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CN-122011221-A - Pre-gelatinization control method, device and equipment of roller drying equipment and storage medium

CN122011221ACN 122011221 ACN122011221 ACN 122011221ACN-122011221-A

Abstract

The application discloses a pregelatinization control method, a pregelatinization control device, pregelatinization control equipment and a storage medium of a roller dryer. The method comprises the steps of S11, comparing the real-time temperature of materials on a roller with the standard gelatinization temperature, entering a step S12 if the real-time temperature of the materials on the roller is equal to the standard gelatinization temperature, S12, calculating a first expected discharging water content based on the current starch milk feeding speed, the roller rotating speed, the water content in starch milk feeding and the expected moisture discharging amount of the roller rotating for one circle at the current roller rotating speed, S13, determining whether the first expected discharging water content meets the requirement, entering a step S14 if the first expected discharging water content meets the requirement, entering a step S15 if the first expected discharging water content does not meet the requirement, entering a step S14, maintaining the starch milk feeding speed and the roller rotating speed unchanged, and adjusting the starch milk feeding speed and the roller rotating speed. The embodiment of the application can realize the dynamic adjustment of production parameters, correct the gelatinization degree and the moisture index of the product in time, further reduce the waste, reduce the production cost and improve the production efficiency.

Inventors

  • LIN HONG
  • LIANG ZHANTAO
  • HE SONG

Assignees

  • 广东广益科技实业有限公司

Dates

Publication Date
20260512
Application Date
20260202

Claims (15)

  1. 1. A pregelatinization control method of a roller drying apparatus, comprising: s11, comparing the real-time temperature of the material on the roller with the standard gelatinization temperature, and if the real-time temperature of the material on the roller is equal to the standard gelatinization temperature, entering a step S12; S12, calculating a first expected discharging water content in a trial mode based on the current starch milk feeding speed, the rotating speed of the roller, the water content in starch milk feeding and the expected discharging moisture content of the roller rotating for one circle at the current rotating speed of the roller, wherein the expected discharging moisture content is obtained based on the collected historical discharging moisture data; s13, determining whether the water content of the first expected discharging material meets the requirement, if so, entering a step S14, and if not, entering a step S15; s14, maintaining the starch milk feeding speed and the roller rotating speed unchanged; s15, adjusting the feeding speed of the starch milk and the rotating speed of the roller.
  2. 2. The method for controlling pregelatinization according to claim 1, wherein, If the real-time temperature of the materials on the roller is greater than the standard gelatinization temperature, substituting a preset value of the starch milk feeding speed and a preset value of the duration of one rotation of the roller into a trial-and-error formula to calculate a second expected discharging water content, and if the second expected discharging water content meets the requirement, adjusting the starch milk feeding speed according to the preset value of the starch milk feeding speed and adjusting the rotating speed of the roller according to the preset value of the duration of one rotation of the roller; If the real-time temperature of the materials on the roller is smaller than the standard gelatinization temperature, substituting the preset value of the starch milk feeding speed and the preset value of the duration of one circle of rotation of the roller into the trial calculation formula to calculate a third expected water content, and if the third expected water content meets the requirement, adjusting the starch milk feeding speed according to the preset value of the starch milk feeding speed and adjusting the rotating speed of the roller according to the preset value of the duration of one circle of rotation of the roller.
  3. 3. The method for controlling pregelatinization according to claim 2, wherein, If the water content of the second expected discharging material does not meet the requirement, alarm operation is carried out, and/or, And if the water content of the third expected discharging material does not meet the requirement, carrying out alarm operation.
  4. 4. The pregelatinization control method of claim 1, wherein the real-time temperature of the material on the drum is the material temperature at the start point of gelatinization on the surface of the drum.
  5. 5. The pregelatinization control method according to any one of claims 1 to 4, wherein, The water content of each expected discharge is obtained through trial calculation according to the following formula: M Feeding in *（D Feeding in -D Out of ）*m=∫ 0 m ((F(t)*H(t))dt Wherein M Feeding in is the feeding speed of the starch milk, M is the time length of one rotation of the roller, D Feeding in is the water content in the feeding of the starch milk, D Out of is the expected discharging water content, F (t) and H (t) are the moisture discharge flow and humidity at the time of discharging the moisture t respectively, and n 0 m ((F (t) x H (t)) dt is the expected moisture discharge obtained by integrating the moisture discharge flow and humidity collected at each time in the latest M time length.
  6. 6. The pregelatinization control method of claim 5, wherein the real-time temperature of the material on the drum, the starch milk feed rate, the drum rotational speed, the moisture removal flow rate and the humidity are obtained in real time every set time period, and are subjected to trial calculation and stored to form a history database.
  7. 7. The pregelatinization control method according to any one of claims 1 to 4, wherein the relationship between the starch milk feed rate and the length of time for which the drum rotates one revolution satisfies the following formula: mjm=starch volume on drum x starch milk specific gravity Wherein M Feeding in is the feeding speed of the starch milk, and M is the time length of one circle of rotation of the roller.
  8. 8. A pregelatinization control device of a roller drying apparatus, comprising a module for executing the pregelatinization control method according to any one of claims 1 to 7.
  9. 9. A drum drying device comprising a control device, the control device comprising a memory and a processor; The memory is connected to the processor, and the memory is used for storing a computer program, and the processor is used for calling the computer program to enable the computer device to execute the pregelatinization control method according to any one of claims 1 to 7.
  10. 10. The drum drying apparatus according to claim 9, further comprising a drum, a feeding device, a tachometer sensor for detecting a rotational speed of the drum, and a flowmeter for detecting a feeding speed of starch milk from the feeding device, wherein the processor acquires the detection results of the tachometer sensor and the flowmeter in real time.
  11. 11. The drum drying device as claimed in claim 9, further comprising a temperature sensor for detecting a real-time temperature of the material on the drum, wherein the processor acquires a detection result of the temperature sensor in real time.
  12. 12. The drum drying device as claimed in claim 11, wherein the drum is provided outside with a drum cover having an opened upper end, and the temperature sensor is provided inside the drum cover.
  13. 13. The roller drying equipment is characterized by comprising a control device, a roller and a moisture removal detection sensor, wherein the moisture removal detection sensor is used for detecting real-time moisture removal flow and moisture, the control device comprises a memory and a processor, and the processor acquires the detection result of the moisture removal detection sensor in real time; The memory is connected to the processor, and the memory is used for storing a computer program, and the processor is used for calling the computer program to enable the computer device to execute the pregelatinization control method according to claim 5 or 6.
  14. 14. The drum drying device as claimed in claim 13, further comprising a moisture discharging hood disposed above the drum, the moisture discharging detection sensor being disposed on top of the moisture discharging hood.
  15. 15. A computer readable storage medium, characterized in that the computer readable storage medium stores a computer program adapted to be loaded by a processor and to perform the pregelatinization control method according to any of claims 1 to 7.

Description

Pre-gelatinization control method, device and equipment of roller drying equipment and storage medium Technical Field The present application relates to the field of computer technologies, and in particular, to a method, an apparatus, a device, and a storage medium for controlling pregelatinization of a drum drying device. Background The method is characterized in that the pregelatinized starch is produced by a roller drying equipment method, the pregelatinization process can be controlled through a preset program, such as preset roller rotating speed, feeding speed and heating intensity, so as to control the gelatinization degree and moisture index of the product, but because the disturbance of the production operation state (such as the clamping of the roller, the clamping of the feeding, the fluctuation of the air flow, the fluctuation of the heat transfer and the like) in the pregelatinization process is controlled through the preset program, the environmental condition change is complex, the gelatinization degree and the moisture index of the product cannot meet the expected requirement, no technical measure for dynamically adjusting the real-time dynamic change of the condition of the pregelatinization process exists at present, the gelatinization degree and the moisture index cannot meet the requirement only after the collected processed product is detected, and then the feeding speed, the roller rotating speed and the like are adjusted, but the products with unqualified gelatinization degree and moisture are produced in batches at this moment, so that waste is caused, and the production cost is increased. Disclosure of Invention Embodiments of the present application provide a method and apparatus for controlling pregelatinization of a drum drying device, a computer readable storage medium, and a computer program product, which can solve at least one technical problem mentioned in the background art. In view of this, in a first aspect, an embodiment of the present application provides a pregelatinization control method of a drum drying apparatus, including: s11, comparing the real-time temperature of the material on the roller with the standard gelatinization temperature, and if the real-time temperature of the material on the roller is equal to the standard gelatinization temperature, entering a step S12; S12, calculating a first expected discharging water content in a trial mode based on the current starch milk feeding speed, the rotating speed of the roller, the water content in starch milk feeding and the expected discharging moisture content of the roller rotating for one circle at the current rotating speed of the roller, wherein the expected discharging moisture content is obtained based on the collected historical discharging moisture data; s13, determining whether the water content of the first expected discharging material meets the requirement, if so, entering a step S14, and if not, entering a step S15; s14, maintaining the starch milk feeding speed and the roller rotating speed unchanged; s15, adjusting the feeding speed of the starch milk and the rotating speed of the roller. Optionally, if the real-time temperature of the material on the roller is greater than the standard gelatinization temperature, substituting the preset value of the starch milk feeding speed and the preset value of the duration of one rotation of the roller into a trial-and-error formula to calculate a second expected water content, and if the second expected water content meets the requirement, adjusting the starch milk feeding speed according to the preset value of the starch milk feeding speed and adjusting the rotating speed of the roller according to the preset value of the duration of one rotation of the roller; If the real-time temperature of the materials on the roller is smaller than the standard gelatinization temperature, substituting the preset value of the starch milk feeding speed and the preset value of the duration of one circle of rotation of the roller into the trial calculation formula to calculate a third expected water content, and if the third expected water content meets the requirement, adjusting the starch milk feeding speed according to the preset value of the starch milk feeding speed and adjusting the rotating speed of the roller according to the preset value of the duration of one circle of rotation of the roller. Optionally, if the second desired output water content is not satisfactory, an alarm operation is performed, and/or, And if the water content of the third expected discharging material does not meet the requirement, carrying out alarm operation. Optionally, the real-time temperature of the material on the drum is the temperature of the material at the start point of gelatinization on the surface of the drum. Optionally, each expected output water content is calculated according to the following formula: M Feeding in *（D Feeding in -D Out of ）*m=∫0m((F(t)*H(t))dt Wherein M Fe