Hot air circulating oven for drying and sterilizing medicinal materials

Abstract

The utility model discloses a hot air circulating oven for drying and sterilizing medicinal materials, which comprises a hollow oven body, and a plurality of drying and sterilizing parts are fixedly arranged in the hollow oven body; the material storage drawing box is arranged in the hollow box body in a drawable manner, and the material storage drawing box is positioned below the drying and sterilizing part; the hot-air blower is fixedly mounted on the outer side of the hollow box body, and the hot-air blower is used for conveying hot air to the plurality of drying and sterilizing parts through a main conveying pipe; through cooperation of the drawable material storage drawing box and the hinged screen plate structure, an operator only needs to pull the material storage drawing box out of the box body in a half mode, the second screen plate can be turned over to form the open material taking area, and compared with a traditional full-drawing mode, the opening area of the box body is reduced, heat loss is remarkably reduced, and the constant-temperature environment in the drying oven is maintained. Meanwhile, the split type first screen plate and the second screen plate are connected in a hinged mode, the second screen plate can be independently turned over or detached for local cleaning, the material storage assembly does not need to be integrally detached, and the problem that accumulated materials at dead corners of a traditional welded screen plate are difficult to clean is effectively solved.

Description

Technical Field

[0001] This utility model relates to the field of traditional Chinese medicine processing technology, and in particular to a hot air circulating oven for drying and sterilizing medicinal materials. Background Technology

[0002] Hot air circulating ovens are commonly used for drying and sterilization in the processing of traditional Chinese medicinal materials. However, the design of their material storage and retrieval structure directly affects operational efficiency and heat loss. Traditional ovens often use integrated material trays or fully pull-out storage boxes, which have significant drawbacks in practical applications: when processing loose or large medicinal materials, operators must completely pull the storage box out of the oven to retrieve the material, which not only occupies a large amount of operating space but also easily leads to rapid heat loss from the oven, disrupting the constant temperature environment. In addition, conventional mesh panels often use an integral welded structure, requiring the entire storage assembly to be disassembled for local cleaning or maintenance, significantly increasing equipment downtime. Utility Model Content

[0003] The purpose of this invention is to overcome the problems of existing medicinal material drying ovens, which mostly adopt an integrated material tray or a fully pull-out storage box design, resulting in rapid heat loss and complicated material removal operations. This invention provides a hot air circulating drying oven for drying and sterilizing medicinal materials.

[0004] A hot air circulating oven for drying and sterilizing medicinal materials, comprising:

[0005] A hollow box, wherein multiple drying and sterilization components are fixedly installed inside the hollow box;

[0006] A material storage drawer is removably installed inside a hollow box, and the material storage drawer is located below the drying and sterilization unit;

[0007] A hot air blower is fixedly installed on the outside of the hollow box, and the hot air blower delivers hot air to multiple drying and sterilization components through the main delivery pipe;

[0008] The storage box includes a main frame, with a first mesh plate at the bottom of the main frame, and a second mesh plate hinged to one side of the first mesh plate; a fastener is provided in the middle of the second mesh plate away from the first mesh plate; and a locking member is provided on the side of the main frame near the fastener, with the fastener fastened to the locking member.

[0009] Furthermore, the fastener is configured as a strip structure, with two round holes at one end; the clip is configured as two fixing posts; the round holes are fitted onto the fixing posts.

[0010] Furthermore, the drying and sterilization component includes

[0011] A fixed frame, wherein the fixed frame is configured as a hollow rectangular structure;

[0012] A serpentine blower tube is fixedly installed inside the fixed frame by a bracket; the input end of the serpentine blower tube is connected to the main delivery tube; and the bottom of the serpentine blower tube is evenly provided with downward-facing air holes.

[0013] The ultraviolet lamp assembly is fixedly installed inside the fixed frame, interspersed with the serpentine blower tube.

[0014] Furthermore, a guide plate is inclinedly arranged at the bottom of the hollow box; a liquid collection tank is also provided at the bottom of the hollow box, and the liquid collection tank is located at the lowest point of the guide plate; a liquid collection box is removably installed inside the liquid collection tank.

[0015] Furthermore, a guide plate is also provided on the outside of the hollow box, and the guide plate is located below the storage box.

[0016] Furthermore, a set of through holes is provided on the bottom side wall of the hollow box.

[0017] The beneficial effects of this utility model are:

[0018] (1) By combining the pull-out storage box with the hinged mesh plate structure, the operator only needs to pull the storage box halfway out of the box (about 1 / 3-1 / 2 stroke) to flip the second mesh plate to form an open material retrieval area. Compared with the traditional full-pull-out mode, the opening area of ​​the box is reduced, significantly reducing heat loss and maintaining a constant temperature environment inside the oven. At the same time, the split first mesh plate and the second mesh plate are connected by hinges, and the second mesh plate can be flipped or disassembled separately for local cleaning without the need to completely remove the storage component, effectively solving the problem of difficult cleaning of dead corners and material accumulation in traditional welded mesh plates.

[0019] (2) Through the staggered layout design of the serpentine air blower and the ultraviolet lamp group, hot air is sprayed vertically downward from the air hole at the bottom of the serpentine tube to form a hot air curtain covering the entire width of the storage box. Combined with the multi-angle radiation of ultraviolet light, the hot air contact time on the surface of the medicinal material is extended, thus improving the sterilization efficiency. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of the device;

[0021] Figure 2 This is a schematic diagram of the internal structure of the device;

[0022] Figure 3 This is a schematic diagram of the drying and sterilization components.

[0023] Figure 4 This is a schematic diagram of the material storage drawer structure;

[0024] Figure 5 Schematic diagram of the opening structure of the material storage drawer;

[0025] In the diagram, 1-hollow box, 2-control panel, 3-material storage box, 31-main frame, 3201-first mesh plate, 3202-second mesh plate, 33-fastener, 34-round hole, 35-clamp, 4-liquid collection box, 41-liquid collection trough, 5-hot air blower, 51-main conveying pipe, 6-drying and sterilization component, 61-fixed frame, 62-serpentine air duct, 63-support, 64-ultraviolet lamp assembly, 7-guide plate, 8-material guide plate, 9-through hole assembly. Detailed Implementation

[0026] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be noted that, unless otherwise specified, the following embodiments and features described therein can be combined with each other.

[0027] It should be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of the present invention. Therefore, the drawings only show the components related to the present invention and are not drawn according to the number, shape and size of the components in actual implementation. In actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0028] Example 1

[0029] like Figures 1-5 As shown, a hot air circulating oven for drying and sterilizing medicinal materials includes a hollow box body 1, which is welded from 304 stainless steel and has a high-temperature resistant ceramic coating on the inner wall. The bottom side wall of the hollow box body 1 has two rows of through holes 9 for forming a bottom airflow microcirculation.

[0030] Multiple drying and sterilization components 6 are fixedly installed inside the hollow box 1; the drying and sterilization components 6 include

[0031] The fixed frame 61 is a hollow rectangular structure composed of four plates. The serpentine air duct 62 is fixed inside the fixed frame 61 by a bracket 63. The input end of the serpentine air duct 62 is connected to the main conveying pipe 51. The bottom of the serpentine air duct 62 is evenly provided with downward-facing air holes. Specifically, the middle part of the serpentine air duct 62 is the inlet end, which is connected to the main conveying pipe 51. In this solution, the drying and sterilization components 6 are set to three.

[0032] An ultraviolet lamp assembly 64 is fixedly installed inside the fixing frame 61, alternating with the serpentine air blowing tube 62. The ultraviolet lamp assembly 64 uses four 30W UVC lamp tubes with a wavelength of 265nm, arranged alternately with the serpentine tubes. A material storage box 3 is removably installed inside the hollow box 1, and the material storage box 3 is located below the drying and sterilization component 6.

[0033] The storage drawer 3 includes a main frame 31, which is assembled from aluminum alloy profiles. A first mesh plate 3201 is located at the bottom interior of the main frame 31, and a second mesh plate 3202 is hinged to one side of the first mesh plate 3201. A fastener 33 is located in the middle of the second mesh plate 3202 away from the first mesh plate 3201. A locking member 35 is located on the side of the main frame 31 near the fastener 33, and the fastener 33 is fastened to the locking member 35. The second mesh plate 3202 is connected to the first mesh plate via a stainless steel hinge, and a fastener 33 is welded to its free end. The fastener is a flexible strip with a round hole 34 at its end. Two stainless steel fixing posts are installed on the right side wall of the main frame 31 as locking members 35, with the round hole and the fixing post fitting together to allow for the rotation and fixation of the second mesh plate 3201.

[0034] A hot air blower 5 is fixedly installed on the outside of the hollow housing 1. The hot air blower 5 delivers hot air to multiple drying and sterilization components 6 through the main delivery pipe 51. Specifically, the hot air blower 5 is existing technology and includes at least components such as heating elements, a fan, and a filter screen, which will not be described in detail here.

[0035] The hollow housing 1 also has a guide plate 7 inclinedly installed at its bottom; a liquid collection tank 41 is also provided at the bottom of the hollow housing 1, located at the lowest point of the guide plate 7; a liquid collection box 4 is removably installed inside the liquid collection tank 41. In this design, the guide plate 7 is inclined at 15°, its surface is coated with a polytetrafluoroethylene non-stick coating, and its lowest end is connected to the liquid collection tank 41. The bottom of the liquid collection box 4 is equipped with a silicone sealing strip, which can be pulled out and replaced along the guide rail.

[0036] To facilitate the collection of medicinal materials, a guide plate 8 is also provided on the outside of the hollow box 1, and the guide plate 8 is located below the storage box 3.

[0037] In this scheme, in order to control the equipment, a control panel 2 is also set up on the outside of the hollow box 1. The device is used by touch screen. The specific operation process and software are not the contents to be protected by this scheme and are omitted here.

[0038] The working process of this device

[0039] Step 1: Loading and Start-up: Fix the second mesh plate 3202 so that the first mesh plate 3201 and the second mesh plate 3202 form the entire feeding mesh plate. Spread the medicinal materials flat in the storage box 3 and push it into the storage box 3 to the closed position. Start the hot air blower 5 and set the temperature. At the same time, turn on the ultraviolet lamp group 64.

[0040] Step 2: Drying and Sterilization Operation: Hot air generated by the hot air blower 5 is distributed through the main delivery pipe 51 to each serpentine blower 62, and sprayed vertically downwards from the air holes, forming a laminar flow of hot air covering the surface of the medicinal materials. Ultraviolet light irradiates the surface of the medicinal materials at a 25° angle, working synergistically with the hot air: the hot air is responsible for deep dehydration, and the ultraviolet light kills surface microorganisms. The juice dripping from the medicinal materials flows into the collection tank 4 along the guide plate 7, and the humid air is discharged from the through-hole group 9.

[0041] Step 3: Half-pull material handling operation: After drying, pull the storage box outwards to 1 / 2 stroke. At this time, the round hole of fastener 33 is still engaged with clamp 35. Lift fastener 33 up so that it disengages from clamp 35, and flip the second mesh plate 3202 downwards to the open position. At this time, the medicinal materials on the second mesh plate 3202 fall onto the guide plate 8 and enter the loading box. The medicinal materials on the first mesh plate 3201 are scraped off with a sampling shovel and fall from the area of ​​the first mesh plate 3202 into the guide plate 8.

[0042] The embodiments described above merely illustrate specific implementations of this utility model, and while the descriptions are detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A hot air circulating oven for drying and sterilizing medicinal materials, characterized in that: include Hollow box (1), and multiple drying and sterilization components (6) are fixedly installed inside the hollow box (1); The material storage box (3) is removably installed inside the hollow box (1), and the material storage box (3) is located below the drying and sterilization component (6); A hot air blower (5) is fixedly installed on the outside of the hollow box (1). The hot air blower (5) delivers hot air to multiple drying and sterilization parts (6) through the main delivery pipe (51). The storage box (3) includes a main frame (31), and a first mesh plate (3201) is provided at the bottom of the interior of the main frame (31). A second mesh plate (3202) is hinged to one side of the first mesh plate (3201). A fastener (33) is provided in the middle of the second mesh plate (3202) away from the first mesh plate (3201). A clip (35) is provided on the side of the main frame (31) near the fastener (33), and the fastener (33) is fastened to the clip (35).

2. A hot air circulating oven for drying and sterilizing medicinal materials according to claim 1, characterized in that: The fastener (33) is configured as a strip structure, and two round holes (34) are opened at one end of the strip structure; the clip (35) is configured as two fixing posts; the round holes (34) are sleeved on the fixing posts.

3. A hot air circulating oven for drying and sterilizing medicinal materials according to claim 1, characterized in that: The drying and sterilization component (6) includes A fixed frame (61) is configured as a hollow rectangular structure; The serpentine air duct (62) is fixedly installed inside the fixed frame (61) by a bracket (63); the input end of the serpentine air duct (62) is connected to the main delivery pipe (51); the bottom of the serpentine air duct (62) is uniformly provided with downward-facing air holes. The ultraviolet lamp assembly (64) and the serpentine blower tube (62) are fixedly arranged inside the fixed frame (61) in an alternating manner.

4. A hot air circulating oven for drying and sterilizing medicinal materials according to claim 1, characterized in that: The hollow box (1) is also provided with a guide plate (7) at an incline at the bottom; the bottom of the hollow box (1) is also provided with a liquid collection tank (41), which is located at the lowest point of the guide plate (7); the liquid collection tank (4) is provided in the liquid collection tank (41) in a pull-out manner.

5. A hot air circulating oven for drying and sterilizing medicinal materials according to claim 1, characterized in that: The hollow box (1) is also provided with a guide plate (8) on the outside, which is located below the storage box (3).

6. A hot air circulating oven for drying and sterilizing medicinal materials according to claim 1, characterized in that: The bottom sidewall of the hollow box (1) is provided with a group of through holes (9).

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