mixing operation on the target oil to be prepared and the target millet oil to obtain the compound millet oil.

[0015] To achieve the above-mentioned purpose, the present invention also provides a high-efficiency production system of compound millet oil based on physical pressing, comprising: a millet bran classification module, which is used to start a pre-built millet processing system, wherein the millet processing system comprises an emery roller rice milling machine, a density meter, a sifter, a millet dryer, a screw press, an oil-water separator, a peroxide value detector and a hydraulic press, to obtain a millet sample set, to obtain a high-quality rice bran set and a low-quality rice bran set by using the emery roller rice milling machine, the density meter and the millet sample set, and to obtain a target high-quality rice bran set and a target low-quality rice bran set by using the sifter, the high-quality rice bran set and the low-quality rice bran set; and a pressing temperature acquisition module, which is used to perform drying operations on the target high-quality rice bran set and the target low-quality rice bran set respectively by using the millet dryer to obtain a high-quality dried rice bran set. and a collection of inferior dry rice bran, using a screw press, an oil-water separator, a peroxide value detector and the collection of inferior dry rice bran to obtain the optimal pressing temperature; a high-quality rice bran processing module, used to set the working temperature of the screw press to the optimal pressing temperature, obtain a target screw press, use the target screw press to perform a pressing operation on the high-quality dry rice bran collection, obtain a preliminary pressed rice bran collection and preliminary millet oil, use a hydraulic press to perform a pressing operation on the preliminary pressed rice bran collection, and obtain updated millet oil; a compound rice oil mixing module, used to summarize the preliminary millet oil and updated millet oil, obtain mixed millet oil, use the mixed millet oil to obtain the target millet oil, obtain the vegetable oil to be prepared, use the vegetable oil to be prepared and the target millet oil to obtain the compound millet oil, and complete the production of the compound millet oil.

[0016] In order to solve the above problems, the present invention also provides an electronic device, comprising: a memory storing at least one instruction; and a processor executing the instructions stored in the memory to implement the above-mentioned efficient production method of compound millet oil based on physical pressing.

[0017] In order to solve the above problems, the present invention also provides a computer-readable storage medium, in which at least one instruction is stored. The at least one instruction is executed by a processor in an electronic device to implement the above-mentioned efficient production method of compound millet oil based on physical pressing.

[0018] The present invention solves the problem described in the background technology. The present invention starts a pre-constructed millet processing system, wherein the millet processing system includes an emery roller rice milling machine, a density meter, a sifter, a millet dryer, a screw press, an oil-water separator, a peroxide value detector and a hydraulic press. It can be seen that the purpose of the embodiment of the present invention using a millet processing system integrating multiple devices is to improve production efficiency and automation; then, a millet sample set is obtained, and a high-quality rice bran set and a low-quality rice bran set are obtained by using the emery roller rice milling machine, the density meter and the millet sample set. It can be seen that the embodiment of the present invention classifies the obtained rice bran raw materials by introducing the emery roller rice milling machine and the density meter to obtain a high-quality rice bran set and a low-quality rice bran set, which is convenient for subsequent separate processing and realizes full utilization of the raw materials; the sifter is used The target high-quality rice bran set and the target low-quality rice bran set are obtained by using a separator, a high-quality rice bran set and a low-quality rice bran set. It can be seen that the embodiment of the present invention further screens the high-quality rice bran set and the low-quality rice bran set through a screen, thereby ensuring that the oil subsequently squeezed out of the target high-quality rice bran set has a higher product quality; a millet dryer is used to perform drying operations on the target high-quality rice bran set and the target low-quality rice bran set, respectively, to obtain a high-quality dried rice bran set and a low-quality dried rice bran set. It can be seen that the embodiment of the present invention effectively removes moisture from the rice bran by drying the target high-quality rice bran set and the target low-quality rice bran set, reduces the moisture content of the target high-quality rice bran set and the target low-quality rice bran set in the subsequent squeezing process, and improves the oil yield; a screw press, an oil-water separator, a peroxide value detector and The optimal pressing temperature is obtained for the inferior dry rice bran set. It can be seen that the embodiment of the present invention performs an oil pressing test on the inferior dry rice bran set, makes full use of the inferior raw materials, and obtains the optimal pressing temperature, which is convenient for the subsequent pressing of the high-quality dry rice bran set using the optimal pressing temperature, improves the accuracy of the process, and thus improves the oil yield and product quality of millet oil; the working temperature of the screw press is set to the optimal pressing temperature to obtain the target screw press, and the target screw press is used to perform a pressing operation on the high-quality dry rice bran set to obtain a preliminary pressed rice bran set and preliminary millet oil. It can be seen that the embodiment of the present invention provides an ideal temperature environment for the pressing operation by setting the working temperature of the screw press to the optimal pressing temperature, thereby improving the oil yield and product quality of millet oil; using The hydraulic press performs a pressing operation on the preliminary pressed rice bran collection to obtain updated millet oil. It can be seen that the embodiment of the present invention performs a secondary pressing on the incompletely pressed preliminary pressed rice bran collection through the hydraulic press, so as to make full use of the raw materials and improve the oil yield at the same time; the preliminary millet oil and the updated millet oil are summarized to obtain mixed millet oil, and the mixed millet oil is used to obtain the target millet oil. It can be seen that the embodiment of the present invention improves the product quality of the target millet oil by performing a series of processing on the mixed millet oil; the vegetable oil to be prepared is obtained, and the compound millet oil is obtained by using the vegetable oil to be prepared and the target millet oil to complete the production of the compound millet oil. It can be seen that the embodiment of the present invention improves the product quality by compounding the target millet oil with the vegetable oil to be prepared, so as to adapt to the dietary habits and health needs of different consumers.Therefore, the invention can improve the oil yield and product quality of millet oil and realize full utilization of raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of a process for efficiently producing a compound millet oil based on physical pressing provided by an embodiment of the present invention; Figure 2 A functional module diagram of a system for efficiently producing compound millet oil based on physical pressing provided by one embodiment of the present invention; Figure 3 A schematic diagram of the structure of an electronic device for realizing the efficient production method of compound millet oil based on physical pressing provided in one embodiment of the present invention.

[0020] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0021] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0022] The embodiment of the present application provides an efficient production method of compound millet oil based on physical pressing. The execution subject of the efficient production method of compound millet oil based on physical pressing includes but is not limited to at least one of the electronic devices such as a server and a terminal that can be configured to execute the method provided by the embodiment of the present application. In other words, the efficient production method of compound millet oil based on physical pressing can be executed by software or hardware installed in a terminal device or a server device, and the software can be a blockchain platform. The server includes but is not limited to: a single server, a server cluster, a cloud server or a cloud server cluster, etc.

[0023] Reference Figure 1 As shown, it is a schematic diagram of a process of an efficient production method of compound millet oil based on physical pressing provided by an embodiment of the present invention. In this embodiment, the efficient production method of compound millet oil based on physical pressing comprises: S1, starting a pre-built millet processing system, wherein the millet processing system comprises an emery roller rice milling machine, a density meter, a sifter, a millet dryer, a screw press, an oil-water separator, a peroxide value detector and a hydraulic press.

[0024] It should be explained that the millet processing system is a comprehensive system for controlling the production line of compound millet oil, and the millet processing system includes a sand roller rice mill, a density meter, a screener, a millet dryer, a screw press, an oil-water separator, a peroxide value detector and a hydraulic press. The density meter is an instrument for measuring the density of grains. Optionally, the Fanma density meter FM-300 is used as a density meter. The screener is a vibration screening mechanical device that utilizes the relative movement of rice bran particles and the screen to allow some rice bran particles to pass through the screen holes and divide the rice bran into different levels according to its particle size, and the screener includes a first screen and a second screen. The first screen and the second screen are both meshes woven from metal wires or fiber wires, and the mesh aperture is preset, and the aperture of the second screen is smaller than the aperture of the first screen. The millet dryer includes: a dryer and a capacitive moisture meter. The main function of the dryer is to dry the target high-quality rice bran set and the target low-quality rice bran set to remove part of the moisture for subsequent oil extraction. Optionally, the MJ5-i dehumidification hot air dryer of MATSUI is used as the dryer. The main function of the capacitive moisture meter is to detect the change in moisture content of the rice bran in the target high-quality rice bran set or the target low-quality rice bran set during the drying process. Optionally, the SC-2BY moisture meter is used as the capacitive moisture meter. The peroxide value detector is a device for detecting the peroxide value content of vegetable oil.

[0025] Optionally, an acid value peroxide value detector YT-GZT is used as a peroxide value detector. An HD-200 rice mill is used as an emery roller rice mill. An XZ-Z538-4 oil press is used as a screw press. A CTYS-600 oil-water separator is used as an oil-water separator. A DLL-300T Dingliang ultra-high pressure hydraulic oil press is used as a hydraulic press.

[0026] S2. Obtain a millet sample set, and use an emery roller rice mill, a density meter and the millet sample set to obtain a high-quality rice bran set and a low-quality rice bran set.

[0027] It should be explained that the millet sample set refers to a batch of unhulled and unprocessed millet. Alternatively, the millet sample set is obtained from a farm or crop supplier.

[0028] For example, Xiao Zhang is a processor in a compound millet oil production factory. The factory now needs to produce a batch of compound millet oil, so Xiao Zhang buys several bags of unhulled millet from a farm and uses them as a millet sample set for subsequent production.

[0029] In detail, the method of obtaining a high-quality rice bran set and a low-quality rice bran set by using an emery roller rice milling machine, a density meter and a millet sample set comprises: using an emery roller rice milling machine to perform a millet sample set rolling operation to obtain a preliminary millet set, wherein a roller gap at which the emery roller rice milling machine performs a millet sample set rolling operation is preset as a first roller gap; using the preliminary millet set to obtain a preliminary sample set, using a density meter to perform a measurement operation on the preliminary sample set to obtain a preliminary millet density, and comparing the preliminary millet density with a preset first density threshold; if the preliminary millet density is less than or equal to the first density threshold, the preliminary millet is removed. The rice set is taken as the millet sample set, and the step of using the emery roller rice milling machine to perform a milling operation on the millet sample set is returned; if the preliminary millet density is greater than the first density threshold, the emery roller rice milling machine is used to perform a milling operation on the preliminary millet set, wherein the roller gap of the emery roller rice milling machine for performing the milling operation on the preliminary millet set is preset as the second roller gap, and an updated millet set and a first rice bran set are obtained, and the first rice bran set is placed in a pre-constructed first collector to obtain a first target collector; the updated sample set is obtained by using the updated millet set, and a density meter is used to perform a measurement operation on the updated sample set to obtain an updated millet set. new millet density, compare the updated millet density with a preset second density threshold; if the updated millet density is less than or equal to the second density threshold, use the updated millet set as the preliminary millet set, and return to the step of using the emery roller rice milling machine to perform a rolling operation on the preliminary millet set; if the updated millet density is greater than the second density threshold, use the first target collector to obtain the inferior rice bran set, and use the emery roller rice milling machine to perform a rolling operation on the updated millet set, wherein the roller gap for the emery roller rice milling machine to perform a rolling operation on the updated millet set is preset as the third roller gap, obtain the target millet set and the second rice bran set, and place the second rice bran set into the pre-constructed second collector to obtain the second target collector; use the target millet set to obtain the target sample set, use the density meter to perform a measurement operation on the target sample set, obtain the target millet density, and compare the target millet density with the preset third density threshold; if the target millet density is less than or equal to the third density threshold, use the target millet set as the updated millet set, and return to the step of using the emery roller rice milling machine to perform a rolling operation on the updated millet set; if the target millet density is greater than the third density threshold, use the second target collector to obtain the high-quality rice bran set.

[0030] It should be explained that the preliminary millet set is the brown rice obtained by grinding the millet sample set with the first roller gap by the sand roller rice milling machine. The updated millet set is the germ rice obtained by grinding the preliminary millet set with the second roller gap by the sand roller rice milling machine. The target millet set is the polished rice obtained by grinding the updated millet set with the third roller gap by the sand roller rice milling machine. The preliminary sample set, the updated sample set and the target sample set are samples taken from the preliminary millet set, the updated millet set and the target millet set, respectively. The first roller gap, the second roller gap and the third roller gap are set by the processor, and the first roller gap>the second roller gap>the third roller gap. The first density threshold, the second density threshold and the third density threshold are related to the density of millet in the millet sample set, are set by the processor, and the first density threshold<the second density threshold<the third density threshold.

[0031] It should be understood that the method of obtaining a preliminary sample set using a preliminary millet set refers to extracting a specified number of grams of brown rice from the preliminary millet set as a preliminary sample set. The specified number of grams is related to the measurement standard of the density meter and is set by the processor. The method of obtaining an updated sample set using an updated millet set and obtaining a target sample set using a target millet set are the same as the method of obtaining a preliminary sample set using a preliminary millet set.

[0032] Exemplarily, a bag of millet is milled using a sand roller rice milling machine with a roller gap set to the first roller gap to obtain a bag of brown rice. Dozens of grains of brown rice are extracted from the bag of brown rice as a preliminary sample set and placed in a densitometer. The density is detected to be 1.4 grams per cubic centimeter, which is less than the preset first density threshold of 1.45 grams per cubic centimeter. The bag of brown rice is then sent back to the sand roller rice milling machine for milling and tested again. The density is 1.5 grams per cubic centimeter, which is greater than the first density threshold. The roller gap of the sand roller rice milling machine is set to the second roller gap for subsequent milling.

[0033] It should be understood that in the embodiment of the present invention, the purpose of rolling in the first roller gap is to perform preliminary shelling and impurity removal on the millet in the millet sample set to obtain brown rice; the purpose of rolling in the second roller gap is to roll off part of the bran and aleurone layer on the surface of the brown rice, and collect the bran and aleurone layer while obtaining the germ rice; the purpose of rolling in the third roller gap is to roll off almost all the bran, germ and aleurone layer on the germ rice, and collect the aleurone layer and germ while obtaining the polished rice; it is known from the prior art that the part with the highest oil content in millet is the germ and aleurone layer, followed by the bran, so the embodiment of the present invention collects the germ, bran and aleurone layer in the millet through the method of graded rolling to facilitate subsequent oil extraction. It is known that the density of millet is less than the density of brown rice, less than the density of germ rice, and less than the density of polished rice. Therefore, the embodiment of the present invention determines whether the millet has been shelled by detecting the density of the preliminary sample set, determines whether the bran on the brown rice has been removed by detecting the density of the updated sample set, and determines whether the germ on the germ rice has been removed by detecting the density of the target sample set.

[0034] Optionally, plastic bags are used as the first collector and the second collector, wherein the first collector and the second collector are used to collect the first rice bran collection and the second rice bran collection, respectively. The first rice bran collection refers to a portion of rice bran removed from the brown rice in the preliminary millet collection after rolling, and the components in the rice bran are mostly husk and endosperm, and a small part are husk and germ. The second rice bran collection refers to a portion of rice bran removed from the germ rice in the updated millet collection after rolling, and the components in the rice bran are mostly germ, and a small part are endosperm and husk. The first target collector refers to the first collector that collects the first rice bran collection. The second target collector refers to the second collector that collects the second rice bran collection.

[0035] It should be understood that the method of obtaining the inferior rice bran set using the first target collector refers to extracting all the first rice bran sets from the first target collector as the inferior rice bran set, and the method of obtaining the high-quality rice bran set using the second target collector is the same as the method of obtaining the inferior rice bran set using the first target collector.

[0036] It is understandable that, since the milling operation of the sand roller rice milling machine is difficult to accurately mill each millet to fully meet the requirements, even if the density of the preliminary sample set has reached the standard, the preliminary millet set may still contain some husks, so a small amount of husks and other impurities will be attached to the first rice bran set, and some brown rice may be over-milled when the milling operation is performed under the second roller gap, that is, after removing the husks and brans, part of the gelatinized layer and germ will still be milled away. Therefore, although the first rice bran set produced contains a small amount of husks and other impurities, which is inconvenient for actual oil extraction production, it also contains a small amount of gelatinized layer and germ, etc., which can be used for oil extraction. Therefore, in order to make full use of the raw materials, in subsequent embodiments, the inferior rice bran set corresponding to the first rice bran set can be used for test oil extraction to obtain the optimal oil extraction temperature, so that the temperature of the subsequent formal oil extraction of the high-quality rice bran set corresponding to the second rice bran set is more suitable, thereby achieving efficient oil extraction.

[0037] S3, utilizing the sifter, the high-quality rice bran set and the low-quality rice bran set to obtain a target high-quality rice bran set and a target low-quality rice bran set.

[0038] In detail, the method of using a sifter, a high-quality rice bran set and a low-quality rice bran set to obtain a target high-quality rice bran set and a target low-quality rice bran set includes: wherein the sifter includes a first sieve and a second sieve; using the first sieve to perform a sifting operation on the low-quality rice bran set to obtain an updated low-quality rice bran set; using the second sieve to perform a sifting operation on the high-quality rice bran set to obtain a target high-quality rice bran set and an updated impurity rice bran set; summarizing the updated impurity rice bran set and the updated low-quality rice bran set to obtain a target low-quality rice bran set.

[0039] Exemplarily, the inferior rice bran collection is slowly poured into the first screen of the sifter, and at the same time, the first screen is vibrated at a preset frequency, and the rice bran particles passing through the first screen are collected to obtain an updated inferior rice bran collection; the high-quality rice bran collection is slowly poured into the second screen of the sifter, and at the same time, the second screen is vibrated at a preset frequency, and the rice bran particles passing through the second screen are collected to obtain a target high-quality rice bran collection, and the rice bran particles that have not passed through the second screen are collected to obtain an updated impurity rice bran collection, and the rice bran in the updated impurity rice bran collection and the rice bran in the updated inferior rice bran collection are summarized to obtain a target inferior rice bran collection.

[0040] It is understandable that, since the inferior rice bran set contains some impurities such as husks, the embodiment of the present invention screens the inferior rice bran set through the first screen to remove some impurities. Since the high-quality rice bran set contains some husks that are not suitable for oil extraction, the embodiment of the present invention further screens the high-quality rice bran set through the second screen to remove some husks that are not suitable for oil extraction, and combines it with the updated inferior rice bran set to obtain the target inferior rice bran set, which is used to subsequently use the target inferior rice bran set to obtain the optimal pressing temperature.

[0041] S4. Utilizing a millet dryer, drying operations are respectively performed on the target high-quality rice bran set and the target low-quality rice bran set to obtain a high-quality dried rice bran set and a low-quality dried rice bran set.

[0042] It should be explained that the high-quality dried rice bran set is the target high-quality rice bran set after drying, and the low-quality dried rice bran set is the target low-quality rice bran set after drying.

[0043] In detail, the method comprises the following steps: performing a drying operation on a target high-quality rice bran set and a target low-quality rice bran set respectively to obtain a high-quality dried rice bran set and a low-quality dried rice bran set, wherein the millet dryer comprises a drying machine and a capacitive moisture meter; performing an equal division operation on the target high-quality rice bran set to obtain a high-quality rice bran group set, wherein the high-quality rice bran group set comprises a plurality of high-quality rice bran groups; extracting a high-quality rice bran group from the high-quality rice bran group set, recording the high-quality rice bran group set after the high-quality rice bran group is extracted as an updated rice bran group set, and performing the following operations on the high-quality rice bran group: starting the drying operation; The method comprises the following steps: a drying machine, wherein the temperature when the drying machine performs a drying operation is preset as an initial drying temperature, the time of starting the dryer is taken as a first initial time, the first initial time is taken as a starting point and the time is recorded in real time to obtain a drying time, and the started dryer is used to perform a drying operation on the high-quality rice bran group to obtain a high-quality dried rice bran group; when the drying time reaches a preset drying time threshold, the dryer is turned off, and a capacitive moisture meter is used to perform a detection operation on the high-quality dried rice bran group to obtain a high-quality moisture content; the high-quality moisture content is compared with a preset minimum moisture threshold, and if the high-quality moisture content reaches a preset minimum moisture threshold, the high-quality moisture content is determined. If the amount of high-quality moisture is less than the minimum moisture threshold, the updated drying time is calculated using the high-quality moisture content, the minimum moisture threshold and the drying time threshold, the updated drying time is used as the drying time threshold, the updated rice bran group set is used as the high-quality rice bran group set, and the step of extracting the high-quality rice bran group from the high-quality rice bran group set is returned until there is no high-quality rice bran group in the high-quality rice bran group set; if the high-quality moisture content is greater than or equal to the minimum moisture threshold, the high-quality moisture content is compared with the preset maximum moisture threshold; if the high-quality moisture content is greater than the maximum moisture threshold, the high-quality dried rice bran group is used as the high-quality rice bran group, and the step of starting the dryer is returned; if the high-quality moisture content is less than or equal to the maximum moisture threshold, the high-quality dried rice bran group corresponding to the high-quality moisture content is stored in a pre-constructed rice bran storage bin to obtain an updated storage bin, the updated storage bin is used as the rice bran storage bin, the updated rice bran group set is used as the high-quality rice bran group set, and the step of extracting the high-quality rice bran group from the high-quality rice bran group set is returned until there is no high-quality rice bran group in the high-quality rice bran group set; the high-quality dried rice bran set is extracted from the updated storage bin; and the low-quality dried rice bran set is obtained based on the target low-quality rice bran set.

[0044] It should be understood that the said dividing the target high-quality rice bran set equally to obtain the high-quality rice bran group set means: dividing the target high-quality rice bran set equally according to mass to obtain multiple high-quality rice bran groups, and the high-quality rice bran group set is a collection consisting of multiple high-quality rice bran groups.

[0045] Exemplarily, there is a bag of rice bran as the target high-quality rice bran set, which needs to be divided into 10 high-quality rice bran groups. The mass of the bag of rice bran is measured to be 10 kg, then 10 bags of 1 kg rice bran are weighed from the bag of rice bran in sequence, and the 10 bags of 1 kg rice bran are 10 high-quality rice bran groups.

[0046] It should be explained that the initial drying temperature and drying time thresholds are related to the moisture content of the rice bran in the high-quality rice bran group and are set by the processor. The rice bran storage bin is a container for storing the high-quality dried rice bran group. The extraction of the high-quality dried rice bran set from the updated storage bin means: extracting all the previously stored high-quality dried rice bran groups from the updated storage bin and summarizing them to obtain the high-quality dried rice bran set.

[0047] It is understandable that the drying operation on the high-quality rice bran group using the started dryer and the detection operation on the high-quality dried rice bran group using a capacitive moisture meter are both prior arts and will not be described in detail here.

[0048] It should be explained that the high-quality dried rice bran group refers to the high-quality rice bran group after being dried in a dryer. The high-quality moisture content refers to the moisture content of the high-quality dried rice bran group measured by a capacitive moisture meter. The dried high-quality rice bran group refers to the high-quality dried rice bran group whose high-quality moisture content is greater than or equal to the minimum moisture threshold and less than or equal to the maximum moisture threshold.

[0049] It should be explained that the minimum moisture threshold and the maximum moisture threshold are related to the moisture content of rice bran in the high-quality rice bran group and are set by the processor, and the minimum moisture threshold is lower than the maximum moisture threshold.

[0050] It is understandable that the method for obtaining the inferior dry rice bran set based on the target inferior rice bran set is the same as the method for obtaining the high-quality dry rice bran set using the target high-quality rice bran set, and will not be repeated here.

[0051] Furthermore, the formula for calculating the updated drying time is as follows: ,in, To update the drying time, is the drying time threshold, is a natural constant, is the minimum moisture threshold, High quality moisture content.

[0052] It should be explained that the updated drying time is the ideal drying time.

[0053] It should be understood that, in the embodiment of the present invention, when the high-quality moisture content is lower than the minimum moisture threshold, it represents that the moisture content of the rice bran in the high-quality drying rice bran group is too little and has been over-dried, so it is necessary to calculate a suitable drying time as the updated drying time to replace the original drying time threshold, and ensure that the next high-quality rice bran group will not be over-dried when being processed. When the high-quality moisture content is greater than or equal to the maximum moisture threshold, it represents that the moisture content of the rice bran in the high-quality rice bran group is too high and has not been completely dried, then it is necessary to restart the dryer and continue to dry the high-quality drying millet group. When the high-quality moisture content is greater than or equal to the minimum moisture threshold and less than or equal to the maximum moisture threshold, it represents that the moisture content of the rice bran in the high-quality drying millet group is up to standard at this time, and can be used as a high-quality drying rice bran set for subsequent processing.

[0054] S5. Utilize a screw press, an oil-water separator, a peroxide value detector and a collection of low-quality dry rice bran to obtain the optimal pressing temperature.

[0055] In detail, the method of using a screw press, an oil-water separator, a peroxide value detector and a low-quality dry rice bran set to obtain an optimal pressing temperature includes: obtaining a test temperature set of the screw press, wherein the test temperature set includes m test temperatures; dividing the low-quality dry rice bran set into m test rice bran sets, and using the m test rice bran sets and the m test temperatures to identify m test groups, wherein each of the m test groups includes a test rice bran set and a test temperature, and the test rice bran set corresponds to the test temperature one by one; performing the following operations on each of the m test groups: setting The working temperature of the screw press is the test temperature in the test group, and the test press is obtained; the test press is used to perform a pressing operation on the test rice bran set in the test group to obtain a preliminary pressed liquid; the preliminary pressed liquid is filtered using a pre-constructed filter to obtain an updated pressed liquid and pressed impurities; the updated pressed liquid is collected using a pre-constructed first measuring cylinder to obtain a test measuring cylinder; the test measuring cylinder and the pressed impurities are weighed using a pre-constructed first electronic balance to obtain a liquid mass and an impurity mass; the impurity ratio is calculated using the liquid mass and the impurity mass, and the calculation formula is as follows: ,in, is the impurity ratio, is the impurity mass, is the mass of liquid, is the mass of the first measuring cylinder; after placing the updated squeezed liquid in the test measuring cylinder into an oil-water separator, the oil-water separator is used to perform a separation operation on the updated squeezed liquid to obtain a test millet oil; a pre-constructed second measuring cylinder is used to perform a measurement operation on the test millet oil to obtain a test oil volume; a peroxide value detector is used to perform a detection operation on the test millet oil to obtain a peroxide value; a quality evaluation value of the test millet oil is calculated using a pre-constructed quality evaluation function, the test oil volume and the peroxide value; the quality evaluation values ​​are summarized to obtain m quality evaluation values; the largest quality evaluation value among the m quality evaluation values ​​is used as the target evaluation value, and the working temperature corresponding to the target evaluation value is used as the optimal pressing temperature.

[0056] It should be understood that the setting of the working temperature of the screw press means that the screw press can set the temperature inside the screw press when the screw press performs the squeezing operation through its own temperature control system, and the test temperature set is a set of all selectable temperature values ​​in the temperature control system. The dividing the inferior dry rice bran set into m test rice bran sets means dividing the inferior dry rice bran set into m test rice bran sets according to mass to obtain m test rice bran sets of the same mass.

[0057] Exemplarily, there are 10 temperatures to choose from in the temperature control system of the screw press, and the 10 temperatures are 10 test temperatures. If the inferior dry rice bran set is a bag of 10 kg of rice bran, it is divided into 10 bags of 1 kg of rice bran, and each bag of 1 kg of rice bran is a test rice bran set. The 10 bags of test rice bran sets are paired with the 10 test temperatures to obtain 10 test groups, so that the obtained test groups each include a test temperature and a bag of test rice bran set, and the test temperature corresponds to the test rice bran set one by one. For example: the first test group consists of a 1 kg test rice bran set and a test temperature of 70 degrees Celsius.

[0058] It should be explained that the initial squeezed liquid is the liquid obtained by squeezing the test rice bran set, which contains millet oil, water and solid impurities. The filter is a net woven from textile fibers according to a certain aperture, and the aperture size is preset. Its main function is to filter out solid impurities in the initial squeezed liquid. The updated squeezed liquid refers to the initial squeezed liquid after being filtered through the filter. Squeezed impurities refer to solid impurities in the initial squeezed liquid, such as rice bran powder.

[0059] Importantly, the first measuring cylinder is a measuring cylinder for collecting the renewed squeezed liquid. The test measuring cylinder is a measuring cylinder storing the renewed squeezed liquid. The first electronic balance is an electronic balance for weighing the mass of the test measuring cylinder and the squeezed impurities. An electronic balance is a balance that uses a strain sensor or a capacitive sensor to weigh the mass of an object. The mass of the liquid refers to the mass of the test measuring cylinder. The mass of the impurities is the mass of the squeezed impurities.

[0060] It should be understood that the technology of using an oil-water separator to perform separation operations on the renewed squeezed liquid and the technology of using a peroxide value detector to perform detection operations on the test millet oil are both existing technologies and will not be repeated here.

[0061] It should be explained that the test millet oil is the oil separated from the renewed squeezed liquid by the oil-water separator. The test oil volume is the volume of the test millet oil. The peroxide value is the value obtained by the peroxide value detector for testing the test millet oil. The quality evaluation value reflects the quality of the test millet oil. The higher the quality evaluation value, the better the quality of the test millet oil. The optimal pressing temperature represents the temperature at which the oil production effect is most ideal when the screw press is used for oil pressing.

[0062] Furthermore, the quality assessment function is as follows: ,in, is the quality assessment value, To test the oil level, The preset oil volume is marked. is the peroxide value, is the preset peroxide value threshold.

[0063] It should be explained that the oil content labeling value and peroxide value threshold are related to the chemical properties of the tested rice bran set and are set by the processor.

[0064] It should be understood that the rice bran in the inferior dry rice bran set contains impurities and is difficult to be used for formal oil pressing. Therefore, the present invention divides the inferior dry rice bran set into m test groups, uses the m test groups to press oil in a screw press, and tests the most suitable optimal pressing temperature for oil pressing, which is convenient for subsequent oil pressing of the high-quality dry rice bran set and improves the accuracy of temperature setting when pressing oil from the high-quality dry rice bran set.

[0065] S6. Setting the working temperature of the screw press to the optimal pressing temperature, obtaining a target screw press, and using the target screw press to perform a pressing operation on the high-quality dry rice bran collection to obtain a preliminary pressed rice bran collection and preliminary millet oil.

[0066] It should be explained that the target screw press is a screw press whose working temperature is set to the optimal pressing temperature. The preliminary pressed rice bran set is the oil residue left after the high-quality dry rice bran set is pressed by the target screw press. The preliminary millet oil is the oil squeezed out of the high-quality dry rice bran set in the target screw press.

[0067] S7, using a hydraulic press to press the preliminary pressed rice bran collection to obtain renewed millet oil.

[0068] In detail, the method of using a hydraulic press to perform a pressing operation on a preliminary pressed rice bran set to obtain updated millet oil includes: wherein the hydraulic press includes a hydraulic press and an oil tank; obtaining a pressure sequence of the hydraulic press, wherein the pressure sequence includes n initial pressure values; extracting the initial pressure values ​​from the pressure sequence in sequence, and performing the following operations on the extracted initial pressure values: using the initial pressure value to retrieve a target pressure value in the pressure sequence, wherein the target pressure value is adjacent to the extracted initial pressure value in the pressure sequence and lags behind the extracted initial pressure value; importing the extracted initial pressure value into a pre-started hydraulic press, and using the hydraulic press after the initial pressure value is imported to perform a pressing operation on the preliminary pressed rice bran set to obtain pressed millet oil; and importing the pressed millet oil into the oil tank. In the step of obtaining an updated oil tank, using a pre-built pressure sensor and a preset monitoring frequency to monitor the weight of the updated oil tank, and obtaining an oil production weight sequence, wherein the oil production weight sequence includes multiple oil production weights; obtaining a target weight difference based on the oil production weight sequence, and comparing the target weight difference with a preset weight difference threshold; if the target weight difference is less than the weight difference threshold, taking the target pressure value as the initial pressure value, and returning to the step of sequentially extracting the initial pressure values ​​from the pressure sequence, obtaining an updated weight difference, wherein the updated weight difference refers to the first target weight difference obtained based on the monitoring frequency after taking the target pressure value as the initial pressure value, and the updated weight difference is less than the weight difference threshold, then shutting down the hydraulic press, and using the updated oil tank to obtain updated millet oil.

[0069] It should be explained that the hydraulic press is the main part of the hydraulic press, and its main function is to apply pressure to the preliminary pressed rice bran set. The oil tank is a metal container used to collect the pressed millet oil in the hydraulic press. The pressure sequence is a sequence of n initial pressure values ​​sorted from small to large, and is obtained from the control system of the hydraulic press. The initial pressure value refers to the pressure value applied to the preliminary pressed rice bran set when the hydraulic press performs the pressing operation. The target pressure value is the initial pressure value in the pressure sequence that is adjacent to the extracted initial pressure value and lags behind the extracted initial pressure value. The updated oil tank refers to the oil tank after the pressed millet oil is introduced. The pressure sensor is a device or device that can convert the pressure change caused by the weight change of the updated oil tank into an electrical signal. The monitoring frequency is set by the processor. The oil production weight sequence includes multiple oil production weights, and the oil production weights are sorted from first to last according to the time corresponding to the monitoring frequency. The oil production weight refers to the pressure of the updated oil tank on the pressure sensor, and also represents the weight of the updated oil tank monitored by the pressure sensor.

[0070] It should be understood that the target weight difference obtained based on the oil production weight sequence refers to calculating the absolute difference between the last two oil production weights in the oil production weight sequence to obtain the target weight difference. The weight difference threshold is set by the processor. The use of the updated oil tank to obtain the updated millet oil refers to extracting all the pressed millet oil in the updated oil tank and summarizing them to obtain the updated millet oil.

[0071] It can be understood that the present invention gradually increases the initial pressure value of the hydraulic press performing the pressing operation to prevent the damage to the raw materials and the generation of more impurities due to the first initial pressure value being set too high. At the same time, when the updated weight difference is also less than the weight difference threshold, it means that more pressed millet oil cannot be obtained by changing the initial pressure value, and the pressurization process is automatically terminated, thereby improving the degree of automation of the pressing operation and reducing the pressing time.

[0072] S8. Summarize the preliminary millet oil and the updated millet oil to obtain mixed millet oil, and use the mixed millet oil to obtain the target millet oil.

[0073] It should be explained that the mixed millet oil refers to the preliminary millet oil and the updated millet oil after mixing. The use of the mixed millet oil to obtain the target millet oil refers to processing the mixed millet oil to reach the edible standard, for example, sequentially performing the steps of precipitation, filtration, degumming, deacidification, decolorization, dewaxing, deodorization and refining on the mixed millet oil, thereby improving the quality and safety of the oil, and the techniques of precipitation, filtration, degumming, deacidification, decolorization, dewaxing, deodorization and refining on the mixed millet oil are prior arts, which will not be repeated here.

[0074] S9, obtaining the vegetable oil to be blended, and obtaining the compound millet oil using the vegetable oil to be blended and the target millet oil, thereby completing the production of the compound millet oil.

[0075] In detail, the method of obtaining compound millet oil using the vegetable oil to be compounded and the target millet oil includes: placing the target millet oil into a pre-constructed third measuring cylinder to obtain a detection measuring cylinder, and obtaining the target oil volume using the detection measuring cylinder; and calculating the volume of the oil to be compounded using the target oil volume, and the calculation formula is as follows: ,in, is the volume of oil to be dispensed, is the preset scaling factor, is the target oil volume; using the pre-constructed fourth measuring cylinder, the volume of oil to be prepared and the vegetable oil to be prepared to obtain the target oil to be prepared; using the pre-constructed agitator to perform a mixing operation on the target oil to be prepared and the target millet oil to obtain the compound millet oil.

[0076] It should be explained that the vegetable oil to be prepared refers to the vegetable oil to be compounded with the target millet oil, such as corn oil, soybean oil, rapeseed oil, olive oil or peanut oil. Compound millet oil refers to the oil after the target millet oil and the vegetable oil to be prepared are mixed in a certain proportion. Compounding the target millet oil with the vegetable oil to be prepared can enhance the nutritional value, flavor and stability of the oil. The third graduated cylinder is a graduated cylinder for collecting the target millet oil. The detection graduated cylinder is the third graduated cylinder after the target millet oil is placed. The target oil volume refers to the volume of the target millet oil. The volume of oil to be prepared refers to the volume of the vegetable oil to be prepared required to obtain the compound millet oil. The proportional coefficient is pre-set by the processor. The main function of the fourth graduated cylinder is to measure the volume of the vegetable oil to be prepared. The target oil to be prepared refers to the vegetable oil to be prepared with a volume of the oil to be prepared. The main function of the agitator is to ensure that the target millet oil and the target oil to be prepared can be evenly mixed together to prevent stratification or unevenness. Optionally, MIXER DIRECT-TCM033VDD-24 is used as an agitator.

[0077] It should be understood that the use of a detection measuring cylinder to obtain the target oil volume refers to reading the indication on the detection measuring cylinder, and the indication is the target oil volume.

[0078] The present invention solves the problem described in the background technology. The present invention starts a pre-constructed millet processing system, wherein the millet processing system includes an emery roller rice milling machine, a density meter, a sifter, a millet dryer, a screw press, an oil-water separator, a peroxide value detector and a hydraulic press. It can be seen that the purpose of the embodiment of the present invention using a millet processing system integrating multiple devices is to improve production efficiency and automation; then, a millet sample set is obtained, and a high-quality rice bran set and a low-quality rice bran set are obtained by using the emery roller rice milling machine, the density meter and the millet sample set. It can be seen that the embodiment of the present invention classifies the obtained rice bran raw materials by introducing the emery roller rice milling machine and the density meter to obtain a high-quality rice bran set and a low-quality rice bran set, which is convenient for subsequent separate processing and realizes full utilization of the raw materials; the sifter is used The target high-quality rice bran set and the target low-quality rice bran set are obtained by using a separator, a high-quality rice bran set and a low-quality rice bran set. It can be seen that the embodiment of the present invention further screens the high-quality rice bran set and the low-quality rice bran set through a screen, thereby ensuring that the oil subsequently squeezed out of the target high-quality rice bran set has a higher product quality; a millet dryer is used to perform drying operations on the target high-quality rice bran set and the target low-quality rice bran set, respectively, to obtain a high-quality dried rice bran set and a low-quality dried rice bran set. It can be seen that the embodiment of the present invention effectively removes moisture from the rice bran by drying the target high-quality rice bran set and the target low-quality rice bran set, reduces the moisture content of the target high-quality rice bran set and the target low-quality rice bran set in the subsequent squeezing process, and improves the oil yield; a screw press, an oil-water separator, a peroxide value detector and The optimal pressing temperature is obtained for the inferior dry rice bran set. It can be seen that the embodiment of the present invention performs an oil pressing test on the inferior dry rice bran set, makes full use of the inferior raw materials, and obtains the optimal pressing temperature, which is convenient for the subsequent pressing of the high-quality dry rice bran set using the optimal pressing temperature, improves the accuracy of the process, and thus improves the oil yield and product quality of millet oil; the working temperature of the screw press is set to the optimal pressing temperature to obtain the target screw press, and the target screw press is used to perform a pressing operation on the high-quality dry rice bran set to obtain a preliminary pressed rice bran set and preliminary millet oil. It can be seen that the embodiment of the present invention provides an ideal temperature environment for the pressing operation by setting the working temperature of the screw press to the optimal pressing temperature, thereby improving the oil yield and product quality of millet oil; using The hydraulic press performs a pressing operation on the preliminary pressed rice bran collection to obtain updated millet oil. It can be seen that the embodiment of the present invention performs a secondary pressing on the incompletely pressed preliminary pressed rice bran collection through the hydraulic press, so as to make full use of the raw materials and improve the oil yield at the same time; the preliminary millet oil and the updated millet oil are summarized to obtain mixed millet oil, and the mixed millet oil is used to obtain the target millet oil. It can be seen that the embodiment of the present invention improves the product quality of the target millet oil by performing a series of processing on the mixed millet oil; the vegetable oil to be prepared is obtained, and the compound millet oil is obtained by using the vegetable oil to be prepared and the target millet oil to complete the production of the compound millet oil. It can be seen that the embodiment of the present invention improves the product quality by compounding the target millet oil with the vegetable oil to be prepared, so as to adapt to the dietary habits and health needs of different consumers.Therefore, the invention can improve the oil yield and product quality of millet oil and realize full utilization of raw materials.

[0079] like Figure 2 The figure shows a functional module diagram of a system for efficiently producing compound millet oil based on physical pressing provided by one embodiment of the present invention.

[0080] The efficient production system 100 of compound millet oil based on physical pressing of the present invention can be installed in an electronic device. According to the functions to be implemented, the efficient production system 100 of compound millet oil based on physical pressing can include a millet bran classification module 101, a pressing temperature acquisition module 102, a high-quality rice bran processing module 103 and a compound rice oil mixing module 104. The module of the present invention can also be referred to as a unit, which refers to a series of computer program segments that can be executed by an electronic device processor and can complete fixed functions, which are stored in the memory of the electronic device.

[0081] The millet bran classification module 101 is used to start a pre-built millet processing system, wherein the millet processing system includes an emery roller rice milling machine, a density meter, a sifter, a millet dryer, a screw press, an oil-water separator, a peroxide value detector and a hydraulic press, obtain a millet sample set, use the emery roller rice milling machine, the density meter and the millet sample set to obtain a high-quality rice bran set and a low-quality rice bran set, and use the sifter, the high-quality rice bran set and the low-quality rice bran set to obtain a target high-quality rice bran set and a target low-quality rice bran set; the pressing temperature acquisition module 102 is used to use the millet dryer to respectively The rice bran set and the target inferior rice bran set are both subjected to drying operation to obtain a high-quality dried rice bran set and an inferior dried rice bran set, and an optimal pressing temperature is obtained by using a screw press, an oil-water separator, a peroxide value detector and the inferior dried rice bran set; the high-quality rice bran processing module 103 is used to set the working temperature of the screw press to the optimal pressing temperature, obtain the target screw press, use the target screw press to perform a pressing operation on the high-quality dried rice bran set, obtain a preliminary pressed rice bran set and preliminary millet oil, and use a hydraulic press to perform a pressing operation on the preliminary pressed rice bran set to obtain updated millet oil; The compound rice oil mixing module 104 is used to summarize the preliminary millet oil and the updated millet oil to obtain the mixed millet oil, use the mixed millet oil to obtain the target millet oil, obtain the vegetable oil to be mixed, use the vegetable oil to be mixed and the target millet oil to obtain the compound millet oil, and complete the production of the compound millet oil.

[0082] In detail, the modules in the efficient production system 100 of compound millet oil based on physical pressing in the embodiment of the present invention are used in the same manner as above. Figure 1 The same technical means as the efficient production method of compound millet oil based on physical pressing described in the text can produce the same technical effects, so I will not go into details here.

[0083] like Figure 3 Detailed description is given of the structure of an electronic device for realizing a highly efficient production method of compound millet oil based on physical pressing provided by one embodiment of the present invention.

[0084] The electronic device 1 may include a processor 10, a memory 11 and a bus 12, and may also include a computer program stored in the memory 11 and executable on the processor 10, such as a program for an efficient production method of compound millet oil based on physical pressing.

[0085] Among them, the memory 11 includes at least one type of readable storage medium, and the readable storage medium includes flash memory, mobile hard disk, multimedia card, card-type memory (for example: SD or DX memory, etc.), magnetic memory, disk, optical disk, etc. In some embodiments, the memory 11 can be an internal storage unit of the electronic device 1, such as a mobile hard disk of the electronic device 1. In other embodiments, the memory 11 can also be an external storage device of the electronic device 1, such as a plug-in mobile hard disk, a smart memory card (Smart Media Card, SMC), a secure digital (SecureDigital, SD) card, a flash card (Flash Card), etc. equipped on the electronic device 1. Further, the memory 11 also includes an internal storage unit of the electronic device 1 and an external storage device. The memory 11 can not only be used to store application software and various types of data installed in the electronic device 1, such as the code of the program of the efficient production method of compound millet oil based on physical pressing, but also can be used to temporarily store data that has been output or is to be output.

[0086] The processor 10 may be composed of an integrated circuit in some embodiments, for example, a single packaged integrated circuit, or a plurality of packaged integrated circuits with the same or different functions, including one or more central processing units (CPUs), microprocessors, digital processing chips, graphics processors, and combinations of various control chips, etc. The processor 10 is the control core (Control Unit) of the electronic device, and uses various interfaces and lines to connect various components of the entire electronic device, and executes or executes programs or modules stored in the memory 11 (such as a program for a highly efficient production method of compound millet oil based on physical squeezing, etc.), and calls data stored in the memory 11, so as to execute various functions of the electronic device 1 and process data.

[0087] The bus 12 may be a peripheral component interconnect (PCI) bus or an extended industry standard architecture (EISA) bus, etc. The bus 12 may be divided into an address bus, a data bus, a control bus, etc. The bus 12 is configured to realize connection and communication between the memory 11 and at least one processor 10, etc.

[0088] Figure 3 Only an electronic device with components is shown, and those skilled in the art will understand that Figure 3 The structure shown does not constitute a limitation on the electronic device 1, and may include fewer or more components than shown in the figure, or combine certain components, or arrange the components differently.

[0089] For example, although not shown, the electronic device 1 may also include a power source (such as a battery) for supplying power to various components. Preferably, the power source may be logically connected to the at least one processor 10 through a power management device, so that the power management device can realize functions such as charging management, discharging management, and power consumption management. The power source may also include one or more DC or AC power sources, recharging devices, power failure detection circuits, power converters or inverters, power status indicators, and other arbitrary components. The electronic device 1 may also include a variety of sensors, Bluetooth modules, Wi-Fi modules, etc., which will not be repeated here.

[0090] Furthermore, the electronic device 1 may also include a network interface. Optionally, the network interface may include a wired interface and / or a wireless interface (such as a WI-FI interface, a Bluetooth interface, etc.), which is generally used to establish a communication connection between the electronic device 1 and other electronic devices.

[0091] Optionally, the electronic device 1 may further include a user interface, which may be a display, an input unit (such as a keyboard), or a standard wired interface or a wireless interface. Optionally, in some embodiments, the display may be an LED display, a liquid crystal display, a touch-sensitive liquid crystal display, and an OLED (Organic Light-Emitting Diode) touch device. The display may also be appropriately referred to as a display screen or a display unit, which is used to display information processed in the electronic device 1 and to display a visual user interface.

[0092] The program of the efficient production method of compound millet oil based on physical pressing stored in the memory 11 of the electronic device 1 is a combination of multiple instructions. When running in the processor 10, it can achieve: starting a pre-built millet processing system, wherein the millet processing system includes an emery roller rice milling machine, a density meter, a sifter, a millet dryer, a screw press, an oil-water separator, a peroxide value detector and a hydraulic press; obtaining a millet sample set, and using the emery roller rice milling machine, the density meter and the millet sample set to obtain a high-quality rice bran set and a low-quality rice bran set; using the sifter, the high-quality rice bran set and the low-quality rice bran set to obtain a target high-quality rice bran set and a target low-quality rice bran set; using the millet dryer to perform Drying operation is performed to obtain a high-quality dried rice bran set and a low-quality dried rice bran set; the optimal pressing temperature is obtained by using a screw press, an oil-water separator, a peroxide value detector and the low-quality dried rice bran set; the working temperature of the screw press is set to the optimal pressing temperature to obtain a target screw press, and the target screw press is used to perform a pressing operation on the high-quality dried rice bran set to obtain a preliminary pressed rice bran set and preliminary millet oil; a hydraulic press is used to perform a pressing operation on the preliminary pressed rice bran set to obtain updated millet oil; the preliminary millet oil and the updated millet oil are summarized to obtain mixed millet oil, and the mixed millet oil is used to obtain the target millet oil; the vegetable oil to be blended is obtained, and the compound millet oil is obtained by using the vegetable oil to be blended and the target millet oil to complete the production of the compound millet oil.

[0093] Specifically, the specific implementation method of the processor 10 for the above instructions can refer to Figures 1 to 3 The description of the relevant steps in the corresponding embodiments will not be repeated here.

[0094] Furthermore, if the module / unit integrated in the electronic device 1 is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. The computer-readable storage medium can be volatile or non-volatile. For example, the computer-readable medium can include: any entity or device capable of carrying the computer program code, a recording medium, a USB flash drive, a mobile hard disk, a magnetic disk, an optical disk, a computer memory, and a read-only memory (ROM).

[0095] The present invention also provides a computer-readable storage medium, wherein the computer program is stored in the computer program. When the computer program is executed by the processor of the electronic device, the computer program can realize: starting a pre-built millet processing system, wherein the millet processing system includes an emery roller rice milling machine, a density meter, a sifter, a millet dryer, a screw press, an oil-water separator, a peroxide value detector and a hydraulic press; obtaining a millet sample set, and using the emery roller rice milling machine, the density meter and the millet sample set to obtain a high-quality rice bran set and a low-quality rice bran set; using the sifter, the high-quality rice bran set and the low-quality rice bran set to obtain a target high-quality rice bran set and a target low-quality rice bran set; using the millet dryer to dry the target high-quality rice bran set and the target low-quality rice bran set respectively. Operation is performed to obtain a high-quality dry rice bran set and a low-quality dry rice bran set; the optimal pressing temperature is obtained by using a screw press, an oil-water separator, a peroxide value detector and the low-quality dry rice bran set; the working temperature of the screw press is set to the optimal pressing temperature to obtain a target screw press, and the target screw press is used to perform a pressing operation on the high-quality dry rice bran set to obtain a preliminary pressed rice bran set and preliminary millet oil; a hydraulic press is used to perform a pressing operation on the preliminary pressed rice bran set to obtain updated millet oil; the preliminary millet oil and the updated millet oil are summarized to obtain a mixed millet oil, and the mixed millet oil is used to obtain the target millet oil; the vegetable oil to be prepared is obtained, and the compound millet oil is obtained by using the vegetable oil to be prepared and the target millet oil, so as to complete the production of the compound millet oil.

[0096] In the several embodiments provided by the present invention, it should be understood that the disclosed devices, systems and methods can be implemented in other ways. For example, the system embodiments described above are only illustrative, and actual implementation may have other division methods.

[0097] The modules described as separate components may or may not be physically separated, and the components shown as modules may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0098] In addition, each functional module in each embodiment of the present invention may be integrated into one processing unit, each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of hardware plus software functional modules.

[0099] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention.

[0100] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. A method for efficiently producing composite millet oil based on physical pressing, characterized in that: The method comprises: starting a pre-built millet processing system, wherein the millet processing system comprises an emery roller rice milling machine, a density meter, a sifter, a millet dryer, a screw press, an oil-water separator, a peroxide value detector and a hydraulic press; obtaining a millet sample set, and obtaining a high-quality rice bran set and a low-quality rice bran set by using the emery roller rice milling machine, the density meter and the millet sample set; obtaining a target high-quality rice bran set and a target low-quality rice bran set by using the sifter, the high-quality rice bran set and the low-quality rice bran set; performing drying operations on the target high-quality rice bran set and the target low-quality rice bran set by using the millet dryer, respectively, to obtain a high-quality dried rice bran set and a low-quality dried rice bran set; and using a screw press to obtain a high-quality dried rice bran set and a low-quality dried rice bran set. The machine, oil-water separator, peroxide value detector and inferior dry rice bran set are used to obtain the optimal pressing temperature; the working temperature of the screw press is set to the optimal pressing temperature to obtain the target screw press, and the target screw press is used to perform a pressing operation on the high-quality dry rice bran set to obtain a preliminary pressed rice bran set and preliminary millet oil; a hydraulic press is used to perform a pressing operation on the preliminary pressed rice bran set to obtain updated millet oil; the preliminary millet oil and the updated millet oil are summarized to obtain mixed millet oil, and the mixed millet oil is used to obtain the target millet oil; the vegetable oil to be blended is obtained, and the compound millet oil is obtained by using the vegetable oil to be blended and the target millet oil to complete the production of the compound millet oil.

2. The efficient production method of composite millet oil based on physical squeezing as claimed in claim 1, characterized in that, The method of obtaining a high-quality rice bran set and a low-quality rice bran set by using an emery roller rice milling machine, a density meter and a millet sample set comprises: using an emery roller rice milling machine to perform a rolling operation on the millet sample set to obtain a preliminary millet set, wherein a roller gap at which the emery roller rice milling machine performs a rolling operation on the millet sample set is preset as a first roller gap; using the preliminary millet set to obtain a preliminary sample set, using a density meter to perform a measurement operation on the preliminary sample set to obtain a preliminary millet density, and comparing the preliminary millet density with a preset first density threshold; if the preliminary millet density is less than or equal to the first density threshold, treating the preliminary millet set as a preliminary millet set; The millet sample set is returned to the step of using the emery roller rice milling machine to perform a milling operation on the millet sample set; if the preliminary millet density is greater than the first density threshold, the emery roller rice milling machine is used to perform a milling operation on the preliminary millet set, wherein the roller gap of the emery roller rice milling machine for performing the milling operation on the preliminary millet set is preset as the second roller gap, and an updated millet set and a first rice bran set are obtained, and the first rice bran set is placed in a pre-constructed first collector to obtain a first target collector; an updated sample set is obtained by using the updated millet set, and a density meter is used to perform a measurement operation on the updated sample set to obtain an updated millet set. rice density, compare the updated millet density with a preset second density threshold; if the updated millet density is less than or equal to the second density threshold, use the updated millet set as the preliminary millet set, and return to the step of using the emery roller rice milling machine to perform a rolling operation on the preliminary millet set; if the updated millet density is greater than the second density threshold, use the first target collector to obtain the inferior rice bran set, and use the emery roller rice milling machine to perform a rolling operation on the updated millet set, wherein the roller gap for the emery roller rice milling machine to perform a rolling operation on the updated millet set is preset as the third roller gap, obtain the target millet set and the second rice bran set, and place the second rice bran set into the pre-constructed second collector to obtain the second target collector; use the target millet set to obtain the target sample set, use the density meter to perform a measurement operation on the target sample set, obtain the target millet density, and compare the target millet density with the preset third density threshold; if the target millet density is less than or equal to the third density threshold, use the target millet set as the updated millet set, and return to the step of using the emery roller rice milling machine to perform a rolling operation on the updated millet set; if the target millet density is greater than the third density threshold, use the second target collector to obtain the high-quality rice bran set.

3. The efficient production method of composite millet oil based on physical squeezing as claimed in claim 2, characterized in that, The method of using a sifter, a high-quality rice bran set and a low-quality rice bran set to obtain a target high-quality rice bran set and a target low-quality rice bran set comprises: wherein the sifter comprises a first sieve and a second sieve; using the first sieve to perform a sifting operation on the low-quality rice bran set to obtain an updated low-quality rice bran set; using the second sieve to perform a sifting operation on the high-quality rice bran set to obtain a target high-quality rice bran set and an updated impurity rice bran set; and summarizing the updated impurity rice bran set and the updated low-quality rice bran set to obtain a target low-quality rice bran set.

4. The efficient production method of composite millet oil based on physical squeezing as claimed in claim 3, characterized in that, The method utilizes a millet dryer to perform drying operations on a target high-quality rice bran set and a target low-quality rice bran set respectively to obtain a high-quality dried rice bran set and a low-quality dried rice bran set, comprising: wherein the millet dryer comprises a dryer and a capacitive moisture meter; performing an equal division operation on the target high-quality rice bran set to obtain a high-quality rice bran group set, wherein the high-quality rice bran group set comprises a plurality of high-quality rice bran groups; extracting a high-quality rice bran group from the high-quality rice bran group set, recording the high-quality rice bran group set after the high-quality rice bran group is extracted as an updated rice bran group set, and performing the following operations on the high-quality rice bran group: starting the dryer, The temperature when the dryer performs a drying operation is preset as the initial drying temperature, the time of starting the dryer is taken as the first initial time, the first initial time is taken as the starting point and the time is recorded in real time to obtain the drying time, and the started dryer is used to perform a drying operation on the high-quality rice bran group to obtain the high-quality dried rice bran group; when the drying time reaches a preset drying time threshold, the dryer is turned off, and a capacitive moisture meter is used to perform a detection operation on the high-quality dried rice bran group to obtain the high-quality moisture content; the high-quality moisture content is compared with a preset minimum moisture threshold, and if the high-quality moisture content is less than the preset minimum moisture threshold, at the minimum moisture threshold, the updated drying time is calculated using the high-quality moisture content, the minimum moisture threshold and the drying time threshold, the updated drying time is used as the drying time threshold, the updated rice bran group set is used as the high-quality rice bran group set, and the step of extracting the high-quality rice bran group from the high-quality rice bran group set is returned until the high-quality rice bran group does not exist in the high-quality rice bran group set; if the high-quality moisture content is greater than or equal to the minimum moisture threshold, the high-quality moisture content is compared with the preset maximum moisture threshold; if the high-quality moisture content is greater than the maximum moisture threshold, the high-quality dried rice bran group is used as the high-quality rice bran group, and the step of starting the dryer is returned; if the high-quality moisture content is less than or equal to the maximum moisture threshold, the high-quality dried rice bran group corresponding to the high-quality moisture content is stored in a pre-constructed rice bran storage bin to obtain an updated storage bin, the updated storage bin is used as the rice bran storage bin, the updated rice bran group set is used as the high-quality rice bran group set, and the step of extracting the high-quality rice bran group from the high-quality rice bran group set is returned until the high-quality rice bran group does not exist in the high-quality rice bran group set; the high-quality dried rice bran set is extracted from the updated storage bin; and the low-quality dried rice bran set is obtained based on the target low-quality rice bran set.

5. The efficient production method of composite millet oil based on physical squeezing as claimed in claim 4, characterized in that, The formula for calculating the updated drying time is as follows: ,in, To update the drying time, is the drying time threshold, is a natural constant, is the minimum moisture threshold, High quality moisture content.

6. The efficient production method of composite millet oil based on physical squeezing as claimed in claim 5, characterized in that, The method uses a screw press, an oil-water separator, a peroxide value detector and a low-quality dry rice bran set to obtain an optimal pressing temperature, comprising: obtaining a test temperature set of the screw press, wherein the test temperature set includes m test temperatures; dividing the low-quality dry rice bran set into m test rice bran sets, and using the m test rice bran sets and the m test temperatures to identify m test groups, wherein each of the m test groups includes a test rice bran set and a test temperature, and the test rice bran set corresponds to the test temperature one by one; performing the following operations on each of the m test groups: setting the screw press to a test temperature set; and The working temperature of the press is the test temperature in the test group, and the test press is obtained; the test press is used to perform a pressing operation on the test rice bran set in the test group to obtain a preliminary pressed liquid; the preliminary pressed liquid is filtered using a pre-constructed filter to obtain an updated pressed liquid and pressed impurities; the updated pressed liquid is collected using a pre-constructed first measuring cylinder to obtain a test measuring cylinder; the test measuring cylinder and the pressed impurities are weighed using a pre-constructed first electronic balance to obtain a liquid mass and an impurity mass; the impurity ratio is calculated using the liquid mass and the impurity mass, and the calculation formula is as follows: ,in, is the impurity ratio, is the impurity mass, is the mass of liquid, is the mass of the first measuring cylinder; after placing the updated squeezed liquid in the test measuring cylinder into an oil-water separator, the oil-water separator is used to perform a separation operation on the updated squeezed liquid to obtain a test millet oil; a pre-constructed second measuring cylinder is used to perform a measurement operation on the test millet oil to obtain a test oil volume; a peroxide value detector is used to perform a detection operation on the test millet oil to obtain a peroxide value; a quality evaluation value of the test millet oil is calculated using a pre-constructed quality evaluation function, the test oil volume and the peroxide value; the quality evaluation values ​​are summarized to obtain m quality evaluation values; the largest quality evaluation value among the m quality evaluation values ​​is used as the target evaluation value, and the working temperature corresponding to the target evaluation value is used as the optimal pressing temperature.

7. The efficient production method of composite millet oil based on physical squeezing as claimed in claim 6, characterized in that, The quality assessment function is as follows: ,in, is the quality assessment value, To test the oil level, The preset oil volume is marked. is the peroxide value, is the preset peroxide value threshold.

8. The efficient production method of composite millet oil based on physical squeezing as claimed in claim 7, characterized in that, The method of using a hydraulic press to perform a pressing operation on a preliminary pressed rice bran set to obtain updated millet oil comprises: wherein the hydraulic press comprises a hydraulic press and an oil tank; obtaining a pressure sequence of the hydraulic press, wherein the pressure sequence comprises n initial pressure values; extracting the initial pressure values ​​from the pressure sequence in sequence, and performing the following operations on the extracted initial pressure values: retrieving a target pressure value from the pressure sequence using the initial pressure value, wherein the target pressure value is adjacent to the extracted initial pressure value in the pressure sequence and lags behind the extracted initial pressure value; importing the extracted initial pressure value into a pre-started hydraulic press, and using the hydraulic press after the initial pressure value is imported to perform a pressing operation on the preliminary pressed rice bran set to obtain pressed millet oil; importing the pressed millet oil into the oil tank, An updated oil tank is obtained, and the weight of the updated oil tank is monitored by using a pre-built pressure sensor and a preset monitoring frequency to obtain an oil production weight sequence, wherein the oil production weight sequence includes multiple oil production weights; a target weight difference is obtained based on the oil production weight sequence, and the target weight difference is compared with a preset weight difference threshold; if the target weight difference is less than the weight difference threshold, the target pressure value is used as the initial pressure value, and the step of sequentially extracting the initial pressure values ​​from the pressure sequence is returned to obtain an updated weight difference, wherein the updated weight difference refers to the first target weight difference obtained based on the monitoring frequency after the target pressure value is used as the initial pressure value, and the updated weight difference is less than the weight difference threshold, then the hydraulic press is turned off, and the updated millet oil is obtained by using the updated oil tank.

9. The efficient production method of composite millet oil based on physical squeezing as claimed in claim 8, characterized in that, The method of obtaining compound millet oil by using the vegetable oil to be compounded and the target millet oil comprises: placing the target millet oil into a pre-constructed third measuring cylinder to obtain a detection measuring cylinder, and obtaining the target oil volume by using the detection measuring cylinder; and calculating the volume of the oil to be compounded by using the target oil volume, and the calculation formula is as follows: ,in, is the volume of oil to be dispensed, is the preset scaling factor, is the target oil volume; using the pre-constructed fourth measuring cylinder, the volume of oil to be prepared and the vegetable oil to be prepared to obtain the target oil to be prepared; using the pre-constructed agitator to perform a mixing operation on the target oil to be prepared and the target millet oil to obtain the compound millet oil.

10. An efficient production system of composite millet oil based on physical pressing, characterized in that: The system comprises: a millet bran classification module, which is used to start a pre-built millet processing system, wherein the millet processing system comprises an emery roller rice milling machine, a density meter, a sifter, a millet dryer, a screw press, an oil-water separator, a peroxide value detector and a hydraulic press, to obtain a millet sample set, to obtain a high-quality rice bran set and a low-quality rice bran set by using the emery roller rice milling machine, the density meter and the millet sample set, to obtain a target high-quality rice bran set and a target low-quality rice bran set by using the sifter, the high-quality rice bran set and the low-quality rice bran set; a pressing temperature acquisition module, which is used to perform drying operations on the target high-quality rice bran set and the target low-quality rice bran set respectively by using the millet dryer to obtain a high-quality dried rice bran set and a low-quality dried rice bran set, and to obtain a high-quality dried rice bran set and a low-quality dried rice bran set by using the screw press. The machine, oil-water separator, peroxide value detector and inferior dry rice bran set are used to obtain the optimal pressing temperature; the high-quality rice bran processing module is used to set the working temperature of the screw press to the optimal pressing temperature, obtain the target screw press, use the target screw press to perform a pressing operation on the high-quality dry rice bran set, obtain a preliminary pressed rice bran set and preliminary millet oil, use a hydraulic press to perform a pressing operation on the preliminary pressed rice bran set, and obtain updated millet oil; the compound rice oil mixing module is used to summarize the preliminary millet oil and updated millet oil to obtain mixed millet oil, use the mixed millet oil to obtain the target millet oil, obtain the vegetable oil to be prepared, and use the vegetable oil to be prepared and the target millet oil to obtain the compound millet oil, so as to complete the production of the compound millet oil.

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