CN112629188B - Rice flour cold-hot circulation drying method and system - Google Patents

Rice flour cold-hot circulation drying method and system Download PDF

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Publication number
CN112629188B
CN112629188B CN202110034828.9A CN202110034828A CN112629188B CN 112629188 B CN112629188 B CN 112629188B CN 202110034828 A CN202110034828 A CN 202110034828A CN 112629188 B CN112629188 B CN 112629188B
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fan
preset
rice flour
rotating speed
time
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CN112629188A (en
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朱远昶
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Guiping Sanxunji Food Co ltd
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Guiping Sanxunji Food Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
    • F26B9/08—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers including agitating devices, e.g. pneumatic recirculation arrangements
    • F26B9/082—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers including agitating devices, e.g. pneumatic recirculation arrangements mechanically agitating or recirculating the material being dried
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L7/00—Cereal-derived products; Malt products; Preparation or treatment thereof
    • A23L7/10—Cereal-derived products
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply
    • F26B21/12—Velocity of flow; Quantity of flow, e.g. by varying fan speed, by modifying cross flow area
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/02—Applications of driving mechanisms, not covered by another subclass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/22—Controlling the drying process in dependence on liquid content of solid materials or objects

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention relates to a rice flour cold-hot circulation drying method and system, which comprises a box body, wherein a fan is fixedly arranged at the top of the box body, sliding pipes are fixedly connected to the left side of the top of the inner wall of the box body and the right side of the top of the inner wall, a first spring is fixedly connected to the top of the inner wall of the sliding pipes, a sliding rod is fixedly connected to the end part of the first spring, a supporting plate is fixedly connected to the bottom of the sliding rod, a toothed plate is fixedly connected to the side, away from the vertical central line of the front surface of the box body, of the supporting plate, a transmission gear is meshed with the surface of the toothed plate, motors are fixedly arranged on the left side of the rear side of the inner wall of the box body and the right side of the rear side of the inner wall, and the output end of the motor is fixedly connected with a rotating shaft. The regulation of temperature in the box is realized to the regulation of fan and motor through well accuse unit to improve the drying efficiency of ground rice, reach the effect of carrying out fast drying to ground rice, avoided ground rice to be in the condition emergence that the high temperature state leads to stifled phenomenon of cooking for a long time, ensured the ground rice taste, the practicality is better.

Description

Rice flour cold-hot circulation drying method and system
Technical Field
The invention relates to the technical field of rice flour processing, in particular to a rice flour cold and hot circulating drying method and system.
Background
Rice flour is a special snack in southern China, and people on the right of the river are usually called flour. The rice flour is a strip-shaped or filiform rice product prepared by soaking, cooking, layering and other processes with rice as a raw material, and is not a powdery material prepared by grinding the rice as the raw material, which is understood in terms of meaning. Oven drying refers to a process in which the solvent is removed in some way to preserve the solids content.
Present ground rice stoving means in market adopts simple air heater to weather or dry naturally mostly, and drying efficiency is lower, is difficult to carry out fast drying to the ground rice, is difficult to promote ground rice drying efficiency, and uses the air heater to dry to the ground rice for a long time and can make the ground rice can appear stifling boiling phenomenon, influences the ground rice taste, and the practicality is relatively poor, and drying efficiency is low.
In conclusion, the prior art is also lacking a system and method for improving the drying efficiency of rice noodles through a cold-hot alternating cycle.
Disclosure of Invention
Therefore, the invention provides a rice flour cold-hot circulation drying method and system, which are used for overcoming the problem that the drying efficiency of rice flour is not improved through cold-hot alternating circulation in the prior art.
In order to achieve the above object, the present invention provides a rice flour cold and hot circulation drying system, comprising:
the front surface of the box body is hinged with a movable door through a hinge, the bottom surface of the box body is fixedly connected with supporting legs, a plurality of temperature detectors and humidity detectors are arranged in the box body and used for detecting real-time temperature and humidity in the box body, and a camera and a moisture detector are further arranged in the box body and used for shooting rice flour and measuring the water content in the rice flour;
the fan is arranged on the sliding rail at the top of the box body and used for enabling the fan to move on the sliding rail, and the fan is provided with a rotating speed velocimeter used for detecting the rotating speed of the fan;
the first spring is fixedly connected with the tops of the inner walls of the sliding pipes arranged on the left side of the top of the inner wall and on the right side of the top of the inner wall of the box body, the end part of the first spring is fixedly connected with a sliding rod, the bottom of the sliding rod is fixedly connected with a supporting plate, the bottom of the supporting plate is fixedly connected with a bottom plate, the top surface and the bottom surface of the bottom plate are communicated with filter tanks, the left side surface and the right side surface of the bottom plate are fixedly connected with connecting rods, the end part of each connecting rod is fixedly connected with a sliding block, the bottom of the left side of the inner wall of the box body and the bottom of the right side of the inner wall are both provided with sliding grooves, and the surfaces of the sliding blocks are in sliding connection with the inner walls of the sliding grooves so as to enable the supporting plate to move up and down when the first spring is elastically deformed;
the motor is arranged on the left side of the rear side of the inner wall of the box body and the right side of the rear side of the inner wall, a rotating shaft is fixedly connected to the output end of the motor, the front end of the rotating shaft is rotatably connected with the inner wall of the box body through the rotating shaft, a toothed plate is fixedly connected to the side, away from the vertical central line of the front side of the box body, of the supporting plate, a transmission gear is meshed with the surface of the toothed plate, the transmission gear is fixedly sleeved in the middle of the surface of the rotating shaft and used for enabling the supporting plate to move up and down due to elastic deformation of the first spring when the toothed plate is meshed with the transmission gear due to rotation of the motor, and a second rotating speed velocimeter is arranged on the motor;
the water collecting tank is arranged on the bottom surface of the inner wall of the box body, and a valve is arranged at the bottom of the water collecting tank;
the central control unit is arranged outside the box body, is respectively connected with the camera, the moisture detector, the fan, the second rotating speed velocimeter, the temperature detector, the humidity detector and the rotating speed velocimeter, and adjusts working parameters of the camera, the moisture detector, the second rotating speed velocimeter, the temperature detector, the humidity detector and the rotating speed velocimeter;
the central control unit determines different drying reference value coefficients according to different types of rice flour to be dried, determines a drying reference value y according to the determined drying reference value coefficients and the water content and the size of the rice flour to be dried, determines the rotating speed of a fan and the working time of the fan under the working state of hot air and cold air according to the drying reference value y, sets the highest value of temperature data collected in real time to be TX according to data of a plurality of temperature sensors received in real time, sets the lowest value of the temperature collected in real time to be TN, determines the sliding speed of the fan according to the difference between the highest temperature and the lowest temperature collected in real time, determines a real-time drying environment reference value z according to the data of a temperature detector, a humidity detector, a camera and a moisture analyzer received in real time when the fan runs to preset time according to determined working parameters, and adjusting the rotating speed and the working time of the fan according to the drying environment reference value z determined in real time, and simultaneously determining the rotating speed of the motor until the drying work of the rice noodles is completed.
Further, the central control unit determines a drying reference value y of the rice flour to be dried according to the water content and the size of the rice flour to be dried,
y＝a×H/H0+b×C/C0
wherein y represents a drying reference value, a represents a rice flour moisture content coefficient, b represents a rice flour size coefficient, H represents a moisture content of rice flour, H0 represents a preset moisture content of rice flour, C represents a size of rice flour, and C0 represents a preset size of rice flour.
Further, a rice flour type matrix A and a coefficient matrix B are preset in the central control unit;
for the rice flour kind matrix a (a1, a2, A3 … An), wherein a1 represents a first preset rice flour kind, a2 represents a second preset rice flour kind, A3 represents a third preset rice flour kind, An represents An nth preset rice flour kind;
for coefficient matrix B (a1, B1, a2, B2, a3, B3 … an, bn), where a1 represents a first preset rice flour moisture content coefficient, B1 represents a first preset rice flour size coefficient, a2 represents a second preset rice flour moisture content coefficient, B2 represents a second preset rice flour size coefficient, a3 represents a third preset rice flour moisture content coefficient, B3 represents a third preset rice flour size coefficient, an represents an nth preset rice flour moisture content coefficient, and bn represents an nth preset rice flour size coefficient.
Further, the central control unit determines the coefficient in the reference value for drying the rice flour according to the actual type AS of the rice flour,
when AS is not more than A1, selecting a1 AS the water content coefficient of the rice flour and b1 AS the size coefficient of the rice flour by the central control unit;
when A1 is more than AS and less than or equal to A2, the central control unit selects a2 AS the water content coefficient of the rice flour and b2 AS the size coefficient of the rice flour;
when A2 is more than AS and less than or equal to A3, the central control unit selects A3 AS the water content coefficient of the rice flour and b3 AS the size coefficient of the rice flour;
when A (n-1) < AS is not more than An, the central control unit selects An AS the water content coefficient of the rice flour, and bn is the size coefficient of the rice flour;
when the drying reference value y is calculated by the central control unit by using ai and bi, i is equal to 1, 2, 3 … n, and y is equal to ai × H/H0+ bi × C/C0.
Furthermore, a hot air parameter matrix VF of the fan and a cold air parameter matrix VL of the fan are preset in the central control unit;
for a hot air parameter matrix VF (VF1, TF1, VF2, TF2, VF3, TF3 … VFn, TFn) of the fan, wherein VF1 represents a first preset fan speed when the fan blows hot air, TF1 represents a first preset operating time when the fan blows hot air, VF2 represents a second preset fan speed when the fan blows hot air, TF2 represents a second preset operating time when the fan blows hot air, VF3 represents a third preset fan speed when the fan blows hot air, TF3 represents a third preset operating time when the fan blows hot air, VFn represents an nth preset fan speed when the fan blows hot air, and TFn represents an nth preset operating time when the fan blows hot air;
the method comprises the steps of obtaining a cold air parameter matrix VL (VL1, TL1, VL2, TL2, VL3, TL3 … VLn and TLn) of the fan, wherein VL1 represents a first preset fan rotating speed when the fan blows out cold air, TL1 represents a first preset working time when the fan blows out cold air, VL2 represents a second preset fan rotating speed when the fan blows out cold air, TL2 represents a second preset working time when the fan blows out cold air, VL3 represents a third preset fan rotating speed when the fan blows out cold air, TL3 represents a third preset working time when the fan blows out cold air, VLn represents an nth preset fan rotating speed when the fan blows out cold air, and TLn represents an nth preset working time when the fan blows out cold air.
Further, a drying reference value matrix Y (Y1, Y2, Y3 … Yn) is preset in the central control unit, wherein Y1 represents a first preset drying reference value, Y2 represents a second preset drying reference value, Y3 represents a third preset drying reference value, Yn represents an nth preset drying reference value, and Y1 < Y2 < Y3 < Yn;
the central control unit determines the working parameters of the fan according to the drying reference value y,
when Y is less than or equal to Y1, the central control unit determines that the fan rotating speed when the fan blows hot air is VF1, the time for blowing out hot air is TF1, the fan rotating speed when the fan blows out cold air is VL1, and the time for blowing out cold air is TL 1;
when Y is greater than Y1 and less than or equal to Y2, the central control unit determines that the rotating speed of the fan when the fan blows hot air is VF2, the time of blowing hot air is TF2, the rotating speed of the fan when the fan blows cold air is VL2 and the time of blowing cold air is TL 2;
when Y is greater than Y2 and less than or equal to Y3, the central control unit determines that the rotating speed of the fan when the fan blows hot air is VF3, the time of blowing hot air is TF3, the rotating speed of the fan when the fan blows cold air is VL3 and the time of blowing cold air is TL 3;
when Y (n-1) < Y is less than or equal to Yn, the central control unit determines that the fan rotating speed when the fan blows hot air is VFn, the time for blowing hot air is TFn, the fan rotating speed when the fan blows cold air is VLn, and the time for blowing cold air is TLn.
Furthermore, a sliding speed matrix VH and a temperature reference matrix T0 of the fan on the slide rail are preset in the central control unit;
for the slip speed matrix VH (VH1, VH2, VH3 … VHn), where VH1 represents a first preset slip speed, VH2 represents a second preset slip speed, VH3 represents a third preset slip speed, and VHn represents an nth preset slip speed;
for the temperature reference matrix T0(T1, T2, T3 … Tn), where T1 represents a first preset temperature reference value, T2 represents a second preset temperature reference value, T3 represents a third preset temperature reference value, and Tn represents an nth preset temperature reference value;
the central control unit collects data of a plurality of temperature detectors in real time, and sets the highest value of the temperature data collected in real time as TX and the lowest value of the temperature collected in real time as TN;
when TX-TN is not more than T1, the central control unit determines the sliding speed of the fan to be VH 1;
when T1 is more than TX-TN and less than or equal to T2, the central control unit determines that the sliding speed of the fan is VH 2;
when T3 is more than TX-TN and less than or equal to Tn, the central control unit determines the sliding speed of the fan to be VH 3;
and when T (n-1) < TX-TN is less than or equal to Tn, the central control unit determines that the sliding speed of the fan is VHn.
Further, the central control unit determines a real-time drying environment reference value z according to the data of the temperature detector, the humidity detector, the camera and the moisture analyzer received in real time,
z＝ST/ST0+SW/SW0+X/X0+H/H0
wherein z represents a real-time drying environment reference value, ST represents a real-time environment temperature, ST0 represents a preset environment temperature, SW represents a real-time environment humidity, SW0 represents a preset environment humidity, X represents a rice flour color, X0 represents a rice flour preset color, H represents a rice flour water content, and HZ represents a rice flour preset water content.
Furthermore, a drying environment reference value matrix Z and a motor rotating speed matrix VD are preset in the central control unit;
for a drying environment reference value matrix Z (Z1, Z2, Z3 … Zn), wherein Z1 represents a first preset drying environment reference value, Z2 represents a second preset drying environment reference value, Z3 represents a third preset drying environment reference value, and Zn represents an nth preset drying environment reference value;
for a motor rotation speed matrix VD (VD1, VD2, VD3 … VDn), wherein VD1 represents a first preset motor rotation speed, VD2 represents a second preset motor rotation speed, VD3 represents a third preset motor rotation speed, and VDn represents an nth preset motor rotation speed;
when the fan runs to the preset time according to the determined working parameters, if the current fan blows hot air, the central control unit adjusts the rotating speed VFi and the time TFi of the fan according to the determined drying environment reference value z determined in real time and determines the rotating speed of the motor,
when Z is less than or equal to Z1, the central control unit adjusts the rotating speed of the fan to VF (i +1), the rotating time TF (i +1) of the fan and adjusts the rotating speed of the motor to VD 1;
when the Z is more than Z1 and less than or equal to Z1, the central control unit adjusts the rotating speed of the fan to VF (i +2), the rotating time TF (i +2) of the fan and adjusts the rotating speed of the motor to VD 2;
when the Z is more than Z2 and less than or equal to Z3, the central control unit adjusts the rotating speed of the fan to VF (i +3), the rotating time TF (i +3) of the fan and adjusts the rotating speed of the motor to VD 3;
when Z (n-1) < Z is less than or equal to Zn, the central control unit adjusts the rotating speed of the fan to VFn and the rotating time of the fan to TFn, and adjusts the rotating speed of the motor to VDn;
if the current fan blows cold air, the central control unit adjusts the rotating speed VLi and the time TLi of the fan according to the determined drying environment reference value z determined in real time, determines the rotating speed of the motor,
when Z is less than or equal to Z1, the central control unit adjusts the rotating speed of the fan to be VL (i +1), the rotating time TL (i +1) of the fan and adjusts the rotating speed of the motor to be VD 1;
when the Z is more than Z1 and less than or equal to Z1, the central control unit adjusts the rotating speed of the fan to be VL (i +2), the rotating time TL (i +2) of the fan and adjusts the rotating speed of the motor to be VD 2;
when the Z is more than Z2 and less than or equal to Z3, the central control unit adjusts the rotating speed of the fan to be VL (i +3), the rotating time TL (i +3) of the fan and adjusts the rotating speed of the motor to be VD 3;
and when Z (n-1) < Z and is not more than Zn, the central control unit adjusts the rotating speed of the fan to be VLn and the rotating time TLn of the fan, and adjusts the rotating speed of the motor to be VDn.
Further, a rice flour cold and hot circulating drying method comprises the following steps:
step 1: determining different drying reference value coefficients of rice flour to be dried according to different types;
step 2: determining a drying reference value y according to the determined drying reference value coefficient and the water content and the size of the rice flour to be dried;
and step 3: determining the working parameters of the fan according to the drying reference value y;
and 4, step 4: determining the sliding speed of the fan according to the real-time temperature difference;
and 5: when the fan runs to the preset time according to the determined working parameters, the central control unit determines a real-time drying environment reference value z according to the data information received in real time;
step 6: and adjusting the rotating speed and the working time of the fan according to the drying environment reference value z determined in real time, and simultaneously determining the rotating speed of the motor.
Compared with the prior art, the rice flour hot and cold circulating drying system has the advantages that different drying reference value coefficients are determined by classifying rice flour, so that drying reference values y of different types of rice flour are determined, the rotating speed of a fan and the working time of the fan of different types of rice flour in a hot air and cold air working state are determined, the sliding speed of the fan is determined according to the difference value between the highest temperature and the lowest temperature in the box body, when the fan runs to the preset time according to the preset working parameters, the central control unit adjusts the rotating speed and the working time of the fan through the drying environment reference value z which is collected in real time and determined in real time, and determines the rotating speed of the motor at the same time, and the drying efficiency of the rice flour is improved.
Further, adjust through fan rotational speed and the duration to the fan at hot-blast state and cold wind state to make the temperature in the box reach and predetermine the temperature, through the fan circulation running back and forth on the slide rail, make steam/air conditioning in the box more even, realize whole unified ground rice humidity change, quick drying ground rice. Simultaneously, realize the adjustment to the temperature in the box through the rotational speed and the duration to the fan, further improve the drying efficiency of ground rice.
Particularly, the central control unit sprays hot air/cold air generated by the fan from the periphery of the top of the box body, the hot air/cold air circularly moves left and right on the slide rail through the fan, the hot air/cold air is conveyed downwards and directly blown to the rice flour below, the heat in the box body is stirred to uniformly circulate in the left and right circulating moving process of the fan, the integral uniform humidity change is achieved, the generation of defective products due to non-uniform dryness and non-uniformity is avoided, and the drying efficiency of the rice flour is further improved.
Particularly, the invention also provides a rice flour cold-hot circulation drying method, which classifies rice flour according to the types of the rice flour, determines different fan and motor parameters of the rice flour according to different types of the rice flour, adjusts the working parameters of the fan and the motor in real time according to the reference value of the drying environment in the drying process, and sets different temperature time zones according to the characteristics of the rice flour, thereby avoiding the rice flour from bursting or cracking and further improving the drying efficiency of the rice flour.
Furthermore, the fan blows hot air to dry the rice flour, and alternately blows cold air to cool the rice flour, so that the surface temperature of the rice flour is prevented from being too high, the motor drives the rotating shaft to rotate, thereby driving the transmission gear to rotate, driving the supporting plate, the sliding rod and the bottom plate to descend, stretching the first spring, when the transmission gear rotates to be not engaged with the toothed plate, the first spring pulls the sliding rod, the supporting plate and the bottom plate to rise, the transmission gear rotates periodically to drive the bottom plate to vibrate up and down, thereby vibrating the rice flour, increasing the contact area of the rice flour and hot air, preventing the rice flour from being hard to dry due to overstock, in use has realized being convenient for to carry out the effect of fast drying to the rice flour, has reached the purpose of being convenient for promote rice flour drying efficiency, has avoided the rice flour to be in the condition emergence that the high temperature state leads to the phenomenon of stifling boiling for a long time, has ensured the rice flour taste, further improves the drying efficiency of rice flour.
Particularly, the rotation speed and time of the fan and the sliding speed of the fan on the sliding rail are preliminarily determined, when the fan runs for the preset time, the motion parameters of the fan are adjusted through the real-time drying environment reference value in the box body, meanwhile, the working parameters of the motor are determined, the bottom plate moves up and down through the rotation of the motor and the elastic deformation of the spring, the distance between the rice flour and the fan is shortened, the contact temperature of the rice flour is adjusted to be increased and decreased, the rice flour can oscillate on the bottom plate through the elastic deformation of the spring, and the drying efficiency of the rice flour is improved.
Further, when the box vibrates, through the tensile or compression second spring of supporting leg for the second spring takes place deformation absorption vibration energy, through setting up the slipmat of rubber material and seting up tiny recess, can prevent effectively that the box from taking place to slide, has promoted the stability of system stoving ground rice further improves the drying efficiency of ground rice.
Drawings
FIG. 1 is a schematic structural view of a rice noodle cold-hot circulation drying system in an embodiment of the invention;
FIG. 2 is a schematic structural view of another view of a rice noodle cooling-heating cycle drying system according to an embodiment of the present invention;
fig. 3 is a schematic structural view of another view of the rice noodle cold-hot circulation drying system in the embodiment of the invention;
fig. 4 is a schematic structural view of a rice noodle cold-hot circulation drying system according to another embodiment of the present invention;
fig. 5 is a schematic structural view of another view of a rice flour hot and cold circulating drying system according to another embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 5, the present invention provides a rice flour cooling and heating circulation drying system, including: the rice noodle maker comprises a box body 1, a movable door 18 is hinged to the front of the box body 1 through a hinge, supporting legs 19 are fixedly connected to the bottom surface of the box body 1, a plurality of temperature detectors and humidity detectors are arranged in the box body 1 and used for detecting real-time temperature and humidity in the box body 1, and a camera and a moisture detector are further arranged in the box body 1 and used for shooting rice noodles and measuring the moisture content in the rice noodles; the fan 2 is arranged on a slide rail at the top of the box body 1 and used for enabling the fan 2 to move on the slide rail, and the fan 2 is provided with a rotating speed velocimeter and used for detecting the rotating speed of the fan 2; the box body comprises a box body 1, a first spring 4, a sliding pipe 3, a sliding rod 5, a supporting plate 6, a bottom plate 11, a filtering groove 12, a connecting rod 13, a sliding block 14, sliding grooves 15 and a sliding block 14, wherein the first spring 4 is fixedly connected with the top of the inner wall of the box body 3, the left side of the top of the inner wall of the box body 1 and the top of the inner wall of the sliding pipe 3, the end part of the first spring 4 is fixedly connected with the sliding rod 5, the bottom of the sliding rod 5 is fixedly connected with the supporting plate 6, the bottom of the supporting plate 6 is fixedly connected with the bottom of the bottom plate 11, the top surface and the bottom surface of the bottom plate 11 are provided with the filtering groove 12 in a penetrating way, the left side surface and the right side of the bottom plate 11 are both fixedly connected with the connecting rod 13, the end part of the connecting rod 13 is fixedly connected with the sliding block 14, the bottom of the left side of the inner wall and the right side of the inner wall of the box body 1 are both provided with the sliding grooves 15, and the sliding block 14 is used for enabling the supporting plate 6 to move up and down when the first spring 4 is elastically deformed; the motor 9 is arranged on the left side of the rear side of the inner wall of the box body 1 and the right side of the rear side of the inner wall, the output end of the motor 9 is fixedly connected with a rotating shaft 10, the front end of the rotating shaft 10 is rotatably connected with the inner wall of the box body 1 through the rotating shaft 10, the side face, away from the front vertical central line of the box body 1, of the supporting plate 6 is fixedly connected with a toothed plate 7, a transmission gear 8 is meshed with the surface of the toothed plate 7, the transmission gear 8 is fixedly sleeved in the middle of the surface of the rotating shaft 10 and used for enabling the supporting plate 6 to move up and down due to elastic deformation of the first spring 4 when the motor 9 rotates to enable the toothed plate 7 to be meshed with the transmission gear 8, and a second rotating speed velocimeter is arranged on the motor 9; the water collecting tank 16 is arranged on the bottom surface of the inner wall of the box body 1, and a valve 17 is arranged at the bottom of the water collecting tank 16; and the central control unit is arranged outside the box body 1, is respectively connected with the camera, the moisture detector, the fan 2, the second rotating speed velocimeter, the temperature detector, the humidity detector and the rotating speed velocimeter, and adjusts working parameters of the camera, the moisture detector, the second rotating speed velocimeter, the temperature detector, the humidity detector and the rotating speed velocimeter.
The central control unit determines different drying reference value coefficients according to different types of rice flour to be dried and determines a drying reference value y according to the determined drying reference value coefficients and the water content and the size of the rice flour to be dried, the central control unit determines the rotating speed of a fan 2 and the working time of the fan 2 under the working state of hot air and cold air according to the drying reference value y, the central control unit sets the highest value of temperature data collected in real time to be TX according to data of a plurality of temperature sensors received in real time, the lowest value of the temperature collected in real time to be TN, the sliding speed of the fan 2 is determined according to the difference between the highest temperature and the lowest temperature collected in real time, and when the fan 2 runs to preset time according to the determined working parameters, the central control unit receives the temperature detector, the humidity detector and the humidity detector, And determining a real-time drying environment reference value z by data of the camera and the moisture analyzer, adjusting the rotating speed and the working time of the fan 2 according to the real-time determined drying environment reference value z, and simultaneously determining the rotating speed of the motor 9 until the drying work of the rice noodles is completed.
Specifically, in the embodiment of the present invention, the transmission gear 8 is an incomplete gear, and convex teeth are distributed on the right side surface of the transmission gear 8. Through setting up drive gear 8 for with the periodic meshing of pinion rack 7, can realize the effect of vibrating bottom plate 11.
Specifically, in the embodiment of the invention, the filter tank 12 is a circular through groove, the chute 15 and the water collecting tank 16 are rectangular grooves, and by arranging the filter tank 12, redundant moisture in the rice flour can be discharged in time, so that the drying process is accelerated.
Specifically, in the embodiment of the invention, the fan 2 periodically blows hot air and cold air, and hot air and cold air are circularly alternated, so that the influence of overhigh temperature of rice noodles on the taste of the rice noodles is prevented.
Specifically, in the embodiment of the invention, the left side of the top of the inner wall of the box body 1 and the right side of the top of the inner wall are both fixedly connected with the sliding pipes 3, the top of the inner wall of each sliding pipe 3 is fixedly connected with the first spring 4, the end part of each first spring 4 is fixedly connected with the corresponding sliding rod 5, the sliding pipes 3, the first springs 4 and the sliding rods 5 are all two, the two sliding pipes 3, the first springs 4 and the sliding rods 5 are all symmetrically distributed by taking the vertical central line of the front face of the box body 1 as a symmetry axis, and by arranging the two sliding pipes 3, the first springs 4 and the sliding rods 5, the vibration amplitude is more uniform when the bottom plate 11 is vibrated, and the stability of the structure is improved.
Specifically, in the embodiment of the invention, the left side of the rear side of the inner wall of the box body 1 and the right side of the rear side of the inner wall are both fixedly provided with the motor 9, the fan 2 blows hot air to dry the rice flour, cold air is alternately blown to cool the rice flour, the surface temperature of the rice flour is prevented from being too high, the motor 9 drives the rotating shaft 10 to rotate, so that the transmission gear 8 is driven to rotate, the support plate 6, the slide rod 5 and the bottom plate 11 are driven to descend, the first spring 4 is stretched, when the transmission gear 8 rotates to be not meshed with the toothed plate 7, the first spring 4 pulls the slide rod 5, the support plate 6 and the bottom plate 11 to ascend, the transmission gear 8 rotates periodically to drive the bottom plate 11 to vibrate up and down, so that the rice flour is vibrated, the contact area between the rice flour and the hot air is increased, the problem that the rice flour is difficult to be dried due to overstocked is solved, the effect of facilitating the quick drying of the rice flour is realized in use, and the aim of facilitating the improvement of the drying efficiency of the rice flour is achieved, the situation that the rice flour is in a high-temperature state for a long time to cause the stuffy boiling phenomenon is avoided, the taste of the rice flour is guaranteed, and the practicability is good.
Specifically, in the embodiment of the invention, the bottom of the supporting leg 19 is fixedly connected with the second spring 20, the bottom of the second spring 20 is fixedly connected with the supporting block 21, the bottom of the supporting block 21 is fixedly connected with the non-slip mat 22, the non-slip mat 22 is made of silicon rubber, and the bottom of the non-slip mat 22 is provided with the fine groove, when the box body 1 vibrates, the supporting leg 19 stretches or compresses the second spring 20, so that the second spring 20 is deformed to absorb vibration energy, the rubber non-slip mat 22 is arranged and the fine groove is formed, so that the box body 1 can be effectively prevented from sliding, and the stability of the system is improved.
In particular, in the embodiment of the present invention, the electrical components appearing in the present application are all electrically connected to an external master controller and 220V commercial power, and the master controller may be a conventional known device such as a computer for controlling.
Specifically, in the embodiment of the present invention, in use: opening a movable door 18 to add rice flour to be dried into a box body 1, closing the movable door 18 and opening a fan 2 to blow hot air to dry the rice flour, alternately blowing cold air to cool the rice flour, allowing excess moisture in the rice flour to enter a water collecting tank 16 through a filter tank 12, driving a rotating shaft 10 to rotate through a motor 9, driving a transmission gear 8 to rotate, driving a support plate 6, a sliding rod 5, a bottom plate 11 and a connecting rod 13 to descend, stretching a first spring 4, driving a sliding block 14 to slide in a sliding groove 15, pulling the sliding rod 5, the support plate 6, the bottom plate 11, the connecting rod 13 and the sliding block 14 to ascend under the elastic force of the first spring 4 when the transmission gear 8 rotates to be not meshed with a toothed plate 7, driving the transmission gear 8 to rotate periodically to drive the bottom plate 11 to vibrate and dry the rice flour on the top surface of the bottom plate 11, and adjusting the working parameters of the fan 2 and the motor 9 in the drying process in real time by a central control unit, after drying, the movable door 18 is opened to remove rice flour, the valve 17 is opened to discharge water in the water collecting tank 16, and then the drying process is finished.
In the embodiment of the invention, the central control unit determines the drying reference value y of the rice flour to be dried according to the water content and the size of the rice flour to be dried,
y＝a×H/H0+b×C/C0
wherein y represents a drying reference value, a represents a rice flour moisture content coefficient, b represents a rice flour size coefficient, H represents a moisture content of rice flour, H0 represents a preset moisture content of rice flour, C represents a size of rice flour, and C0 represents a preset size of rice flour.
Specifically, in the embodiment of the invention, the water content of the rice flour can be detected by a Guanya moisture detector, the size of the rice flour can be determined by image acquisition of the rice flour by a camera, the preset water content of the rice flour can be 20% or 15%, the preset size of the rice flour can be 100cm or 20cm, and the preset size of the rice flour can be specifically determined according to the type of the rice flour to be dried.
Specifically, in the embodiment of the invention, a rice flour type matrix A and a coefficient matrix B are preset in the central control unit.
Specifically, in the embodiment of the present invention, for the rice flour kind matrix a (a1, a2, A3 … An), where a1 represents a first preset rice flour kind, a2 represents a second preset rice flour kind, A3 represents a third preset rice flour kind, and An represents An nth preset rice flour kind.
Specifically, in the embodiment of the present invention, with respect to the coefficient matrix B (a1, B1, a2, B2, a3, B3 … an, bn), where a1 denotes a first preset rice flour moisture content coefficient, B1 denotes a first preset rice flour size coefficient, a2 denotes a second preset rice flour moisture content coefficient, B2 denotes a second preset rice flour size coefficient, a3 denotes a third preset rice flour moisture content coefficient, B3 denotes a third preset rice flour size coefficient, an denotes an nth preset rice flour moisture content coefficient, and bn denotes an nth preset rice flour size coefficient.
Specifically, in the embodiment of the invention, the types of the rice flour can be classified according to the water content, the length of the rice flour to be dried can also be classified, meanwhile, the rice flour can also be classified according to the type of the rice flour, the audience population of the rice flour can also be classified according to the size of the rice flour, for example, the rice flour can be classified according to the size of 1mm, 2mm, 3mm and the like when being classified according to the size of the rice flour, so that different drying reference value coefficients can be selected, the invention does not limit the classification standard of the rice flour, and the concrete implementation is subject.
In the embodiment of the invention, specifically, the central control unit determines the coefficient in the reference value for drying the rice flour according to the actual type AS of the rice flour,
when AS is not more than A1, selecting a1 AS the water content coefficient of the rice flour and b1 AS the size coefficient of the rice flour by the central control unit;
when A1 is more than AS and less than or equal to A2, the central control unit selects a2 AS the water content coefficient of the rice flour and b2 AS the size coefficient of the rice flour;
when A2 is more than AS and less than or equal to A3, the central control unit selects A3 AS the water content coefficient of the rice flour and b3 AS the size coefficient of the rice flour;
when A (n-1) < AS is not more than An, the central control unit selects An AS the water content coefficient of the rice flour, and bn is the size coefficient of the rice flour;
when the drying reference value y is calculated by the central control unit by using ai and bi, i is equal to 1, 2, 3 … n, and y is equal to ai × H/H0+ bi × C/C0.
Specifically, in the embodiment of the present invention, a hot air parameter matrix VF of the fan and a cold air parameter matrix VL of the fan are preset in the central control unit; for a hot air parameter matrix VF (VF1, TF1, VF2, TF2, VF3, TF3 … VFn, TFn) of the fan, where VF1 represents a first preset fan speed when the fan blows hot air, TF1 represents a first preset operating time when the fan blows hot air, VF2 represents a second preset fan speed when the fan blows hot air, TF2 represents a second preset operating time when the fan blows hot air, VF3 represents a third preset fan speed when the fan blows hot air, TF3 represents a third preset operating time when the fan blows hot air, VFn represents an nth preset fan speed when the fan blows hot air, and TFn represents an nth preset operating time when the fan blows hot air.
Specifically, in the embodiment of the present invention, the cold air parameter matrix VL (VL1, TL1, VL2, TL2, VL3, TL3 … VLn, TLn) for the fan, where VL1 represents a first preset fan speed when the fan blows out cold air, TL1 represents a first preset operating time when the fan blows out cold air, VL2 represents a second preset fan speed when the fan blows out cold air, TL2 represents a second preset operating time when the fan blows out cold air, VL3 represents a third preset fan speed when the fan blows out cold air, TL3 represents a third preset operating time when the fan blows out cold air, VLn represents an nth preset fan speed when the fan blows out cold air, and TLn represents an nth preset operating time when the fan blows out cold air.
Specifically, in the embodiment of the present invention, in the hot air parameter matrix and the cold air parameter matrix of the fan, the rotating speeds of the hot air and the cold air have the highest speed and the lowest speed, VFn is set as the highest rotating speed of the fan in the hot air state, and VLn is set as the highest rotating speed in the cold air state.
Specifically, in the embodiment of the invention, the rotating speed and the duration of the fan 2 in the hot air state and the cold air state are adjusted, so that the temperature in the box body 1 reaches the preset temperature, and the fan 2 circularly runs on the slide rail back and forth, so that hot air/cold air in the box body 1 is more uniform, the integrally uniform humidity change of rice flour is realized, and the rice flour is quickly dried. Meanwhile, the temperature in the box body 1 is adjusted through the rotating speed and the duration time of the fan 2.
Specifically, in the embodiment of the present invention, a drying reference value matrix Y (Y1, Y2, Y3 … Yn) is preset in the central control unit, where Y1 represents a first preset drying reference value, Y2 represents a second preset drying reference value, Y3 represents a third preset drying reference value, Yn represents an nth preset drying reference value, and Y1 < Y2 < Y3 < Yn;
the central control unit determines the working parameters of the fan according to the drying reference value y,
when Y is less than or equal to Y1, the central control unit determines that the fan rotating speed when the fan blows hot air is VF1, the time for blowing out hot air is TF1, the fan rotating speed when the fan blows out cold air is VL1, and the time for blowing out cold air is TL 1;
when Y is greater than Y1 and less than or equal to Y2, the central control unit determines that the rotating speed of the fan when the fan blows hot air is VF2, the time of blowing hot air is TF2, the rotating speed of the fan when the fan blows cold air is VL2 and the time of blowing cold air is TL 2;
when Y is greater than Y2 and less than or equal to Y3, the central control unit determines that the rotating speed of the fan when the fan blows hot air is VF3, the time of blowing hot air is TF3, the rotating speed of the fan when the fan blows cold air is VL3 and the time of blowing cold air is TL 3;
when Y (n-1) < Y is less than or equal to Yn, the central control unit determines that the fan rotating speed when the fan blows hot air is VFn, the time for blowing hot air is TFn, the fan rotating speed when the fan blows cold air is VLn, and the time for blowing cold air is TLn.
Specifically, in the embodiment of the invention, the working parameters of the fan 2 under hot air and cold air are determined through the drying reference value, so that the temperature in the box body 1 is more consistent with the temperature of the rice noodles to be dried, and the rice noodles are quickly dried.
Specifically, in the embodiment of the invention, a sliding speed matrix VH and a temperature reference matrix T0 of a fan on a slide rail are preset in the central control unit; for the sliding speed matrix VH (VH1, VH2, VH3 … VHn), where VH1 represents a first preset sliding speed, VH2 represents a second preset sliding speed, VH3 represents a third preset sliding speed, and VHn represents an nth preset sliding speed.
Specifically, in the embodiment of the present invention, for the temperature reference matrix T0(T1, T2, T3 … Tn), T1 represents a first preset temperature reference value, T2 represents a second preset temperature reference value, T3 represents a third preset temperature reference value, and Tn represents an nth preset temperature reference value.
The central control unit collects data of a plurality of temperature detectors in real time, and sets the highest value of the temperature data collected in real time as TX and the lowest value of the temperature collected in real time as TN;
when TX-TN is not more than T1, the central control unit determines the sliding speed of the fan to be VH 1;
when T1 is more than TX-TN and less than or equal to T2, the central control unit determines that the sliding speed of the fan is VH 2;
when T3 is more than TX-TN and less than or equal to Tn, the central control unit determines the sliding speed of the fan to be VH 3;
and when T (n-1) < TX-TN is less than or equal to Tn, the central control unit determines that the sliding speed of the fan is VHn.
Specifically, in the embodiment of the invention, when the rotating speed and the working time of the fan 2 are determined, the central control unit collects the temperature data of the temperature detectors and adjusts the sliding speed of the fan 2 on the sliding rail according to the difference value between the highest value and the lowest value of the temperature, so that the temperature distribution in the box body 1 is more uniform, and the aim of quickly drying rice noodles is fulfilled.
Specifically, in the embodiment of the present invention, a plurality of the temperature sensors and the humidity sensors may be arranged according to the size of the space of the box 1, at least two of the temperature sensors and the humidity sensors are arranged, one, ten or eight of the temperature sensors and the humidity sensors are arranged at the top of the box 1 and the bottom of the box 1, respectively, and the specific arrangement positions and the arrangement numbers of the temperature sensors and the humidity sensors are not limited in the present invention, which is based on the specific implementation.
Specifically, in the embodiment of the invention, the central control unit determines the real-time drying environment reference value z according to the data of the temperature detector, the humidity detector, the camera and the moisture analyzer received in real time,
z＝ST/ST0+SW/SW0+X/X0+H/H0
wherein z represents a real-time drying environment reference value, ST represents a real-time environment temperature, ST0 represents a preset environment temperature, SW represents a real-time environment humidity, SW0 represents a preset environment humidity, X represents a rice flour color, X0 represents a rice flour preset color, H represents a rice flour water content, and HZ represents a rice flour preset water content.
Specifically, in the embodiment of the present invention, the real-time ambient temperature ST may be an average value of temperatures of a plurality of temperature sensors, ST0 may be set according to an actual situation, ST0 is 25 ℃ in this embodiment, the real-time ambient humidity SW may be an average value of humidity of a plurality of humidity sensors, SW0 in this embodiment is 20%, the color X of the rice flour may be obtained by collecting a real-time photograph of the rice flour through a camera and analyzing data through a central control unit to determine the color of the rice flour, X0 in this embodiment is 50%, the water content H of the rice flour is obtained by analyzing through a crown sub-moisture detector, and the preset water content HZ of the rice flour in this embodiment is 15%.
Specifically, in the embodiment of the present invention, a drying environment reference value matrix Z and a motor 9 rotation speed matrix VD are preset in the central control unit.
Specifically, in the embodiment of the present invention, for a drying environment reference value matrix Z (Z1, Z2, Z3 … Zn), where Z1 represents a first preset drying environment reference value, Z2 represents a second preset drying environment reference value, Z3 represents a third preset drying environment reference value, and Zn represents an nth preset drying environment reference value;
specifically, in the embodiment of the present invention, for the motor rotation speed matrix VD (VD1, VD2, VD3 … VDn), VD1 represents a first preset motor rotation speed, VD2 represents a second preset motor rotation speed, VD3 represents a third preset motor rotation speed, and VDn represents an nth preset motor rotation speed.
Specifically, in the embodiment of the present invention, when the fan 2 operates for a preset time according to the determined operating parameters, if the current fan 2 blows hot air, the central control unit adjusts the rotation speed VFi and the time TFi of the fan 2 according to the determined drying environment reference value z determined in real time, and determines the rotation speed of the motor 9,
when Z is less than or equal to Z1, the central control unit adjusts the rotating speed of the fan to VF (i +1), the rotating time TF (i +1) of the fan and adjusts the rotating speed of the motor to VD 1;
when the Z is more than Z1 and less than or equal to Z1, the central control unit adjusts the rotating speed of the fan to VF (i +2), the rotating time TF (i +2) of the fan and adjusts the rotating speed of the motor to VD 2;
when the Z is more than Z2 and less than or equal to Z3, the central control unit adjusts the rotating speed of the fan to VF (i +3), the rotating time TF (i +3) of the fan and adjusts the rotating speed of the motor to VD 3;
when Z (n-1) < Z is less than or equal to Zn, the central control unit adjusts the rotating speed of the fan to VFn and the rotating time of the fan to TFn, and adjusts the rotating speed of the motor to VDn;
if the current fan 2 blows cold air, the central control unit adjusts the rotating speed VLi and the time TLi of the fan 2 according to the determined drying environment reference value z determined in real time, determines the rotating speed of the motor 9,
when Z is less than or equal to Z1, the central control unit adjusts the rotating speed of the fan to be VL (i +1), the rotating time TL (i +1) of the fan and adjusts the rotating speed of the motor to be VD 1;
when the Z is more than Z1 and less than or equal to Z1, the central control unit adjusts the rotating speed of the fan to be VL (i +2), the rotating time TL (i +2) of the fan and adjusts the rotating speed of the motor to be VD 2;
when the Z is more than Z2 and less than or equal to Z3, the central control unit adjusts the rotating speed of the fan to be VL (i +3), the rotating time TL (i +3) of the fan and adjusts the rotating speed of the motor to be VD 3;
and when Z (n-1) < Z and is not more than Zn, the central control unit adjusts the rotating speed of the fan to be VLn and the rotating time TLn of the fan, and adjusts the rotating speed of the motor to be VDn.
Specifically, in the embodiment of the present invention, when the central control unit adjusts the rotation speed and time of the fan 2, if the rotation speed of the current fan 2 is the maximum value or the minimum value, the central control unit still needs to adjust the rotation speed of the fan 2 to be the rotation speed of the fan 2 after or before the preset sequence of the current rotation speed, and uses the current rotation speed as the adjusted rotation speed, and if the time of the current fan 2 is the maximum value or the minimum value, the central control unit still needs to adjust the working time of the fan 2 to be the time of the fan 2 after or before the preset sequence of the current time, and uses the current time as the adjusted time.
The invention also provides a rice flour cold-hot circulation drying method, which comprises the following steps:
step 1: determining different drying reference value coefficients of rice flour to be dried according to different types;
step 2: determining a drying reference value y according to the determined drying reference value coefficient and the water content and the size of the rice flour to be dried;
and step 3: determining the working parameters of the fan according to the drying reference value y;
and 4, step 4: determining the sliding speed of the fan according to the real-time temperature difference;
and 5: when the fan 2 runs to the preset time according to the determined working parameters, the central control unit determines a real-time drying environment reference value z according to the data information received in real time;
step 6: and adjusting the rotating speed and the working time of the fan according to the drying environment reference value z determined in real time, and simultaneously determining the rotating speed of the motor 9.
Specifically, in the embodiment of the present invention, the preset time may be determined according to the type of the rice flour, for example, the preset time may be set to 5 minutes, may also be set to 10 minutes, and may also be set to 30 minutes, depending on the specific implementation.
Specifically, in the embodiment of the invention, the central control unit sprays hot air/cold air generated by the fan 2 from the periphery of the top of the box body 1, and moves on the slide rail of the fan 2 in a left-right circulating manner to convey the hot air/cold air downwards to directly blow to the rice flour below, and in the process of moving in a left-right circulating manner by the fan 2, the internal heat of the box body 1 is stirred to circulate uniformly, so that the uniform humidity change of the whole body is achieved, and the generation of defective products due to uneven dryness and humidity is avoided.
Specifically, in the embodiment of the invention, the distance between the rice flour and the fan 2 is adjusted by adjusting the rotating speed of the motor 9, the drying effect of the fan 2 is enhanced, the rice flour is subjected to elastic deformation restoration by using the spring, the energy consumption is saved, meanwhile, the rice flour can vibrate, and the drying efficiency is improved.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a cold and hot circulation drying system of ground rice, its characterized in that includes:
the front surface of the box body is hinged with a movable door through a hinge, the bottom surface of the box body is fixedly connected with supporting legs, a plurality of temperature detectors and humidity detectors are arranged in the box body and used for detecting real-time temperature and humidity in the box body, and a camera and a moisture detector are further arranged in the box body and used for shooting rice flour and measuring the water content in the rice flour;
the fan is arranged on the sliding rail at the top of the box body and used for enabling the fan to move on the sliding rail, and the fan is provided with a rotating speed velocimeter used for detecting the rotating speed of the fan;
the first spring is fixedly connected with the tops of the inner walls of the sliding pipes arranged on the left side of the top of the inner wall and on the right side of the top of the inner wall of the box body, the end part of the first spring is fixedly connected with a sliding rod, the bottom of the sliding rod is fixedly connected with a supporting plate, the bottom of the supporting plate is fixedly connected with a bottom plate, the top surface and the bottom surface of the bottom plate are communicated with filter tanks, the left side surface and the right side surface of the bottom plate are fixedly connected with connecting rods, the end part of each connecting rod is fixedly connected with a sliding block, the bottom of the left side of the inner wall of the box body and the bottom of the right side of the inner wall are both provided with sliding grooves, and the surfaces of the sliding blocks are in sliding connection with the inner walls of the sliding grooves so as to enable the supporting plate to move up and down when the first spring is elastically deformed;
the motor is arranged on the left side of the rear side of the inner wall of the box body and the right side of the rear side of the inner wall, a rotating shaft is fixedly connected to the output end of the motor, the front end of the rotating shaft is rotatably connected with the inner wall of the box body through the rotating shaft, a toothed plate is fixedly connected to the side, away from the vertical central line of the front side of the box body, of the supporting plate, a transmission gear is meshed with the surface of the toothed plate, the transmission gear is fixedly sleeved in the middle of the surface of the rotating shaft and used for enabling the supporting plate to move up and down due to elastic deformation of the first spring when the toothed plate is meshed with the transmission gear due to rotation of the motor, and a second rotating speed velocimeter is arranged on the motor;
the water collecting tank is arranged on the bottom surface of the inner wall of the box body, and a valve is arranged at the bottom of the water collecting tank;
the central control unit is arranged outside the box body, is respectively connected with the camera, the moisture detector, the fan, the second rotating speed velocimeter, the temperature detector, the humidity detector and the rotating speed velocimeter, and adjusts working parameters of the camera, the moisture detector, the second rotating speed velocimeter, the temperature detector, the humidity detector and the rotating speed velocimeter;
the central control unit determines different drying reference value coefficients according to different types of rice flour to be dried, determines a drying reference value y according to the determined drying reference value coefficients and the water content and the size of the rice flour to be dried, determines the rotating speed of a fan and the working time of the fan under the working state of hot air and cold air according to the drying reference value y, sets the highest value of temperature data collected in real time to be TX according to data of a plurality of temperature sensors received in real time, sets the lowest value of the temperature collected in real time to be TN, determines the sliding speed of the fan according to the difference between the highest temperature and the lowest temperature collected in real time, determines a real-time drying environment reference value z according to the data of a temperature detector, a humidity detector, a camera and a moisture analyzer received in real time when the fan runs to preset time according to determined working parameters, and adjusting the rotating speed and the working time of the fan according to the drying environment reference value z determined in real time, and simultaneously determining the rotating speed of the motor until the drying work of the rice noodles is completed.
2. The rice flour cold and hot circulating drying system of claim 1, wherein the central control unit determines the drying reference value y of the rice flour to be dried according to the water content and the size of the rice flour to be dried,
y＝a×H/H0+b×C/C0
wherein y represents a drying reference value, a represents a rice flour moisture content coefficient, b represents a rice flour size coefficient, H represents a moisture content of rice flour, H0 represents a preset moisture content of rice flour, C represents a size of rice flour, and C0 represents a preset size of rice flour.
3. The rice flour cold-hot circulating drying system according to claim 2, wherein a rice flour type matrix A and a coefficient matrix B are preset in the central control unit;
for the rice flour kind matrix a (a1, a2, A3 … An), wherein a1 represents a first preset rice flour kind, a2 represents a second preset rice flour kind, A3 represents a third preset rice flour kind, An represents An nth preset rice flour kind;
for coefficient matrix B (a1, B1, a2, B2, a3, B3 … an, bn), where a1 represents a first preset rice flour moisture content coefficient, B1 represents a first preset rice flour size coefficient, a2 represents a second preset rice flour moisture content coefficient, B2 represents a second preset rice flour size coefficient, a3 represents a third preset rice flour moisture content coefficient, B3 represents a third preset rice flour size coefficient, an represents an nth preset rice flour moisture content coefficient, and bn represents an nth preset rice flour size coefficient.
4. The rice flour cold and hot circulating drying system of claim 3, wherein the central control unit determines the coefficients in the rice flour drying reference value according to the actual type AS of rice flour,
when AS is not more than A1, selecting a1 AS the water content coefficient of the rice flour and b1 AS the size coefficient of the rice flour by the central control unit;
when A1 is more than AS and less than or equal to A2, the central control unit selects a2 AS the water content coefficient of the rice flour and b2 AS the size coefficient of the rice flour;
when A2 is more than AS and less than or equal to A3, the central control unit selects A3 AS the water content coefficient of the rice flour and b3 AS the size coefficient of the rice flour;
when A (n-1) < AS is not more than An, the central control unit selects An AS the water content coefficient of the rice flour, and bn is the size coefficient of the rice flour;
when the drying reference value y is calculated by the central control unit by using ai and bi, i is equal to 1, 2, 3 … n, and y is equal to ai × H/H0+ bi × C/C0.
5. The rice flour cold and hot circulation drying system according to claim 4, wherein a hot air parameter matrix VF of a fan and a cold air parameter matrix VL of the fan are preset in the central control unit;
for a hot air parameter matrix VF (VF1, TF1, VF2, TF2, VF3, TF3 … VFn, TFn) of the fan, wherein VF1 represents a first preset fan speed when the fan blows hot air, TF1 represents a first preset operating time when the fan blows hot air, VF2 represents a second preset fan speed when the fan blows hot air, TF2 represents a second preset operating time when the fan blows hot air, VF3 represents a third preset fan speed when the fan blows hot air, TF3 represents a third preset operating time when the fan blows hot air, VFn represents an nth preset fan speed when the fan blows hot air, and TFn represents an nth preset operating time when the fan blows hot air;
the method comprises the steps of obtaining a cold air parameter matrix VL (VL1, TL1, VL2, TL2, VL3, TL3 … VLn and TLn) of the fan, wherein VL1 represents a first preset fan rotating speed when the fan blows out cold air, TL1 represents a first preset working time when the fan blows out cold air, VL2 represents a second preset fan rotating speed when the fan blows out cold air, TL2 represents a second preset working time when the fan blows out cold air, VL3 represents a third preset fan rotating speed when the fan blows out cold air, TL3 represents a third preset working time when the fan blows out cold air, VLn represents an nth preset fan rotating speed when the fan blows out cold air, and TLn represents an nth preset working time when the fan blows out cold air.
6. The rice flour cold and hot circulating drying system of claim 5, wherein a drying reference value matrix Y (Y1, Y2, Y3 … Yn) is preset in the central control unit, wherein Y1 represents a first preset drying reference value, Y2 represents a second preset drying reference value, Y3 represents a third preset drying reference value, Yn represents an nth preset drying reference value, Y1 < Y2 < Y3 < Yn;
the central control unit determines the working parameters of the fan according to the drying reference value y,
when Y is less than or equal to Y1, the central control unit determines that the fan rotating speed when the fan blows hot air is VF1, the time for blowing out hot air is TF1, the fan rotating speed when the fan blows out cold air is VL1, and the time for blowing out cold air is TL 1;
when Y is greater than Y1 and less than or equal to Y2, the central control unit determines that the rotating speed of the fan when the fan blows hot air is VF2, the time of blowing hot air is TF2, the rotating speed of the fan when the fan blows cold air is VL2 and the time of blowing cold air is TL 2;
when Y is greater than Y2 and less than or equal to Y3, the central control unit determines that the rotating speed of the fan when the fan blows hot air is VF3, the time of blowing hot air is TF3, the rotating speed of the fan when the fan blows cold air is VL3 and the time of blowing cold air is TL 3;
when Y (n-1) < Y is less than or equal to Yn, the central control unit determines that the fan rotating speed when the fan blows hot air is VFn, the time for blowing hot air is TFn, the fan rotating speed when the fan blows cold air is VLn, and the time for blowing cold air is TLn.
7. The rice flour cold and hot circulating drying system of claim 6, wherein a sliding speed matrix VH and a temperature reference matrix T0 of a fan on a sliding rail are preset in the central control unit;
for the slip speed matrix VH (VH1, VH2, VH3 … VHn), where VH1 represents a first preset slip speed, VH2 represents a second preset slip speed, VH3 represents a third preset slip speed, and VHn represents an nth preset slip speed;
for the temperature reference matrix T0(T1, T2, T3 … Tn), where T1 represents a first preset temperature reference value, T2 represents a second preset temperature reference value, T3 represents a third preset temperature reference value, and Tn represents an nth preset temperature reference value;
the central control unit collects data of a plurality of temperature detectors in real time, and sets the highest value of the temperature data collected in real time as TX and the lowest value of the temperature collected in real time as TN;
when TX-TN is not more than T1, the central control unit determines the sliding speed of the fan to be VH 1;
when T1 is more than TX-TN and less than or equal to T2, the central control unit determines that the sliding speed of the fan is VH 2;
when T3 is more than TX-TN and less than or equal to Tn, the central control unit determines the sliding speed of the fan to be VH 3;
and when T (n-1) < TX-TN is less than or equal to Tn, the central control unit determines that the sliding speed of the fan is VHn.
8. The rice flour cold and hot circulating drying system of claim 7, wherein the central control unit determines a real-time drying environment reference value z according to data received in real time from the temperature detector, the humidity detector, the camera and the moisture analyzer,
z＝ST/ST0+SW/SW0+X/X0+H/H0
wherein z represents a real-time drying environment reference value, ST represents a real-time environment temperature, ST0 represents a preset environment temperature, SW represents a real-time environment humidity, SW0 represents a preset environment humidity, X represents a rice flour color, X0 represents a rice flour preset color, H represents a rice flour water content, and HZ represents a rice flour preset water content.
9. The rice flour cold and hot circulation drying system according to claim 8, wherein a drying environment reference value matrix Z and a motor rotation speed matrix VD are preset in the central control unit;
for a drying environment reference value matrix Z (Z1, Z2, Z3 … Zn), wherein Z1 represents a first preset drying environment reference value, Z2 represents a second preset drying environment reference value, Z3 represents a third preset drying environment reference value, and Zn represents an nth preset drying environment reference value;
for a motor rotation speed matrix VD (VD1, VD2, VD3 … VDn), wherein VD1 represents a first preset motor rotation speed, VD2 represents a second preset motor rotation speed, VD3 represents a third preset motor rotation speed, and VDn represents an nth preset motor rotation speed;
when the fan runs to the preset time according to the determined working parameters, if the current fan blows hot air, the central control unit adjusts the rotating speed VFi and the time TFi of the fan according to the determined drying environment reference value z determined in real time and determines the rotating speed of the motor,
when Z is less than or equal to Z1, the central control unit adjusts the rotating speed of the fan to VF (i +1), the rotating time TF (i +1) of the fan and adjusts the rotating speed of the motor to VD 1;
when the Z is more than Z1 and less than or equal to Z1, the central control unit adjusts the rotating speed of the fan to VF (i +2), the rotating time TF (i +2) of the fan and adjusts the rotating speed of the motor to VD 2;
when the Z is more than Z2 and less than or equal to Z3, the central control unit adjusts the rotating speed of the fan to VF (i +3), the rotating time TF (i +3) of the fan and adjusts the rotating speed of the motor to VD 3;
when Z (n-1) < Z is less than or equal to Zn, the central control unit adjusts the rotating speed of the fan to VFn and the rotating time of the fan to TFn, and adjusts the rotating speed of the motor to VDn;
if the current fan blows cold air, the central control unit adjusts the rotating speed VLi and the time TLi of the fan according to the determined drying environment reference value z determined in real time, determines the rotating speed of the motor,
when Z is less than or equal to Z1, the central control unit adjusts the rotating speed of the fan to be VL (i +1), the rotating time TL (i +1) of the fan and adjusts the rotating speed of the motor to be VD 1;
when the Z is more than Z1 and less than or equal to Z1, the central control unit adjusts the rotating speed of the fan to be VL (i +2), the rotating time TL (i +2) of the fan and adjusts the rotating speed of the motor to be VD 2;
when the Z is more than Z2 and less than or equal to Z3, the central control unit adjusts the rotating speed of the fan to be VL (i +3), the rotating time TL (i +3) of the fan and adjusts the rotating speed of the motor to be VD 3;
and when Z (n-1) < Z and is not more than Zn, the central control unit adjusts the rotating speed of the fan to be VLn and the rotating time TLn of the fan, and adjusts the rotating speed of the motor to be VDn.
10. A rice flour cold-hot circulation drying method of the rice flour cold-hot circulation drying system according to any one of claims 1 to 9, comprising:
step 1: determining different drying reference value coefficients of rice flour to be dried according to different types;
step 2: determining a drying reference value y according to the determined drying reference value coefficient and the water content and the size of the rice flour to be dried;
and step 3: determining the working parameters of the fan according to the drying reference value y;
and 4, step 4: determining the sliding speed of the fan according to the real-time temperature difference;
and 5: when the fan runs to the preset time according to the determined working parameters, the central control unit determines a real-time drying environment reference value z according to the data information received in real time;
step 6: and adjusting the rotating speed and the working time of the fan according to the drying environment reference value z determined in real time, and simultaneously determining the rotating speed of the motor.
CN202110034828.9A 2021-01-12 2021-01-12 Rice flour cold-hot circulation drying method and system Active CN112629188B (en)

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