Slicing and powdering device for preparing traditional Chinese medicine decoction pieces

Abstract

The invention provides a slicing and powdering device for traditional Chinese medicine decoction piece preparation, and relates to the technical field of traditional Chinese medicine decoction piece preparation, the slicing and powdering device comprises a lower box body, two groups of vertical plates are fixedly connected to the upper end of the lower box body at intervals front and back, and the front and back sides of the lower end of an upper box body are fixedly connected to the two vertical plates respectively; the first conveying device, the cutting supporting plate and the second conveying device are sequentially connected between the two vertical plates at intervals left and right, and the inner wall of the upper end of the upper box body is located at the upper end of the cutting supporting plate and fixedly connected with the cutting device. The powdering box is fixedly connected to the upper end of the horizontal plate, the lower end of the powdering box communicates with the inclined discharging shell, and the powdering box is connected with a powdering mechanism; the high end of the inclined discharging groove is fixedly connected to the medicine outlet side of the vertical plate, and the low end of the inclined discharging groove communicates with a feeding port of the powdering box. And the drying device is used for drying the sliced traditional Chinese medicinal materials on the first conveying device. Sliced traditional Chinese medicinal materials are dried, and the situation that the quality of the powdered traditional Chinese medicinal materials is affected due to the fact that the interiors of the sliced traditional Chinese medicinal materials are wet is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of preparation of Chinese herbal medicine slices, in particular to a slicing and powdering device for preparation of Chinese herbal medicine slices. Background Art

[0002] Chinese herbal medicine slices refer to Chinese medicine that has been processed into a certain shape according to the needs and is easy to use. It can be directly used in clinical Chinese medicine. After being processed at the place of origin, Chinese herbal medicines are cut into certain specifications such as thin slices, thick slices, oblique slices, filaments, segments, blocks, powders, etc. according to the properties of the medicines and the needs of medical treatment, so that the effective ingredients of the medicines are easy to dissolve and convenient for other processing, storage and adjustment. This kind of Chinese herbal medicine is called "slices".

[0003] Existing slicing and powdering devices for preparing Chinese herbal medicines, such as CN111941481A, a high-efficiency slicing and powdering mechanism for Chinese herbal medicines, have the following problems: lack of drying device for sliced ​​Chinese herbal medicines, when the sliced ​​Chinese herbal medicines are relatively wet inside, the quality of the powdered herbal medicines is affected. Summary of the invention

[0004] The invention provides a slice powdering device for preparing Chinese herbal medicine slices, which is used to solve the technical problems raised by the above-mentioned background technology.

[0005] In order to solve the above technical problems, the present invention discloses a slice powdering device for preparing Chinese herbal medicine slices, comprising:

[0006] The lower box body is fixedly connected to the first bracket, two sets of vertical plates are fixedly connected to the upper end of the lower box body at intervals, the lower end of the upper box body is open, and the front and rear sides of the lower end of the upper box body are respectively fixedly connected to the two vertical plates;

[0007] The first conveying device, the cutting support plate, and the second conveying device are sequentially connected between the two sets of vertical plates at intervals on the left and right, and the inner wall of the upper end of the upper box body is located at the upper end of the cutting support plate and fixedly connected to the cutting device;

[0008] A powder beating box, the powder beating box is fixedly connected to the upper end of the horizontal plate, the lower end of the horizontal plate is fixedly connected to the second bracket, the lower end of the powder beating box is connected to the inclined discharge shell, the lower end of the inclined discharge shell is fixedly connected to the third bracket and the fourth bracket, and the powder beating box is connected to the powder beating mechanism;

[0009] An inclined discharge trough, the high end of which is fixedly connected to the medicine discharge side of the vertical plate, and the low end of which is connected to the feed port of the powder box;

[0010] The drying device is used to dry the sliced ​​Chinese medicinal materials on the first conveying device.

[0011] Preferably, the cutting device comprises:

[0012] A lifting rod, the fixed end of the lifting rod is fixedly passed through the inner wall of the upper end of the upper box body, the lower end of the lifting end of the lifting rod is fixedly connected to the cutting knife, and two sets of guide sleeves are respectively fixed on the front and rear sides of the cutting knife;

[0013] Two groups of vertical guide rods are fixedly connected to the inner wall of the upper end of the upper box body at a front-to-back interval, and two groups of guide sleeves are respectively slidably sleeved on the two groups of vertical guide rods, and the cutting knife is located directly above the cutting support plate.

[0014] Preferably, the first conveying device, the cutting support plate, and the second conveying device are arranged in sequence from right to left, and a slope with a lower left side and a higher right side is provided on the left side of the cutting support plate.

[0015] Preferably, the powdering mechanism comprises:

[0016] Two sets of crushing shafts are connected to the powder box with left and right intervals, and the crushing rollers are set on the part of the crushing shaft located in the powder box;

[0017] The motor bracket is arranged at the front side of the powder box, the motor bracket is fixedly connected to the upper end of the horizontal plate, the upper end of the motor bracket is fixedly connected to the driving motor, the output shaft of the driving motor is arranged along the left and right directions, and a gear box is also fixedly arranged at the front side of the powder box, the front end of the crushing shaft rotates and penetrates into the gear box, and the parts of the two crushing shafts located in the gear box are respectively provided with spur gear 1 and spur gear 2, and the spur gear 1 and spur gear 2 are meshed for transmission;

[0018] A bevel gear 1 is arranged on the output shaft of the driving motor, a bevel gear 2 is arranged on a crushing shaft, and the bevel gear 1 and the bevel gear 2 are meshed for transmission.

[0019] Preferably, the second conveying device is a belt conveying device; when conveying sliced ​​Chinese medicinal materials, the conveying belt of the second conveying device is heated by the jet device between the two vertical plates; the drying device includes a jet device and a drying gas generating device;

[0020] The jet device includes: a fixed bracket, the fixed bracket is fixedly connected to the front side wall of the vertical plate on the rear side, a plurality of second pipes are fixedly passed through the fixed bracket at horizontal intervals, the second pipes are connected to the second nozzle, the plurality of second pipes are connected to the first pipe, and the first pipe is connected to the drying gas generating device; a first control valve is arranged on the first pipe, and a second control valve is arranged on the second pipe.

[0021] Preferably, it also includes:

[0022] A first acquisition module is used to acquire parameters of the drying gas generated by the drying gas generating device, the parameters of the drying gas including: density of the drying gas;

[0023] A second acquisition module is used to acquire a target linear speed of the conveyor belt of the second conveyor device for conveying the currently sliced ​​Chinese medicinal materials, and a drying heat amount of a single currently sliced ​​Chinese medicinal material that needs to be transferred by the conveyor belt of the second conveyor device;

[0024] A first calculation module, configured to calculate a target temperature of the drying gas generated by the drying gas generating device based on the first acquisition module;

[0025]

[0026] T2 is the target temperature of the drying gas generated by the drying gas generating device; T1 is the temperature of the currently sliced ​​Chinese medicinal materials before entering the conveyor belt of the second conveyor; J is the drying heat per unit area of ​​the conveyor belt of the second conveyor when the currently sliced ​​Chinese medicinal materials are conveyed by the conveyor belt of the second conveyor; h1 and h2 are the heat exchange coefficients between the conveyor belt of the second conveyor and the drying gas, and between the conveyor belt of the second conveyor and the currently sliced ​​Chinese medicinal materials, respectively; H1 is the thickness of the conveyor belt; H2 is the thickness of the currently sliced ​​Chinese medicinal materials that needs to be dried by the conveyor belt; ε3 is the thermal conductivity of the currently sliced ​​Chinese medicinal materials; ε1 is the thermal conductivity of the conveyor belt of the second conveyor; L is the second The center distance of the conveyor belt of the conveying device; V is the target linear speed of the conveyor belt of the second conveying device for conveying the currently sliced ​​Chinese medicinal materials; J is the drying heat required to be transferred by the conveyor belt of the second conveying device for the single slice of currently sliced ​​Chinese medicinal materials; S is the contact area between the single slice of currently sliced ​​Chinese medicinal materials and the conveyor belt of the second conveying device; ln is the natural logarithm, e is the natural constant; τ is the Prandtl number of the drying gas generated by the drying gas generating device; γ0 is the density of the drying gas detected by the gas detection module; θ is the Reynolds number of the drying gas generated by the drying gas generating device; γ1 is the density of the conveyor belt of the second conveying device; ε0 is the thermal conductivity of the drying gas generated by the drying gas generating device; S0 is the unit area.

[0027] The first control module is used to control the operation of the drying gas generating device so that the actual temperature of the drying gas generated by the drying gas generating device is the target temperature of the drying gas generated by the drying gas generating device.

[0028] Preferably, it further includes a first early warning device, the first early warning device comprising:

[0029] A conveyor belt tension detection device, used to detect the tension of the conveyor belt of the second conveyor device;

[0030] A third acquisition module is used to acquire material parameters of the conveyor belt of the second conveyor device, where the material parameters of the conveyor belt of the second conveyor device include: elastic modulus of the conveyor belt;

[0031] A first acquisition module is used to acquire parameters of the drying gas generated by the drying gas generating device, the parameters of the drying gas including: density of the drying gas;

[0032] A conveyor belt temperature detection module, used to detect the temperature of a temperature detection point of the conveyor belt of the second conveying device;

[0033] A timing module, used for timing the use time of the conveyor belt of the second conveying device;

[0034] A second calculation module, which calculates the allowable temperature of the gas generated by the drying gas generating device based on the conveyor belt tension detecting device, the third obtaining module, the first obtaining module, the conveyor belt temperature detecting module, and the timing module;

[0035]

[0036] T is the allowable temperature of the gas generated by the drying gas generating device; δ is the Poisson's ratio of the conveyor belt of the second conveyor device; A is the thermal expansion coefficient of the conveyor belt of the second conveyor device; B is the elastic modulus of the conveyor belt of the second conveyor device detected by the conveyor belt detection module most recently; T0 is the average temperature of the conveyor belt temperature detection point detected by the conveyor belt temperature detection module before the current second nozzle works; σ0 is the allowable comprehensive stress of the conveyor belt of the second conveyor device that meets the preset life requirement for stable operation; F is the tension of the conveyor belt of the second conveyor device detected by the conveyor belt tension detection device; G is the conveyor belt of the second conveyor device The gravity of the currently sliced ​​Chinese medicinal materials carried by the conveyor belt per unit area of ​​the medicinal material carrying area; τ is the Prandtl number of the drying gas generated by the drying gas generating device; γ0 is the density of the drying gas detected by the gas detection module; θ is the Reynolds number of the drying gas generated by the drying gas generating device; γ1 is the density of the conveyor belt of the second conveying device; ε0 is the thermal conductivity of the drying gas generated by the drying gas generating device; ε1 is the thermal conductivity of the conveyor belt of the second conveying device; t1 is the duration corresponding to the total life of the conveyor belt of the second conveying device; t0 is the detection value of the timing module; t2 is the unit time; S0 is the unit area;

[0037] A first temperature sensor, used to detect the actual temperature of the gas generated by the drying gas generating device;

[0038] The first warning module is used to issue a warning when the detection value of the first temperature sensor is greater than or equal to the allowable temperature of the gas generated by the drying gas generating device.

[0039] Preferably, the conveying direction of the conveyor belt of the second conveying device is from right to left, and the slice powdering device for preparing Chinese herbal medicine slices also includes:

[0040] A primary area division module, used for dividing the upper end of the conveyor belt of the second conveying device into a plurality of first areas along the length direction of the conveyor belt, each first area corresponding to a drying module;

[0041] A secondary area division module, used for dividing each first area into a plurality of second areas along the width direction of the conveyor belt, and numbering the second areas, wherein the number of each second area is composed of the first area number and the second area number;

[0042] A first detection module, wherein a plurality of first detection modules are arranged at intervals above each second area, and the first detection module is used to detect the humidity and temperature of the currently sliced ​​Chinese medicinal materials directly below it in real time;

[0043] The fourth acquisition module is used to obtain a first area number-standard medicinal material parameter mapping table of the currently sliced ​​Chinese medicinal material; the first area number-standard medicinal material parameter mapping table of the currently sliced ​​Chinese medicinal material is based on the initially used second conveying device and the initial drying module, and the target drying parameters of the currently sliced ​​Chinese medicinal material are dried, and the average detection value of the corresponding medicinal material parameters of all the second areas of each first area is the standard medicinal material parameter of the second area of ​​the corresponding first area;

[0044] A third calculation module, used for periodically calculating a drying state coefficient corresponding to the current first preset time length of each second area of ​​each first area based on the detection result of the first detection module within the current first preset time length;

[0045] A second warning module, for issuing a warning when the drying state coefficient corresponding to the current first preset time length of any second area is less than the first preset value, and determining the corresponding second area as the warning second area, and the corresponding first area as the warning first area;

[0046] A first determination module is used to determine that a drying state coefficient corresponding to the current first preset time length in the second area is greater than or equal to a first preset value and less than or equal to a second preset value, and to determine that the corresponding second area is the second area to be adjusted, and to determine that the corresponding first area is the first area to be adjusted;

[0047] A fourth calculation module, configured to calculate the number of the first area to be compensated based on the first determination module;

[0048] A second determining module is used to determine the warning first areas to be compensated from right to left based on the number of the first areas to be compensated; the number of the first areas to be compensated is the same as the number of the warning first areas to be compensated;

[0049] The second control module is used to control the drying module of the warning first area to be compensated to adjust the drying temperature and then dry the corresponding warning first area.

[0050] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments.

[0051] Compared with the prior art, the present invention has the following beneficial effects:

[0052] The Chinese medicinal materials to be sliced ​​are transported to the position of the cutting device through the first conveying device, sliced ​​by the cutting device, and the sliced ​​Chinese medicinal materials fall into the second conveying device. The drying device is used to dry the sliced ​​Chinese medicinal materials on the first conveying device. The dried sliced ​​Chinese medicinal materials are input into the powdering box through the inclined discharge trough, powdered by the powdering mechanism, and then discharged through the inclined discharge shell.

[0053] The present invention solves the following problems raised in the background technology: the existing slicing and powdering devices for preparing Chinese herbal medicine slices, such as CN111941481A, a high-efficiency slicing and powdering mechanism for Chinese herbal medicine slices, have: there is a lack of drying device for sliced ​​Chinese herbal medicines, and when the inside of the sliced ​​Chinese herbal medicines is relatively wet, the quality of the powdered herbal medicines is affected. BRIEF DESCRIPTION OF THE DRAWINGS

[0054] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0055] Figure 1 It is a structural schematic diagram of the present invention;

[0056] Figure 2 for Figure 1 A schematic diagram of the enlarged structure of region A;

[0057] Figure 3 is a cross-sectional view of the gearbox of the present invention;

[0058] Figure 4 This is a schematic structural diagram of a vertical plate of a second conveying device of the present invention arranged at the rear side.

[0059] In the figure: 1, lower box; 2, first bracket; 3, upper box; 4, vertical plate; 5, cutting support plate; 6, cutting device; 61, lifting rod; 62, guide sleeve; 63, vertical guide rod; 64, cutting knife; 7, powder box; 8, horizontal plate; 9, second bracket; 10, inclined discharge shell; 11, third bracket; 12, fourth bracket; 13, powder mechanism; 131, crushing shaft; 132, motor bracket; 133, gear box; 134, spur gear 1; 135, spur gear 2; 136, bevel gear 1; 137, bevel gear 2; 138, drive motor; 139, output shaft of drive motor; 14, first conveying device; 15, second conveying device; 151, conveyor belt; 16, inclined discharge trough; 17, first pipeline; 18, second pipeline; 19, second nozzle; 20, fixed bracket. DETAILED DESCRIPTION

[0060] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0061] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions and technical features between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0062] The present invention provides the following embodiments

[0063] Embodiment 1, the embodiment of the present invention provides a slice powdering device for preparing Chinese medicine slices, such as Figure 1-Figure 4 As shown, including:

[0064] The lower box body 1 is fixedly connected to the first bracket 2, two sets of vertical plates 4 are fixedly connected to the upper end of the lower box body 1 at intervals, the lower end of the upper box body 3 is open, and the front and rear sides of the lower end of the upper box body 3 are respectively fixedly connected to the two vertical plates 4;

[0065] The first conveying device 14, the cutting support plate 5, and the second conveying device 15 are sequentially connected between the two groups of vertical plates 4 at intervals on the left and right, and the inner wall of the upper end of the upper box body 3 is located at the upper end of the cutting support plate 5 and fixedly connected to the cutting device 6;

[0066] The powder box 7 is fixedly connected to the upper end of the horizontal plate 8, the lower end of the horizontal plate 8 is fixedly connected to the second bracket 9, the lower end of the powder box 7 is connected to the inclined discharge shell 10, the lower end of the inclined discharge shell 10 is fixedly connected to the third bracket 11 and the fourth bracket 12, and the powder box 7 is connected to the powder mechanism 13; wherein, in the present invention, a sealing door that can be opened and closed can be provided at the connection between the lower end of the powder box 7 and the inclined discharge shell 10, so as to realize that the inclined discharge shell 10 is connected or not connected with the lower end of the powder box 7;

[0067] An inclined discharge trough 16, the upper end of which is fixedly connected to the medicine discharge side of the vertical plate 4, and the lower end of which is connected to the feed port of the powder box 7;

[0068] The drying device is used to dry the sliced ​​Chinese medicinal materials on the first conveying device 14 .

[0069] In the present invention, the drying device can adopt an existing drying device.

[0070] The first box door is arranged at the front side of the lower box body 1, and the second box door and the third box door are arranged respectively at the upper end of the upper box body 3 above the second conveying device 15 and the first conveying device 14;

[0071] The beneficial effects of the above technical solution are as follows: the Chinese medicinal materials to be sliced ​​are transported to the position of the cutting device 6 through the first conveying device 14, sliced ​​by the cutting device 6, and the sliced ​​Chinese medicinal materials fall into the second conveying device 15. The drying device is used to dry the sliced ​​Chinese medicinal materials on the first conveying device 14. The sliced ​​Chinese medicinal materials after drying are input into the powder box 7 through the inclined discharge trough 16, powdered by the powdering mechanism 13, and then discharged through the inclined discharge shell 10.

[0072] The present invention solves the following problems raised in the background technology: the existing slicing and powdering devices for preparing Chinese herbal medicine slices, such as CN111941481A, a high-efficiency slicing and powdering mechanism for Chinese herbal medicine slices, have: there is a lack of drying device for sliced ​​Chinese herbal medicines, and when the inside of the sliced ​​Chinese herbal medicines is relatively wet, the quality of the powdered herbal medicines is affected.

[0073] Embodiment 2, based on embodiment 1, the cutting device 6 comprises:

[0074] A lifting rod 61, the fixed end of which is fixedly passed through the inner wall of the upper end of the upper box body 3, the lower end of which is fixedly connected to a cutting knife 64, and two sets of guide sleeves 62 are respectively fixed on the front and rear sides of the cutting knife 64; the lifting rod 61 can be a hydraulic rod;

[0075] Two groups of vertical guide rods 63 are fixedly connected to the inner wall of the upper end of the upper box body 3 with a front-to-back interval. Two groups of guide sleeves 62 are slidably sleeved on the two groups of vertical guide rods 63 respectively. The cutting knife 64 is located directly above the cutting support plate 5.

[0076] Preferably, the first conveying device 14 , the cutting support plate 5 , and the second conveying device 15 are arranged in sequence from right to left, and a slope with a lower left side and a higher right side is provided on the left side of the cutting support plate 5 ; the slope facilitates the medicinal materials to fall into the second conveying device 15 .

[0077] Preferably, the powdering mechanism 13 comprises:

[0078] Two sets of crushing shafts 131 are connected to the powder box 7 in rotation at intervals on the left and right sides. The crushing rollers are sleeved on the part of the crushing shafts 131 located in the powder box 7. Crushing teeth are arranged on the crushing rollers.

[0079] The motor bracket 132 is arranged at the front side of the powder box 7, the motor bracket 132 is fixedly connected to the upper end of the horizontal plate 8, the upper end of the motor bracket 132 is fixedly connected to the driving motor 138, and the output shaft 139 of the driving motor is arranged along the left and right directions. The front side of the powder box 7 is also fixedly provided with a gear box 133, and the front end of the crushing shaft 131 rotates and penetrates into the gear box 133. The parts of the two crushing shafts 131 located in the gear box 133 are respectively provided with a spur gear 1 134 and a spur gear 2 135, and the spur gear 1 134 and the spur gear 2 135 are meshed for transmission;

[0080] A bevel gear 136 is arranged on the output shaft 139 of the driving motor, and a bevel gear 137 is arranged on the crushing shaft 131. The bevel gear 136 and the bevel gear 137 are meshed and driven.

[0081] In the present invention, the working parameters of the cutting device 6 can be controlled according to the conveying line speed of the first conveying device 14 and the required slice thickness of the Chinese medicinal materials to be sliced ​​to perform multiple slices;

[0082] The working principle and beneficial effects of the above technical solution are:

[0083] When the Chinese medicinal material to be sliced ​​is transported to a position close to the cutting support plate 5 by the first conveying device 14, the lifting rod 61 is controlled to extend downward, driving the cutting knife 64 to move downward. When the Chinese medicinal material to be sliced ​​is transported to the position of the cutting support plate 5 by the first conveying device 14, it is cut by the cutting knife 64; the cutting knife 64 is guided by the guide sleeve 62 and the vertical guide rod 63 to ensure the movement stability of the cutting knife 64;

[0084] The powdering mechanism 13 works by controlling the drive motor 138. The output shaft 139 of the drive motor drives a crushing shaft 131 to rotate through the meshing transmission of bevel gear 136 and bevel gear 2 137. The two crushing shafts 131 rotate synchronously through the meshing transmission of spur gear 134 and spur gear 2 135, so that the two crushing rollers rotate synchronously to powder the sliced ​​Chinese medicinal materials.

[0085] Embodiment 3, based on embodiment 1 or 2,

[0086] The second conveying device 15 is a belt conveying device; when conveying sliced ​​Chinese medicinal materials, the conveyor belt 151 of the second conveying device 15 is heated by the jet device between the two vertical plates 4; the drying device includes a jet device and a drying gas generating device;

[0087] The jet device includes: a fixed bracket 20, the fixed bracket 20 is fixedly connected to the front side wall of the vertical plate 4 on the rear side, a plurality of second pipes 18 are fixedly passed through the fixed bracket 20 at horizontal intervals, the second pipes 18 are connected to the second nozzle 19, the plurality of second pipes 18 are connected to the first pipe 17, and the first pipe 17 is connected to the drying gas generating device; a first control valve is arranged on the first pipe 17, and a second control valve is arranged on the second pipe 18.

[0088] The conveyor belt of the present invention can be an existing mesh belt;

[0089] The present invention can be provided with only an air jet device as required, or with an air jet device and the following first drying mechanism (the sliced ​​Chinese medicinal materials on the conveyor belt 151 can be dried mainly by the first drying mechanism, and the air jet device only dries the smaller thickness of the lower end of the sliced ​​Chinese medicinal materials), and the first drying mechanism is provided in the upper box 3 just above the conveyor belt 151 of the second conveyor device 15 (see the structure of the above-mentioned air jet device, or it can be an existing dryer), and the first drying mechanism is used to dry the sliced ​​Chinese medicinal materials on the conveyor belt 151 of the second conveyor device 15;

[0090] The working principle and beneficial effects of the above technical solution are:

[0091] In order to prevent the portion of the sliced ​​Chinese medicinal materials that contacts the conveyor belt 151 from being unable to be dried by the drying equipment above the conveyor belt 151, drying gas is sprayed on the conveyor belt 151 to heat the conveyor belt 151 to dry the sliced ​​Chinese medicinal materials thereon, thereby ensuring reliable drying of the sliced ​​Chinese medicinal materials.

[0092] Embodiment 4, based on embodiment 3, further comprises:

[0093] A first acquisition module is used to acquire parameters of the drying gas generated by the drying gas generating device, the parameters of the drying gas including: density of the drying gas;

[0094] The second acquisition module is used to acquire the target linear speed of the conveyor belt 151 of the second conveying device 15 for conveying the currently sliced ​​Chinese medicinal materials, and the drying heat required to be transferred by the conveyor belt 151 of the second conveying device 15 for a single slice of the currently sliced ​​Chinese medicinal materials;

[0095] A first calculation module, configured to calculate a target temperature of the drying gas generated by the drying gas generating device based on the first acquisition module;

[0096]

[0097] T2 is the target temperature of the drying gas generated by the drying gas generating device; T1 is the temperature of the currently sliced ​​Chinese medicinal materials before entering the conveyor belt 151 of the second conveyor device 15; J is the drying heat per unit area of ​​the conveyor belt 151 of the second conveyor device 15 required when the currently sliced ​​Chinese medicinal materials are transported through the conveyor belt 151 of the second conveyor device 15; h1 and h2 are the heat exchange coefficients between the conveyor belt 151 of the second conveyor device 15 and the drying gas, and between the conveyor belt 151 of the second conveyor device 15 and the currently sliced ​​Chinese medicinal materials, respectively; H1 is the thickness of the conveyor belt; H2 is the thickness of the currently sliced ​​Chinese medicinal materials that needs to be dried by the conveyor belt; ε3 is the thermal conductivity of the currently sliced ​​Chinese medicinal materials; ε1 is the thermal conductivity of the conveyor belt 151 of the second conveyor device 15; L is the center distance of the conveyor belt 151 of the second conveying device 15; V is the target linear speed of the conveyor belt 151 of the second conveying device 15 for conveying the currently sliced ​​Chinese medicinal materials; J is the drying heat required to be transferred by the conveyor belt 151 of the second conveying device 15 for the single currently sliced ​​Chinese medicinal materials; S is the contact area between the single currently sliced ​​Chinese medicinal materials and the conveyor belt 151 of the second conveying device 15; ln is the natural logarithm, e is the natural constant; τ is the Prandtl number of the drying gas generated by the drying gas generating device; γ0 is the density of the drying gas detected by the gas detection module; θ is the Reynolds number of the drying gas generated by the drying gas generating device; γ1 is the density of the conveyor belt 151 of the second conveying device 15; ε0 is the thermal conductivity of the drying gas generated by the drying gas generating device; S0 is the unit area.

[0098] The first control module is used to control the operation of the drying gas generating device so that the actual temperature of the drying gas generated by the drying gas generating device is the target temperature of the drying gas generated by the drying gas generating device.

[0099] When the present invention is provided with an air jet device and the following first drying mechanism (the sliced ​​Chinese medicinal materials on the conveyor belt 151 can be mainly dried by the first drying mechanism, and the air jet device only dries the smaller thickness of the lower end of the sliced ​​Chinese medicinal materials), at this time, based on the test, it can be obtained that after being dried only by the first drying mechanism, the humidity of the lower end of the sliced ​​Chinese medicinal materials after passing through the second conveyor device 15 is greater than the thickness range of the preset humidity range, that is, H2, and the drying heat that needs to be provided by the conveyor belt for the sliced ​​Chinese medicinal materials can be determined based on H2 and the material parameters of the sliced ​​Chinese medicinal materials;

[0100] The beneficial effects of the above technical solution are:

[0101] It reflects the heat exchange intensity state coefficient between the conveyor belt 151 and the drying gas ejected by the jet device. Based on the heat exchange intensity state coefficient between the conveyor belt 151 and the drying gas ejected by the jet device, the temperature of the currently sliced ​​medicinal material before entering the conveyor belt 151 of the second conveyor device 15, the drying heat per unit area of ​​the conveyor belt 151 of the second conveyor device 15 required when the currently sliced ​​medicinal material is transported through the conveyor belt 151 of the second conveyor device 15, and the thermal conductivity and heat exchange state parameters of related materials (the heat exchange coefficient between the conveyor belt 151 of the second conveyor device 15 and the drying gas, the heat exchange coefficient between the conveyor belt 151 of the second conveyor device 15 and the currently sliced ​​medicinal material; the thickness of the conveyor belt; the thickness of the currently sliced ​​medicinal material that needs to be dried by the conveyor belt; the thermal conductivity of the currently sliced ​​medicinal material; ε1 is the thermal conductivity of the conveyor belt 151 of the second conveyor device 15) the target temperature of the drying gas generated by the drying gas generating device is determined to ensure that the target temperature of the drying gas generated by the determined drying gas generating device is calculated reliably and the drying effect of the conveyor belt 151 on the sliced ​​Chinese medicinal material is ensured.

[0102] Embodiment 5, based on Embodiment 3 or 4, further includes a first early warning device, the first early warning device includes:

[0103] A conveyor belt 151 tension detection device, used to detect the tension of the conveyor belt 151 of the second conveying device 15;

[0104] A third acquisition module is used to acquire material parameters of the conveyor belt 151 of the second conveyor device 15. The material parameters of the conveyor belt 151 of the second conveyor device 15 include: an elastic modulus of the conveyor belt 151;

[0105] A first acquisition module is used to acquire parameters of the drying gas generated by the drying gas generating device, the parameters of the drying gas including: density of the drying gas;

[0106] The conveyor belt 151 temperature detection module is used to detect the temperature of the temperature detection point of the conveyor belt 151 of the second conveying device 15;

[0107] A timing module, used to time the use time of the conveyor belt 151 of the second conveying device 15;

[0108] A second calculation module calculates the allowable temperature of the gas generated by the drying gas generating device based on the conveyor belt 151 tension detection device, the third acquisition module, the first acquisition module, the conveyor belt 151 temperature detection module, and the timing module;

[0109]

[0110] T is the allowable temperature of the gas generated by the drying gas generating device; δ is the Poisson's ratio of the conveyor belt 151 of the second conveying device 15; A is the thermal expansion coefficient of the conveyor belt 151 of the second conveying device 15; B is the elastic modulus of the conveyor belt 151 of the second conveying device 15 detected by the conveyor belt detection module; T0 is the average temperature of the conveyor belt temperature detection point detected by the conveyor belt temperature detection module before the current second nozzle works; σ0 is the allowable comprehensive stress of the conveyor belt 151 of the second conveying device 15 that meets the preset life requirement for stable operation F is the tension of the conveyor belt 151 of the second conveyor device 15 detected by the tension detection device of the conveyor belt 151; G is the gravity of the currently sliced ​​Chinese medicinal materials carried by the conveyor belt 151 per unit area of ​​the medicinal material carrying area of ​​the conveyor belt 151 of the second conveyor device 15; τ is the Prandtl number of the drying gas generated by the drying gas generating device; γ0 is the density of the drying gas detected by the gas detection module; θ is the Reynolds number of the drying gas generated by the drying gas generating device; γ1 is the density of the conveyor belt 151 of the second conveyor device 15; ε0 is the thermal conductivity of the drying gas generated by the drying gas generating device; ε1 is the thermal conductivity of the conveyor belt 151 of the second conveyor device 15; t1 is the duration corresponding to the total life of the conveyor belt 151 of the second conveyor device 15; t0 is the detection value of the timing module; t2 is the unit time; S0 is the unit area;

[0111] A first temperature sensor, used to detect the actual temperature of the gas generated by the drying gas generating device;

[0112] A first warning module, used for issuing a warning when the detection value of the first temperature sensor is greater than or equal to the allowable temperature of the gas generated by the drying gas generating device;

[0113] When this embodiment is combined with the above-mentioned embodiment 4, when the calculated T2 is greater than or equal to T, the first early warning module;

[0114] After calculating T2 for the current medicinal material, if the batch is dried at this T2 for a long time, when the detection value of the first temperature sensor is greater than or equal to the allowable temperature of the gas generated by the drying gas generating device, an early warning is issued. At this time, a reminder is given to adjust parameters such as the belt speed of the conveyor belt 151 so that the adjusted T2 is reduced to ensure the life of the conveyor belt 151; or the conveyor belt 151 is replaced.

[0115] The beneficial effects of the above technical solution are: due to the temperature of the drying gas, the conveyor belt generates temperature stress, and the conveyor belt 151 of the second conveying device 15 that meets the preset life requirement works stably. Tension state Use status of conveyor belt 151 The heat exchange intensity state coefficient between the conveyor belt 151 and the drying gas ejected by the jet device The material parameters of the conveyor belt (the elastic modulus of the conveyor belt 151 of the second conveying device 15 detected by the conveyor belt detection module, the Poisson's ratio of the conveyor belt 151 of the second conveying device 15, and the thermal expansion coefficient of the conveyor belt 151 of the second conveying device 15) determine the allowable temperature of the gas generated by the drying gas generating device, so as to avoid the allowable temperature of the gas generated by the drying gas generating device being too high, which may affect the service life of the conveyor belt 151 of the second conveying device 15 and the conveying stability of the second conveying device 15.

[0116] Embodiment 6, on the basis of Embodiments 1 and 2, the conveying direction of the conveyor belt 151 of the second conveying device 15 is from right to left, and the slice powdering device for preparing Chinese herbal medicine slices further includes:

[0117] A primary area division module is used to divide the upper end of the conveyor belt 151 of the second conveying device 15 into a plurality of first areas along the length direction of the conveyor belt 151, and each first area corresponds to a drying module (the present invention can be a drying device for drying materials on the existing conveyor belt when the conveyor belt transports materials, and can also be a drying device proposed in any one of Examples 3-5. In this case, each first area corresponds to a plurality of second pipes, and a gas heater can be detachably provided on each second pipe for heating the gas therein when necessary, so as to increase the temperature of the gas ejected from the second nozzle of the second pipe; in this case, if a first drying mechanism is provided, the first drying mechanism of the warning first area to be compensated also increases the drying temperature);

[0118] A secondary area division module, used to divide each first area into a plurality of second areas along the width direction of the conveyor belt 151, and number the second areas, wherein the number of each second area is composed of the first area number and the second area number;

[0119] A first detection module, wherein a plurality of first detection modules are arranged at intervals above each second area, and the first detection module is used to detect the humidity and temperature of the currently sliced ​​Chinese medicinal materials directly below it in real time;

[0120] The fourth acquisition module is used to obtain the first area number-standard medicinal material parameter mapping table of the currently sliced ​​Chinese medicinal material; the first area number-standard medicinal material parameter mapping table of the currently sliced ​​Chinese medicinal material is based on the second conveying device 15 used initially and the initial drying module, and the target drying parameters of the currently sliced ​​Chinese medicinal material are dried, and the average detection value of the corresponding medicinal material parameters of all the second areas of each first area is the standard medicinal material parameter of the second area of ​​the corresponding first area;

[0121] A third calculation module, used for periodically calculating a drying state coefficient corresponding to the current first preset time length of each second area of ​​each first area based on the detection result of the first detection module within the current first preset time length;

[0122] The second warning module is used to issue a warning when the drying state coefficient corresponding to the current first preset time length of any second area is less than the first preset value, and determine the corresponding second area as the warning second area, and the corresponding first area as the warning first area (abnormal fluctuation of the actual drying state coefficient); the existence of the first area with abnormal fluctuation of the actual drying state coefficient indicates that the overall state of the entire drying device (all drying modules) is abnormal, and the drying device needs to be overhauled as a whole;

[0123] A first determination module is used to determine that the drying state coefficient corresponding to the current first preset time length in the second area is greater than or equal to the first preset value and less than or equal to the second preset value (less than the standard drying state coefficient) to determine that the corresponding second area is the second area to be adjusted, and to determine that the corresponding first area is the first area to be adjusted (the drying state coefficient of the first area has an abnormal risk);

[0124] A fourth calculation module, configured to calculate the number of the first area to be compensated based on the first determination module;

[0125] a second determination module, configured to determine the first warning areas to be compensated from right to left based on the number of the first areas to be compensated; the number of the first areas to be compensated is the same as the number of the first warning areas to be compensated (for example, if the number of the first areas to be compensated is three, the three rightmost first warning areas are determined to be the first warning areas to be compensated);

[0126] The second control module is used to control the drying module of the warning first area to be compensated to adjust the drying temperature and then dry the corresponding warning first area.

[0127] The third calculation module is based on the following calculation formula:

[0128]

[0129] S ij A is the drying state coefficient corresponding to the current first preset time length of the jth second area of ​​the i-th first area; ij is the average temperature of the medicinal materials detected by all first detection modules in the i-th first area and the j-th second area within the current first preset time period; A ij0 The standard medicinal material temperature of the Chinese medicinal material of the current slice obtained based on the fourth acquisition module in the jth second area of ​​the i-th first area; B ij is the average value of the humidity of the medicinal materials detected by all first detection modules in the jth second area of ​​the ith first area within the current first preset time period; B ij0is the standard medicinal material humidity of the current slice of the Chinese medicinal material in the jth second area of ​​the i-th first area based on the fourth acquisition module; ∈1 is the medicinal material temperature evaluation weight (the value is greater than 0 and less than 1); ∈2 is the medicinal material humidity evaluation weight (the value is greater than 0 and less than 1); A ij1 is the standard deviation of the temperature of the medicinal material detected by all first detection modules in the jth second area of ​​the ith first area within the current first preset time period; B ij1 is the standard deviation of the humidity of the medicinal materials detected by all first detection modules in the jth second area of ​​the ith first area within the current first preset time period;

[0130] The fourth calculation module is calculated based on the following formula:

[0131]

[0132] C is the number of the first area to be compensated; S k is the current first preset time length, the average value of the drying state coefficients corresponding to the current first preset time lengths of all the second areas of the kth warning first area; S k-1 is the current first preset time length, the average value of the drying state coefficients corresponding to the current first preset time length of all the second areas of the k-1th warning first area (when the conveying direction of the conveyor belt 151 of the second conveying device 15 is from right to left, the kth warning first area is located on the left side of the k-1th warning first area); M is the total number of warning first areas corresponding to the current first preset time length; S0 is the reference value for dividing the first area to be compensated; min represents the minimum value; is the rounding symbol; G0 is the standard drying state coefficient of the currently sliced ​​Chinese medicinal materials (corresponding to the above-mentioned standard medicinal material temperature and standard medicinal material humidity).

[0133] The adjusted drying temperature (the temperature of the sprayed drying gas or the temperature of the dryer) of the first warning area to be compensated is calculated based on the following formula:

[0134]

[0135] D r is the target temperature of the current drying device in the first warning area of ​​the rth warning area to be compensated after adjustment; D r0 is the average drying temperature of the current drying device (which may be a dryer or a nozzle) of the rth warning first area to be compensated within the current first preset time length; lg is the logarithm with base 10; C0 is the total number of first areas to be adjusted;

[0136] The beneficial effects of the above technical solution are:

[0137] The present invention facilitates obtaining the drying effect status (corresponding to the actual drying state coefficient) of each position on the conveyor belt 151 of the second conveying device 15 by dividing the first area and the second area; if there is a first area (first warning area) with abnormal fluctuation of the actual drying state coefficient, a warning is issued in time to remind maintenance and adjustment of the drying device (specifically, the drying module before the maintenance warning first area);

[0138] The drying state coefficient of the first area to be adjusted has an abnormal risk (the actual temperature and humidity state of the first area to be adjusted is different from the standard temperature and humidity state, and there is an abnormal risk). At this time, in order to be closer to the standard temperature and humidity state to achieve a better drying effect, the parameters of the drying module of the drying device are adjusted; based on the number of first areas to be adjusted, an appropriate number of first areas to be compensated are determined, and then based on the number of first areas to be compensated, the warning first areas to be compensated are determined from right to left, and temperature compensation is performed to ensure the drying effect.

[0139] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A slice powdering device for preparing Chinese herbal medicine slices, characterized in that: include: The lower box body (1) is fixedly connected to the first bracket (2), two sets of vertical plates (4) are fixedly connected to the upper end of the lower box body (1) at intervals in front and back, the lower end of the upper box body (3) is open, and the front and rear sides of the lower end of the upper box body (3) are respectively fixedly connected to the two vertical plates (4); The first conveying device (14), the cutting support plate (5), and the second conveying device (15) are sequentially connected between the two groups of vertical plates (4) at intervals on the left and right, and the inner wall of the upper end of the upper box body (3) is located at the upper end of the cutting support plate (5) and is fixedly connected to the cutting device (6); A powder beating box (7), the powder beating box (7) is fixedly connected to the upper end of the horizontal plate (8), the lower end of the horizontal plate (8) is fixedly connected to the second bracket (9), the lower end of the powder beating box (7) is connected to the inclined discharge shell (10), the lower end of the inclined discharge shell (10) is fixedly connected to the third bracket (11) and the fourth bracket (12), and the powder beating box (7) is connected to a powder beating mechanism (13); An inclined discharge trough (16), the upper end of which is fixedly connected to the medicine discharge side of the vertical plate (4), and the lower end of which is connected to the feed port of the powder box (7); The drying device is used to dry the sliced ​​Chinese medicinal materials on the first conveying device (14).

2. A slice powdering device for preparing Chinese medicine slices according to claim 1, characterized in that: The cutting device (6) comprises: A lifting rod (61), the fixed end of the lifting rod (61) is fixedly passed through the inner wall of the upper end of the upper box body (3), the lower end of the lifting end of the lifting rod (61) is fixedly connected to the cutting knife (64), and two sets of guide sleeves (62) are respectively fixed on the front and rear sides of the cutting knife (64); Two groups of vertical guide rods (63) are fixedly connected to the inner wall of the upper end of the upper box body (3) at a front-to-back interval, and two groups of guide sleeves (62) are respectively slidably sleeved on the two groups of vertical guide rods (63), and the cutting knife (64) is located directly above the cutting support plate (5).

3. A slice powdering device for preparing Chinese medicine slices according to claim 1, characterized in that: The first conveying device (14), the cutting support plate (5), and the second conveying device (15) are arranged in sequence from right to left, and a slope with a lower left side and a higher right side is provided on the left side of the cutting support plate (5).

4. A slice powdering device for preparing Chinese medicine slices according to claim 1, characterized in that: The powdering mechanism (13) comprises: Two groups of crushing shafts (131) are rotatably connected to the powder box (7) at intervals on the left and right, and the part of the crushing shaft (131) located in the powder box (7) is sleeved with a crushing roller; A motor bracket (132) is arranged at the front side of the powder box (7), the motor bracket (132) is fixedly connected to the upper end of the horizontal plate (8), the upper end of the motor bracket (132) is fixedly connected to a driving motor (138), the output shaft (139) of the driving motor is arranged along the left and right directions, a gear box (133) is also fixedly arranged at the front side of the powder box (7), the front end of the crushing shaft (131) rotates and penetrates into the gear box (133), the parts of the two crushing shafts (131) located in the gear box (133) are respectively provided with a spur gear 1 (134) and a spur gear 2 (135), and the spur gear 1 (134) and the spur gear 2 (135) are meshed for transmission; A bevel gear 1 (136) is arranged on the output shaft (139) of the driving motor, and a bevel gear 2 (137) is arranged on a crushing shaft (131), and the bevel gear 1 (136) and the bevel gear 2 (137) are meshed and transmitted.

5. The device for powdering slices for preparing Chinese medicine slices according to claim 1, characterized in that: The second conveying device (15) is a belt conveying device; when conveying sliced ​​Chinese medicinal materials, the conveying belt (151) of the second conveying device (15) is heated by the jet device between the two vertical plates (4); The drying device includes an air jet device and a drying gas generating device; The jetting device comprises: a fixed bracket (20), the fixed bracket (20) is fixedly connected to the front side wall of the rear vertical plate (4), a plurality of second pipes (18) are fixedly passed through the fixed bracket (20) at intervals in a horizontal manner, the second pipes (18) are connected to the second nozzle (19), the plurality of second pipes (18) are connected to the first pipe (17), and the first pipe (17) is connected to the drying gas generating device; a first control valve is arranged on the first pipe (17), and a second control valve is arranged on the second pipe (18).

6. A slice powdering device for preparing Chinese medicine slices according to claim 5, characterized in that: Also includes: A first acquisition module is used to acquire parameters of the drying gas generated by the drying gas generating device, the parameters of the drying gas including: density of the drying gas; A second acquisition module is used to acquire a target linear speed of the conveyor belt (151) of the second conveying device (15) for conveying the currently sliced ​​Chinese medicinal material, and a drying heat amount of a single currently sliced ​​Chinese medicinal material that needs to be transferred by the conveyor belt (151) of the second conveying device (15); A first calculation module, configured to calculate a target temperature of the drying gas generated by the drying gas generating device based on the first acquisition module; T2 is the target temperature of the drying gas generated by the drying gas generating device; T1 is the temperature of the currently sliced ​​Chinese medicinal material before entering the conveyor belt (151) of the second conveying device (15); J is the drying heat per unit area of ​​the conveyor belt (151) of the second conveying device (15) when the currently sliced ​​Chinese medicinal material is conveyed by the conveyor belt (151) of the second conveying device (15); h1 and h2 are respectively the heat exchange coefficient between the conveyor belt (151) of the second conveying device (15) and the drying gas, and the heat exchange coefficient between the conveyor belt (151) of the second conveying device (15) and the currently sliced ​​Chinese medicinal material; H1 is the thickness of the conveyor belt; H2 is the thickness of the currently sliced ​​Chinese medicinal material that needs to be dried by the conveyor belt; ε3 is the thermal conductivity of the currently sliced ​​Chinese medicinal material; ε1 is the thermal conductivity of the conveyor belt (151) of the second conveying device (15) ; L is the center distance of the conveyor belt (151) of the second conveying device (15); V is the target linear speed of the conveyor belt (151) of the second conveying device (15) for conveying the currently sliced ​​Chinese medicinal materials; J is the drying heat required to be transferred by the conveyor belt (151) of the second conveying device (15) for the currently sliced ​​Chinese medicinal materials; S is the contact area between the currently sliced ​​Chinese medicinal materials and the conveyor belt (151) of the second conveying device (15); ln is the natural logarithm, and e is the natural constant; τ is the Prandtl number of the drying gas generated by the drying gas generating device; γ0 is the density of the drying gas detected by the gas detection module; θ is the Reynolds number of the drying gas generated by the drying gas generating device; γ1 is the density of the conveyor belt (151) of the second conveying device (15); ε0 is the thermal conductivity of the drying gas generated by the drying gas generating device; S0 is the unit area; The first control module is used to control the operation of the drying gas generating device so that the actual temperature of the drying gas generated by the drying gas generating device is the target temperature of the drying gas generated by the drying gas generating device.

7. A slice powdering device for preparing Chinese medicine slices according to claim 5, characterized in that: Also included is a first early warning device, the first early warning device comprising: A conveyor belt (151) tension detection device, used for detecting the tension of the conveyor belt (151) of the second conveying device (15); a third acquisition module, used for acquiring material parameters of a conveyor belt (151) of the second conveyor device (15), wherein the material parameters of the conveyor belt (151) of the second conveyor device (15) include: an elastic modulus of the conveyor belt (151); A first acquisition module is used to acquire parameters of the drying gas generated by the drying gas generating device, the parameters of the drying gas including: density of the drying gas; A conveyor belt (151) temperature detection module, used to detect the temperature of a temperature detection point of the conveyor belt (151) of the second conveying device (15); A timing module, used for timing the use time of the conveyor belt (151) of the second conveying device (15); A second calculation module, which calculates the allowable temperature of the gas generated by the drying gas generating device based on the conveyor belt (151) tension detection device, the third acquisition module, the first acquisition module, the conveyor belt (151) temperature detection module, and the timing module; T is the allowable temperature of the gas generated by the drying gas generating device; δ is the Poisson's ratio of the conveyor belt (151) of the second conveying device (15); A is the thermal expansion coefficient of the conveyor belt (151) of the second conveying device (15); B is the elastic modulus of the conveyor belt (151) of the second conveying device (15) detected by the conveyor belt detection module most recently; T0 is the average temperature of the conveyor belt temperature detection point detected by the conveyor belt temperature detection module before the current second nozzle works; σ0 is the allowable comprehensive stress of the conveyor belt (151) of the second conveying device (15) for stable operation that meets the preset life requirement; F is the tension of the conveyor belt (151) of the second conveying device (151) detected by the conveyor belt (151) tension detection device; G is the tension of the second conveying device (151) The unit area of ​​the conveyor belt (151) of the conveyor belt (151) carrying the medicinal materials is the gravity of the currently sliced ​​Chinese medicinal materials carried by the conveyor belt (151); τ is the Prandtl number of the drying gas generated by the drying gas generating device; γ0 is the density of the drying gas detected by the gas detection module; θ is the Reynolds number of the drying gas generated by the drying gas generating device; γ1 is the density of the conveyor belt (151) of the second conveying device (15); ε0 is the thermal conductivity of the drying gas generated by the drying gas generating device; ε1 is the thermal conductivity of the conveyor belt (151) of the second conveying device (15); t1 is the duration corresponding to the total life of the conveyor belt (151) of the second conveying device (15); t0 is the detection value of the timing module; t2 is the unit time; S0 is the unit area; A first temperature sensor, used to detect the actual temperature of the gas generated by the drying gas generating device; The first warning module is used to issue a warning when the detection value of the first temperature sensor is greater than or equal to the allowable temperature of the gas generated by the drying gas generating device.

8. A slice powdering device for preparing Chinese medicine slices according to claim 1, characterized in that: The conveying direction of the conveyor belt (151) of the second conveying device (15) is from right to left. The slice powdering device for preparing Chinese herbal medicine slices also includes: A primary area division module, used for dividing the upper end of the conveyor belt (151) of the second conveying device (15) into a plurality of first areas along the length direction of the conveyor belt (151), each first area corresponding to a drying module; A secondary area division module, used for dividing each first area into a plurality of second areas along the width direction of the conveyor belt (151), and numbering the second areas, wherein the number of each second area is composed of the first area number and the second area number; A first detection module, wherein a plurality of first detection modules are arranged at intervals above each second area, and the first detection module is used to detect the humidity and temperature of the currently sliced ​​Chinese medicinal materials directly below it in real time; The fourth acquisition module is used to obtain a first area number-standard medicinal material parameter mapping table of the Chinese medicinal material currently sliced; the first area number-standard medicinal material parameter mapping table of the Chinese medicinal material currently sliced ​​is based on the second conveying device (15) initially used and the initial drying module, and the target drying parameters of the Chinese medicinal material currently sliced ​​are dried, and the average detection value of the corresponding medicinal material parameters of all the second areas of each first area is the standard medicinal material parameter of the second area of ​​the corresponding first area; A third calculation module, used for periodically calculating a drying state coefficient corresponding to the current first preset time length of each second area of ​​each first area based on the detection result of the first detection module within the current first preset time length; A second warning module, for issuing a warning when the drying state coefficient corresponding to the current first preset time length of any second area is less than the first preset value, and determining the corresponding second area as the warning second area, and the corresponding first area as the warning first area; A first determination module is used to determine that a drying state coefficient corresponding to the current first preset time length in the second area is greater than or equal to a first preset value and less than or equal to a second preset value, and to determine that the corresponding second area is the second area to be adjusted, and to determine that the corresponding first area is the first area to be adjusted; A fourth calculation module, configured to calculate the number of the first area to be compensated based on the first determination module; A second determining module is used to determine the warning first areas to be compensated from right to left based on the number of the first areas to be compensated; the number of the first areas to be compensated is the same as the number of the warning first areas to be compensated; The second control module is used to control the drying module of the warning first area to be compensated to adjust the drying temperature and then dry the corresponding warning first area.

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