A drying machine for processing herbal Chinese medicine

Abstract

The present invention relates to the technical field of traditional Chinese medicine processing machinery, and more specifically, to a dryer for processing herbaceous traditional Chinese medicine. A dryer for processing herbaceous traditional Chinese medicine comprises a fixing machine and a dryer body, wherein the fixing machine is connected end to end with a conveyor belt, and the dryer body comprises a transmission mechanism, a discharging mechanism, a drying mechanism, and a frame, wherein the transmission mechanism comprises several conveyor belts and a motor, wherein the motor is fixedly connected to the frame, the conveyor belt comprises a mesh belt and a transmission wheel, the transmission wheel is connected to the mesh belt, and the motor provides power to the transmission wheel, the drying mechanism comprises a drying unit, the discharging mechanism comprises an air inlet pipe, a fan, and an air outlet pipe, wherein the air inlet pipe is connected to the top of the dryer, the air outlet pipe is connected to the side of the dryer, a collection box is provided under the fan, and a discharge port is provided at the bottom of the collection box. The present invention has the advantages of being able to uniformly heat the material, which is conducive to reducing energy consumption and having high drying efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of traditional Chinese medicine processing machinery, in particular to a drying machine used for processing herb traditional Chinese medicine. Background Art

[0002] During the processing of traditional Chinese medicine, it is necessary to dry the medicinal materials. However, the dryers widely used at present mostly adopt a closed heating and drying structure, which requires a feeding-drying-discharging process operation. The drying efficiency is low, and long-term drying and heating will cause the heated surface to receive more heat, resulting in uneven heating.

[0003] Prior Art 1: Chinese Patent CN201721322581.6, a mesh belt dryer discloses the following: A mesh belt dryer comprises a machine body, wherein the machine body is provided with multiple layers of evenly arranged drying and conveying devices, the drying and conveying devices comprising drive wheels and conveyor belts, the two adjacent groups of drying and conveying devices being respectively connected to the two sides of the inner wall of the machine body, a feed conveying device being provided on one side of the machine body, the feed conveying device being respectively provided with a rotatable fan A, a fan B and a vibrator. The present invention uses a hot air furnace as a heating device, which has high thermal efficiency, stable hot air temperature, and accurate temperature control, and can effectively ensure the drying quality and stability of tea leaves; the heating device is connected to the top dehumidification and dust removal device through a drying cavity to form an air flow duct, which can be matched and adjusted by a control system to enhance the air circulation effect and improve the drying efficiency. The moisture, tea leaves, dust, etc. generated during the tea drying process can also be removed by the dehumidification and dust removal device to ensure the drying quality of the tea leaves.

[0004] Prior art 2: Patent CN201921844342.6, a multi-layer mesh belt dryer previously applied for by the present applicant, discloses the following: a multi-layer mesh belt dryer comprising a transmission mechanism, a drying mechanism, and a frame, wherein the transmission mechanism comprises a plurality of conveyor belts and a motor, wherein the motor is fixedly connected to the frame, the conveyor belt comprises a mesh belt and a transmission wheel, wherein the transmission wheel is connected to the mesh belt, and the motor provides power for the transmission wheel, and the drying mechanism comprises a plurality of drying units, wherein the drying units are fixedly connected to the frame. The present invention has uniform heating and high drying efficiency, and adopts a mesh belt for drying, which helps to reduce energy consumption and save manpower. At the same time, multiple drying units are used for drying and dehumidification from the top, which helps to prevent water vapor condensation and wetting of the dried material.

[0005] The existing technology 1 has the defect that heating is performed from the side, which easily causes the material to fly out of the mesh belt, and the consumption is large, which is not conducive to reducing costs. The existing technology 2 has the following shortcomings in the use of herb Chinese medicine: herb Chinese medicine includes two parts: leaves and stems of the plant. During the drying process, the leaves are very easy to be dried, and only two to three layers of drying are required, but the stems require five layers of mesh belts to be completely dried. Therefore, there is a need for a dryer for herb Chinese medicine processing that can heat the material evenly, is conducive to reducing costs, and has high drying efficiency. Summary of the Invention

[0006] In order to solve the above problems, a dryer for processing herbal Chinese medicine is provided, which can evenly heat the material, reduce energy consumption, and has high drying efficiency.

[0007] A dryer for processing herbaceous Chinese medicine comprises a fixing machine and a dryer body, wherein the fixing machine is connected end to end with the conveyor belt, and the dryer body comprises a transmission mechanism, a discharging mechanism, a drying mechanism and a frame, wherein the transmission mechanism comprises several conveyor belts and a motor, and the motor is fixedly connected to the frame, the conveyor belt comprises a mesh belt and a transmission wheel, and the transmission wheel is connected to the mesh belt, and the motor provides power for the transmission wheel, the drying mechanism comprises a drying unit, and the discharging mechanism comprises an air inlet pipe, a fan and an air outlet pipe, wherein the air inlet pipe is connected to the top of the dryer, and the air outlet pipe is connected to the side of the dryer, a collection box is provided under the fan, and a discharge port is provided at the bottom of the collection box.

[0008] First, the present invention adopts a mesh belt structure, which can enhance the air permeability of the material during the drying process and facilitate the rapid drying of the material. In addition, the present invention adopts multiple drying units to dry the material on the conveyor belt, which helps to improve the drying efficiency. At the same time, compared with traditional dryers, the present invention adopts a conveyor belt to transport materials in the dryer, eliminating the need for manual feeding and discharging operations. When the material is transported out of the dryer through the conveyor belt, the drying is completed, which helps to improve efficiency and reduce energy consumption. Secondly, the present invention adopts a combined with a withering and drying scheme, which can prevent the grass leaves from directly changing color due to high-temperature drying, thereby ensuring the quality of the product. In addition, the present invention adopts a cyclone blower discharging method, and blows the dried grass Chinese medicine into a collecting device through airflow. This scheme utilizes the characteristic that grass Chinese medicine is easily blown up after drying, and transforms the factors that are originally not conducive to drying into a method for separating and discharging the stems and leaves of grass Chinese medicine, preventing the leaves from changing color and breaking due to drying, thereby reducing costs and improving product quality.

[0009] Preferably, the conveyor belts are located at different horizontal heights, and between every two adjacent conveyor belts, the head end of the lower conveyor belt is located below the end end of the upper conveyor belt.

[0010] During use, the material to be dried is placed on the conveyor belt and then transported between different conveyor belts. In the process of falling from one conveyor belt to another, the material will be stir-fried and fully heated and dried. The material falling into the other conveyor belt will be more fluffy, which is conducive to enhancing the drying effect.

[0011] Preferably, the conveyor belt comprises an odd-numbered conveyor belt and an even-numbered conveyor belt, and the odd-numbered conveyor belt and the even-numbered conveyor belt rotate in opposite directions.

[0012] During the movement of the materials on the conveyor belts, the materials continuously make reciprocating motion inside the frame, thereby enhancing the drying effect of the present invention.

[0013] Preferably, the drive wheels of every two adjacent odd-numbered layers of conveyor belts are connected by a transmission chain, and the drive wheels of every two adjacent even-numbered layers of conveyor belts are connected by a transmission chain. The motor is divided into a first motor and a second motor. The drive wheel of the bottom odd-numbered layer of conveyor belt is connected to the first motor through a transmission chain, and the drive wheel of the bottom even-numbered layer of conveyor belt is connected to the second motor through a transmission chain. The rotation directions of the first motor and the second motor are opposite.

[0014] The present invention adopts the above structure and only needs two motors to drive the multi-layer conveyor belt, which helps to improve the drying efficiency and reduce the cost.

[0015] Preferably, the drying unit is located on the inner side of the mesh belt, and the drying unit is an electromagnetic heater.

[0016] The present invention adopts the structure of the drying unit, which is different from the existing technology. It can simultaneously dry the leaves from the upper and lower sides through mesh belt drying and air flow drying, thereby improving the drying efficiency, ensuring that the leaves are dry and separated, and facilitating the next step of discharging.

[0017] Preferably, it also includes a dehumidification fan and a dehumidification pipe, the dehumidification pipe includes a bottom dehumidification air duct and a dehumidification air inlet pipe, the dehumidification air inlet pipe is located at the top of the dryer body, and the dehumidification air inlet pipe is connected to the dehumidification fan.

[0018] The present invention also provides a dehumidification fan and other structures, and it is arranged on the top of the frame, so that the direction of the dehumidification airflow and the discharge airflow are consistent, preventing the airflow from being turbulent, thereby helping heat to circulate in the dryer, improving the drying efficiency, and also improving the dehumidification efficiency of the present invention.

[0019] Preferably, the air inlet pipe is located above the third-layer conveyor belt, and the air suction direction of the air outlet pipe is the same as the conveying direction of the third-layer conveyor belt.

[0020] The present invention adopts the above structure to utilize the inertia of the material, thereby reducing the difficulty of sucking out the leaf material, thereby achieving rapid separation of the leaves and stems.

[0021] Preferably, the fixing machine includes a fixing section and a conveying section, the fixing section is provided with a heater, and the head end of the conveying section is located below the tail end of the fixing section.

[0022] Preferably, the fixing section includes a fixing machine conveyor belt and a heating mechanism, and the heating mechanism is located inside the fixing machine conveyor belt.

[0023] The present invention adopts the above structure, and during use, the Chinese medicine is firstly fixed, which helps to prevent the Chinese medicine from changing color and breaking during the drying process.

[0024] The beneficial effects of the present invention are: 1. The present invention heats evenly and has high drying efficiency; 2. The use of a mesh belt for drying helps to reduce energy consumption and save manpower; 3. The use of a cyclone for discharging can separate herbal Chinese medicines from other impurities, thereby reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A structural schematic diagram of the present invention;

[0026] Figure 2 is a side view of the present invention;

[0027] Figure 3 It is a structural diagram of the discharging mechanism. DETAILED DESCRIPTION

[0028] The present invention will be further explained below with reference to specific implementation cases.

[0029] A dryer for processing herbal Chinese medicine comprises a fixing machine 2 and a dryer body 1. The dryer body 1 comprises a transmission mechanism 3, a discharging mechanism 4, a drying mechanism 5, and a frame 6. The transmission mechanism 3 comprises five conveyor belts 7 and a motor 8. The fixing machine 2 is connected end to end with the topmost conveyor belt 7. The motor 8 is fixedly connected to the frame 6. The conveyor belt 7 comprises a mesh belt 9 and a transmission wheel 10. The transmission wheel 10 is connected to the mesh belt 9. The motor 8 provides power for the transmission wheel 10. The drying mechanism 5 comprises a drying unit 11. The discharging mechanism 4 comprises an air inlet pipe 12, a fan 13, and an air outlet pipe 14. The air inlet pipe 12 is connected to the top of the dryer, and the air outlet pipe 14 is connected to the side of the dryer. A collection box 15 is provided below the fan, and a discharge port 27 is provided at the bottom of the collection box. The air inlet pipe is located above the third-layer conveyor belt, and the air suction direction of the air outlet pipe is the same as the conveying direction of the third-layer conveyor belt. Each conveyor belt 7 is located at a different horizontal height, and between every two adjacent conveyor belts 7, the head end of the lower conveyor belt 7 is located below the tail end of the upper conveyor belt 7. The conveyor belts 7 include odd-numbered conveyor belts 15 and even-numbered conveyor belts 16. The odd-numbered and even-numbered conveyor belts 16 rotate in opposite directions. The drive pulleys 10 of every two adjacent odd-numbered conveyor belts 15 are connected by a transmission chain, and the drive pulleys 10 of every two adjacent even-numbered conveyor belts 16 are connected by a transmission chain. The motor 8 is divided into a first motor 17 and a second motor 18. The drive pulley 10 of the bottom odd-numbered conveyor belt 15 is connected to the first motor 17 by a transmission chain, and the drive pulley 10 of the bottom even-numbered conveyor belt 16 is connected to the second motor 18 by a transmission chain. The first motor 17 and the second motor 18 rotate in opposite directions. The drying unit 11 is located inside the mesh belt 9 and is an electromagnetic heater. The present invention also includes a dehumidification fan 19 and a dehumidification duct 20. The dehumidification duct includes a bottom dehumidification duct 22 and a dehumidification air inlet duct 21. The dehumidification air inlet duct 21 is located at the top of the dryer body and is connected to the dehumidification fan 19. The fixing machine 2 includes a fixing section 23 and a conveying section 24. The fixing section 23 is equipped with a heater. The head end of the conveying section 24 is located below the end of the fixing section 23. The fixing section 23 includes a fixing machine conveyor belt 25 and a heating mechanism 26. The heating mechanism 26 is located inside the fixing machine conveyor belt 25.

[0030] First, the present invention adopts the structure of the mesh belt 9, which can enhance the air permeability of the material during the drying process and facilitate the rapid drying of the material. In addition, the present invention adopts multiple drying units 11 to dry the material on the conveyor belt 7, which helps to improve the drying efficiency. At the same time, compared with the traditional dryer, the present invention adopts the conveyor belt 7 to transport the material in the dryer, eliminating the need for manual feeding and discharging operations. When the material is transported out of the dryer through the conveyor belt 7, the drying is completed, which helps to improve efficiency and reduce energy consumption. Secondly, the present invention adopts a solution of combining with withering and drying, so as to prevent the herbs from changing color during the drying process, thereby improving the quality of the product. At the same time, the present invention adopts a method that helps to reduce labor costs and electricity costs.

[0031] During use of the present invention, the material is placed on the conveyor belt 11. Under the action of the drying unit 21, the material moves on the conveyor belt and passes through five conveyor belts in sequence to be dried by the electromagnetic heater. On the third conveyor belt, the leaves are sucked into the collection box by the fan and then discharged from the discharge port. The stems are dried by the five conveyor belts and then discharged from the bottom of the dryer. At this time, the leaves and stems are mixed and processed for the next step. The moisture generated during the drying process is discharged by the dehumidification fan to prevent water vapor condensation from wetting the material again. The present invention effectively prevents the leaves from breaking or discoloring during the drying process, improves the yield rate, and also reduces energy consumption.

Claims

1. A drying machine for processing herbal Chinese medicine, comprising a fixing machine and a drying machine body, characterized in that: The dryer body includes a transmission mechanism, a discharging mechanism, a drying mechanism, a frame, a dehumidification fan and a dehumidification pipe. The transmission mechanism includes several conveyor belts and a motor. The fixing machine is connected to the conveyor belt end to end. The motor is fixedly connected to the frame. The conveyor belt includes a mesh belt and a transmission wheel. The transmission wheel is connected to the mesh belt. The motor provides power for the transmission wheel. The drying mechanism includes a drying unit. The discharging mechanism includes an air inlet pipe, a fan and an air outlet pipe. The air inlet pipe is connected to the top of the dryer, and the air outlet pipe is connected to the side of the dryer. A collecting box is provided under the fan, and a discharge port is provided at the bottom of the collecting box. The dehumidification pipe includes a bottom dehumidification air duct and a dehumidification air inlet pipe. The dehumidification air inlet pipe is located at the top of the dryer body, the dehumidification air inlet pipe is connected to the dehumidification fan, and the dehumidification fan is located at the top of the frame.

2. A drying machine for processing herbaceous Chinese medicine according to claim 1, characterized in that :The conveyor belts are all located at different horizontal heights, and between every two adjacent conveyor belts, the head end of the lower conveyor belt is located below the end end of the upper conveyor belt.

3. A drying machine for processing herbaceous Chinese medicine according to claim 1 or 2, characterized in that :The conveyor belt includes an odd-numbered conveyor belt and an even-numbered conveyor belt, and the rotation directions of the odd-numbered conveyor belt and the even-numbered conveyor belt are opposite.

4. A drying machine for processing herbaceous Chinese medicine according to claim 3, characterized in that : The transmission wheels of every two adjacent odd-numbered conveyor belts are connected by a transmission chain, and the transmission wheels of every two adjacent even-numbered conveyor belts are connected by a transmission chain. The motor is divided into a first motor and a second motor. The transmission wheel of the bottom odd-numbered conveyor belt is connected to the first motor through a transmission chain, and the transmission wheel of the bottom even-numbered conveyor belt is connected to the second motor through a transmission chain. The rotation directions of the first motor and the second motor are opposite.

5. A drying machine for processing herbaceous Chinese medicine according to claim 1 or 4, characterized in that :The drying unit is located on the inner side of the mesh belt, and the drying unit is an electromagnetic heater.

6. A drying machine for processing herbaceous Chinese medicine according to claim 5, characterized in that :The air inlet pipe is located above the third-layer conveyor belt, and the suction direction of the air outlet pipe is the same as the conveying direction of the third-layer conveyor belt.

7. A drying machine for processing herbaceous Chinese medicine according to claim 6, characterized in that :The fixing machine includes a fixing section and a conveying section. The fixing section is provided with a heater, and the head end of the conveying section is located below the end of the fixing section.

8. A drying machine for processing herbaceous Chinese medicine according to claim 7, characterized in that :The fixing section includes a fixing machine conveyor belt and a heating mechanism, and the heating mechanism is located on the inner side of the fixing machine conveyor belt.

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