CN117781637A - Circulating hot air oven for processing rhizoma polygonati yunnanensis and rhizoma bletillae slices - Google Patents
Circulating hot air oven for processing rhizoma polygonati yunnanensis and rhizoma bletillae slices Download PDFInfo
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- CN117781637A CN117781637A CN202410207103.9A CN202410207103A CN117781637A CN 117781637 A CN117781637 A CN 117781637A CN 202410207103 A CN202410207103 A CN 202410207103A CN 117781637 A CN117781637 A CN 117781637A
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a circulating hot air oven for processing Polygonatum kingianum and bletilla striata slices, and relates to the technical field of Polygonatum kingianum and bletilla striata slice processing, wherein the hot air oven comprises an outer box body and a box opening; the device also comprises hollow supporting leg parts, a material placing part and an exhaust fan, wherein the opposite surfaces of the two hollow supporting leg parts are respectively provided with an air outlet through hole, and the two hollow supporting leg parts are respectively communicated with the two backflow chambers; the bottom of the outer box body is provided with a filter screen air inlet communicated with the inner drying box; the material placing component is arranged inside the inner drying box, the material placing component can rotate inside the inner drying box, two ends of the material placing component respectively extend into the two backflow chambers, and air flow flowing inside the backflow chambers can drive the material placing component to rotate. The invention has simple structure, improves the utilization rate of the heat of the air flow, and the circulating air flow can drive the rhizoma polygonati and the rhizoma bletillae slices to rotate in the drying area, so that the rhizoma polygonati and the rhizoma bletillae slices are fully contacted with the air flow, the drying effect is improved, and the practicability is higher.
Description
Technical Field
The invention relates to the technical field of traditional Chinese medicine slicing processing, in particular to a circulating hot air oven for processing polygonatum kingianum and bletilla striata slices.
Background
Polygonatum kingianum has sweet taste and mild nature, can tonify kidney, tonify liver and spleen, moisten lung and promote salivation, has effects of nourishing yin and tonifying blood for females, and can strengthen physique, and the rhizome contains various nutritional components including sugar, fat, protein, starch, carotene, vitamins and the like, and can be eaten raw or stewed, so that the health care tea can allay hunger and strengthen body resistance. Rhizoma polygonati can promote the appetite, numb the mouth and tongue, stimulate the throat, contact the juice, cause itching of the skin, and can be eliminated after baking (processing), and can also enhance the drug property. Bletilla striata, as a traditional Chinese medicinal material, has rich medicinal value. It is rich in various active ingredients such as flavonoids, berberine, etc., has antibacterial, antiinflammatory, and analgesic effects, and can be used for treating digestive system diseases, gynecological diseases, etc.
The traditional Chinese medicine slices such as the rhizoma polygonati, the rhizoma bletillae and the like are dried by using drying equipment in the manufacturing process, and the main purpose of drying is to dry the slices, so that the slices are convenient to store and store. The main realization mode of the existing hot air oven for drying important Polygonatum kingianum and rhizoma bletillae slices is as follows: adopting a fan to supply air to the heater, guiding air flow to the inner chamber of the oven by the air duct after the heater heats the air flow, and finally discharging the air flow by the air port; however, the air flow discharged from the air port contains waste heat and is directly discharged, so that energy waste is caused, the air flow in the inner chamber of the oven is uneven, and the drying degrees of the rhizoma polygonati and rhizoma bletillae slices at different positions are different, so that the quality of the slices is different.
Disclosure of Invention
The invention aims to provide a circulating hot air oven for processing Polygonatum kingianum and bletilla striata slices, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the circulating hot air oven for processing the rhizoma polygonati and rhizoma bletillae comprises an outer box body and a box opening, wherein the box opening is formed in one side wall of the outer box body, a door cover part is arranged at the box opening, an inner drying box is arranged in the outer box body, and a communication cavity at the top and two backflow cavities at two sides are formed between the inner drying box and the outer box body; the device comprises an outer box body, two outer box bodies, two hollow supporting leg parts, a material placing part and an exhaust fan, wherein the two hollow supporting leg parts are symmetrically arranged at two sides of the bottom of the outer box body, air outlet through holes are formed in opposite surfaces of the two hollow supporting leg parts, and the two hollow supporting leg parts are respectively communicated with two backflow cavities; the bottom of the outer box body is provided with a filter screen air inlet communicated with the inner drying box, the exhaust fan is arranged at the top of the inner drying box and used for guiding the air flow in the inner drying box to the two backflow chambers in a split-flow mode; the material placing component is arranged inside the inner drying box, the material placing component can rotate inside the inner drying box, two ends of the material placing component respectively extend into the two backflow chambers, and air flow flowing inside the backflow chambers can drive the material placing component to rotate.
Based on the technical scheme, the invention also provides the following optional technical schemes:
in one alternative: the air outlet opening is provided with a moisture removing component, the moisture removing component comprises a moisture adsorption box cover and a water absorbing layer filled in the moisture adsorption box cover, and the moisture adsorption box cover is arranged at the air outlet opening and provided with a plurality of air outlet holes on the outer wall of the moisture adsorption box cover far away from the air outlet opening.
In one alternative: the air outlet port is outwards protruded and two sides are outwards turned over, clamping bodies which can be sleeved on two sides of the air outlet port are arranged on two sides of the moisture absorption box cover, and the side surface, far away from the hollow supporting leg part, of the moisture absorption box cover is of an arc surface structure.
In one alternative: the material placing component comprises a main rod shaft, a bearing bracket and a plurality of material placing groove components, wherein the main rod shaft is rotatably arranged in the inner drying box, and two ends of the main rod shaft respectively extend into corresponding backflow chambers; the end part of the main rod shaft extending into the backflow cavity is provided with rotary fan blades, the bearing support is arranged on the main rod shaft and provided with support arms with the same number as the material placing groove components, each support arm is provided with auxiliary rod shafts in running fit with the support arms, the end part of each auxiliary rod shaft is provided with a gear part, the end wall of the inner drying box is provided with an inner gear ring, the gear parts are meshed with the inner gear ring, and the material placing groove components are correspondingly arranged on the auxiliary rod shafts; under the action of air flow, the rotating fan blade can drive the main rod shaft to rotate.
In one alternative: put the silo subassembly and include the chucking frame, put the silo and detain the portion tightly, the chucking frame is U type structure and chucking frame middle part is connected with the auxiliary shaft, puts the silo and establishes in chucking frame inboard, puts silo limit lateral wall and chucking frame's support arm sliding connection, puts the bottom fretwork of silo and put the silo diapire on distribute a plurality of yunnan sealss and bletilla sliced recess grooves of being used for holding in the palm, detain the portion and be two and symmetry respectively establish the both ends at the chucking frame.
In one alternative: the width of putting the silo is less than the width of chucking frame, the knot portion of holding includes lug and dog, and the lug is established and is provided with the storage tank on the terminal surface of the tip and lug of chucking frame, the dog slides and establishes inside the lug.
In one alternative: the top of the outer box body is provided with an upper mounting cover plate, the end part of the upper mounting cover plate extending into the communication cavity is provided with an air guide plate, the air guide plate is of an inverted V-shaped structure, the air guide plate is opposite to an air outlet of the exhaust fan, and water-absorbing fillers are filled in the air guide plate.
In one alternative: the door is characterized in that at least two connecting struts which are rotationally connected with the end face of the outer box body are arranged on the upper side of the door cover part, a handle is arranged on the lower side of the door cover part, a magnetic strip is arranged at the position, close to the top, of the end face of the outer box body, and a magnetic sheet which can produce magnetic attraction with the magnetic strip is arranged on the door cover part.
In one alternative: the end face of the outer box body is also provided with a display panel, the inner drying box is internally provided with an electric heating sheet, the side of the inner drying box is provided with a temperature sensor, and the temperature sensor and the electric heating sheet are electrically connected with the display panel.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the drying air flow can circularly flow in the inner drying box, the backflow chamber and the hollow supporting leg part, and the circularly flowing air flow carries waste heat and enters the inner drying box again, so that energy sources for heating the air flow in the inner drying box can be effectively saved;
2. according to the invention, the airflow flowing in the reflux cavity can act on the material placing component, so that the material placing component can rotate, and the rhizoma polygonati and rhizoma bletillae slices rotate along with the material placing component in the inner drying box, so that the airflow is effectively contacted, the airflow circulation speed is improved, and the drying effect is further improved;
3. the invention has simple structure, fully utilizes the waste heat of the circulating air flow to dry the rhizoma polygonati and the rhizoma bletillae, improves the utilization rate of the heat of the air flow, and the circulating air flow can drive the rhizoma polygonati and the rhizoma bletillae to rotate in the drying area, so that the rhizoma polygonati and the rhizoma bletillae are fully contacted with the air flow, improves the drying effect, and has strong practicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of a hot air oven according to an embodiment of the present invention.
Fig. 2 is a schematic view showing the internal structure of the outer case in one embodiment of the present invention.
Fig. 3 is a schematic structural view of a material placing component according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a chute assembly according to an embodiment of the invention.
Fig. 5 is a schematic view showing the structure of a moisture removing member in one embodiment of the present invention.
Reference numerals:
the outer case 100, the case mouth 200, the door cover part 210, the handle 220, the connection strut 230, the display panel 240, the magnetic stripe 250, the magnetic sheet 260, the hollow strut part 300, the air outlet port 310, the inner drying case 400, the filter screen air inlet 410, the backflow chamber 420, the communication chamber 430, the electric heating sheet 440, the moisture removing part 500, the moisture absorbing box cover 510, the water absorbing layer 520, the clamping body 530, the air outlet hole 540, the material placing part 600, the main rod shaft 610, the rotating fan blade 620, the bearing bracket 630, the material placing groove assembly 640, the clamping frame 641, the material placing groove 642, the concave groove 643, the bump 644, the containing groove 645, the stop 646, the inner gear ring 650, the gear part 660, the auxiliary rod shaft 670, the air exhauster 700, the upper mounting cover 800 and the air inducing plate 810.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples; in the drawings or description, similar or identical parts are provided with the same reference numerals, and in practical applications, the shape, thickness or height of each part may be enlarged or reduced. The examples set forth herein are intended to be illustrative of the invention and are not intended to limit the scope of the invention. Any obvious modifications or alterations to the invention, as would be apparent, are made without departing from the spirit and scope of the present invention.
In one embodiment, as shown in fig. 1-3, a circulating hot air oven for processing rhizoma polygonati and rhizoma bletillae comprises an outer box body 100 and a box opening 200, wherein the box opening 200 is formed on one side wall of the outer box body 100, a door cover part 210 is arranged at the box opening 200, an inner drying box 400 is arranged in the outer box body 100, and a communication cavity 430 positioned at the top and two backflow cavities 420 positioned at two sides are formed between the inner drying box 400 and the outer box body 100; the device further comprises two hollow supporting legs 300, a material placing part 600 and an exhaust fan 700, wherein the two hollow supporting legs 300 are symmetrically arranged on two sides of the bottom of the outer box body 100, air outlet ports 310 are respectively arranged on opposite surfaces of the two hollow supporting legs 300, and the two hollow supporting legs 300 are respectively communicated with the two backflow chambers 420; the bottom of the outer box 100 is provided with a filter screen air inlet 410 communicated with the inner drying box 400, an exhaust fan 700 is arranged at the top of the inner drying box 400, and the exhaust fan 700 is used for guiding the air flow in the inner drying box 400 to the two backflow chambers 420 in a split manner; the material placing component 600 is arranged in the inner drying box 400, the material placing component 600 can rotate in the inner drying box 400, two ends of the material placing component 600 respectively extend into the two backflow chambers 420, and air flow flowing in the backflow chambers 420 can drive the material placing component 600 to rotate;
in the embodiment of the invention, the box opening 200 is opened, the rhizoma polygonati and rhizoma bletillae slices are placed on the material placing component 600 through the box opening 200, and the door cover part 210 is closed, so that the inside of the outer box body 100 is closed; the exhaust fan 700 draws the air flow inside the inner drying box 400, so that the air flow between the two hollow leg parts 300 enters the inner drying box 400 through the filter screen air inlet 410, the air flow is heated inside the inner drying box 400 and flows to the exhaust fan 700, and the air flow passing through the material placing part 600 carries out drying treatment on the rhizoma polygonati and rhizoma bletillae slices on the material placing part 600; taking away the moisture on the rhizoma polygonati and rhizoma bletillae slices by air flow; the exhaust fan 700 guides the air flow in the inner drying box 400 to the two backflow chambers 420, the air flow flows into the hollow supporting leg 300 through the backflow chambers 420, and the flowing air flow acts on the end part of the material placing part 600 extending into the backflow chambers 420, so that the material placing part 600 can rotate, and further the rhizoma polygonati and rhizoma bletillae slice rotate along with the material placing part 600 in the inner drying box 400, so that the air flow is effectively contacted, the air flow speed is improved, and the drying effect is further improved; the air flow in the backflow chamber 420 flows into the hollow supporting leg 300, and flows out from the air outlet port 310 and flows at the bottom of the filter screen air inlet 410, and part of the air flow can enter the interior of the inner drying box 400 again through the filter screen air inlet 410, so that the circulating flow is realized, the circulating flow carries waste heat and enters the interior of the inner drying box 400 again, and energy sources for heating the air flow in the inner drying box 400 can be effectively saved.
In one embodiment, as shown in fig. 1 and 5, a moisture removing member 500 is disposed at the air outlet 310, the moisture removing member 500 includes a moisture adsorbing cap 510 and a water absorbing layer 520 filled in the moisture adsorbing cap 510, the moisture adsorbing cap 510 is installed at the air outlet 310, and a plurality of air outlet holes 540 are formed on an outer wall of the moisture adsorbing cap 510 far from the air outlet 310; in the embodiment of the present invention, the air flow flowing out from the air outlet 310 enters the moisture adsorption box cover 510, the air flow passes through the water absorbing layer 520 and is sprayed out from the air outlet 540, and when the air flow passes through the water absorbing layer 520, the moisture in the air flow is absorbed by the water absorbing layer 520, so that the air flow at the bottom of the air inlet 410 of the filter screen contains less moisture, and the air flow entering the inner drying box 400 can enhance the drying effect of the rhizoma polygonati and rhizoma bletillae slices.
In one embodiment, as shown in fig. 1-3, the air outlet port 310 protrudes outwards and two sides of the air outlet port are turned outwards, two sides of the moisture adsorption box cover 510 are provided with clamping bodies 530 which can be slid on two sides of the air outlet port 310, and the side surface of the moisture adsorption box cover 510 away from the hollow leg 300 is in an arc surface structure; in the embodiment of the invention, the clamping bodies 530 are sleeved on two sides of the air outlet port 310, so that the moisture adsorption box cover 510 can slide out from the end of the air outlet port 310, thereby facilitating the disassembly and replacement of the whole moisture removal component 500.
In one embodiment, as shown in fig. 2 and 3, the material placing part 600 includes a main shaft 610, a support bracket 630 and a plurality of material placing groove assemblies 640, wherein the main shaft 610 is rotatably disposed in the inner drying box 400, and two ends of the main shaft 610 extend into the corresponding reflow chambers 420 respectively; the end part of the main shaft 610 extending into the backflow chamber 420 is provided with rotary fan blades 620, the supporting bracket 630 is arranged on the main shaft 610 and is provided with support arms with the same number as the material placing groove components 640, each support arm is provided with a pair of shaft 670 in rotary fit with the support arms, the end part of the pair of shaft 670 is provided with a gear part 660, the end wall of the inner drying box 400 is provided with an inner gear ring 650, the gear part 660 is meshed with the inner gear ring 650, and a plurality of material placing groove components 640 are correspondingly arranged on the pair of shaft 670; under the action of the air flow, the rotating fan blades 620 can drive the main shaft 610 to rotate; in the embodiment of the present invention, when the air flow in the backflow chamber 420 flows into the hollow leg 300, the air flow acts on the rotating fan blades 620, and the rotating fan blades 620 can drive the main shaft 610 to rotate; the bearing support 630 rotates along with the rotating fan blade 620, so that the material placing groove component 640 rotates along with the bearing support 630 around the axis of the main rod shaft 610, the gear portion 660 is meshed with the internal gear ring 650, the auxiliary rod shaft 670 can rotate when rotating around the axis of the main rod shaft 610, the material placing groove component 640 rotates relative to the auxiliary rod shaft 670 when rotating around the main rod shaft 610, the material placing groove component 640 always keeps in a horizontal state and rotates around the main rod shaft 610, the Polygonatum kingianum and the rhizoma bletillae can rotate around the main rod shaft 610 on the material placing groove component 640, the Polygonatum kingianum and the rhizoma bletillae are fully contacted with hot air, and drying effect is improved.
In one embodiment, as shown in fig. 3 and 4, the trough assembly 640 includes a clamping frame 641, a trough 642 and a fastening portion, the clamping frame 641 has a U-shaped structure, the middle of the clamping frame 641 is connected with the auxiliary rod shaft 670, the trough 642 is disposed inside the clamping frame 641, the side wall of the trough 642 is slidably connected with the arm of the clamping frame 641, the bottom of the trough 642 is hollowed out, a plurality of concave grooves 643 for supporting rhizoma polygonati and rhizoma bletillae slices are distributed on the bottom wall of the trough 642, and two fastening portions are symmetrically disposed at two ends of the clamping frame 641; in the embodiment of the invention, the rhizoma polygonati and rhizoma bletillae slices are placed in the placing groove 642, and the rhizoma polygonati and rhizoma bletillae slices roll into the concave groove 643; when the holding groove 642 is pushed into the clamping frame 641, the fastening part at the end part of the clamping frame 641 fastens the holding groove 642 on the clamping frame 641, so that the holding groove 642 is prevented from vibrating inside the clamping frame 641 when the clamping frame 641 rotates.
In one embodiment, as shown in fig. 4, the width of the storage groove 642 is smaller than the width of the clamping frame 641, the fastening portion includes a protrusion 644 and a stopper 646, the protrusion 644 is disposed at an end of the clamping frame 641, a receiving groove 645 is disposed on an end surface of the protrusion 644, and the stopper 646 is slidably disposed inside the protrusion 644; in the embodiment of the present invention, when the holding groove 642 is not installed in the clamping frame 641, the stopper 646 is positioned inside the receiving groove 645, and the holding groove 642 slides into the clamping frame 641 from between the two ends of the clamping frame 641; the stopper 646 is pushed again so that the stopper 646 slides to the front end portion of the storage tank 642, thereby restricting the storage tank 642 from sliding out of the inside of the chucking frame 641.
In one embodiment, as shown in fig. 2, an upper mounting cover plate 800 is disposed at the top of the outer case 100, and an air guiding plate 810 is disposed at the end of the upper mounting cover plate 800 extending into the communication chamber 430, the air guiding plate 810 has an inverted V-shaped structure, the air guiding plate 810 is opposite to the air outlet of the exhaust fan 700, and a water absorbing filler is filled in the air guiding plate 810; in the embodiment of the present invention, the exhaust fan 700 blows the air flow inside the inner drying box 400 toward the air guiding plate 810, and after the air guiding plate 810 contacts the air flow, moisture in the air flow is absorbed and the air flow is guided to both sides, so that the air flow sprayed from the exhaust fan 700 is divided into two air flows respectively flowing to the two return chambers 420.
In one embodiment, as shown in fig. 1, at least two connection struts 230 rotatably connected to the end surface of the outer casing 100 are disposed on the upper side of the door cover 210, a handle 220 is disposed on the lower side of the door cover 210, a magnetic strip 250 is disposed on the end surface of the outer casing 100 near the top, and a magnetic sheet 260 capable of magnetically attracting the magnetic strip 250 is disposed on the door cover 210; in the embodiment of the present invention, the operator holds the handle 220 and lifts it upward, the door 210 is turned upward and opens the opening 200, and the door 210 turned upside down can maintain a stable state due to the magnetic attraction between the magnetic sheet 260 and the magnetic strip 250.
In one embodiment, as shown in fig. 1 and 2, a display panel 240 is further disposed on the end surface of the outer case 100, an electric heating plate 440 is disposed inside the inner drying case 400, and a temperature sensor is disposed at the side of the electric heating plate 440, and the temperature sensor and the electric heating plate 440 are electrically connected to the display panel 240; in the embodiment of the present invention, the electric heating sheet 440 is used to heat the air flow in the inner drying oven 400, the temperature sensor senses the temperature in the inner drying oven 400 and transmits the sensed data to the display panel 240, and the display panel 240 displays the temperature in the inner drying oven 400 and controls the output power of the inner drying oven 400.
The above embodiment provides a circulating hot air oven for processing rhizoma polygonati and rhizoma bletillae, wherein an exhaust fan 700 draws air flow inside an inner drying box 400, so that air flow between two hollow leg portions 300 enters inside the inner drying box 400 through a filter screen air inlet 410, the air flow is heated inside the inner drying box 400 and flows to the exhaust fan 700, and the air flow passing through a material placing part 600 dries rhizoma polygonati and rhizoma bletillae on a material placing part 600; taking away the moisture on the rhizoma polygonati and rhizoma bletillae slices by air flow; the exhaust fan 700 guides the air flow in the inner drying box 400 to the two backflow chambers 420, the air flow flows into the hollow supporting leg 300 through the backflow chambers 420, and the flowing air flow acts on the end part of the material placing part 600 extending into the backflow chambers 420, so that the material placing part 600 can rotate, and further the rhizoma polygonati and rhizoma bletillae slice rotate along with the material placing part 600 in the inner drying box 400, so that the air flow is effectively contacted, the air flow speed is improved, and the drying effect is further improved; the air flow in the backflow chamber 420 flows into the hollow supporting leg 300, and flows out from the air outlet port 310 and flows at the bottom of the filter screen air inlet 410, and part of the air flow can enter the interior of the inner drying box 400 again through the filter screen air inlet 410, so that the circulating flow is realized, the circulating flow carries waste heat and enters the interior of the inner drying box 400 again, and energy sources for heating the air flow in the inner drying box 400 can be effectively saved.
The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (9)
1. The circulating hot air oven for processing the rhizoma polygonati and rhizoma bletillae comprises an outer box body and a box opening, wherein the box opening is formed in one side wall of the outer box body, a door cover part is arranged at the box opening, an inner drying box is arranged in the outer box body, and a communication cavity at the top and two backflow cavities at two sides are formed between the inner drying box and the outer box body; the device is characterized by also comprising a hollow supporting leg part, a material placing part and an exhaust fan;
the two hollow supporting leg parts are symmetrically arranged at two sides of the bottom of the outer box body, air outlet through holes are formed in the opposite surfaces of the two hollow supporting leg parts, and the two hollow supporting leg parts are respectively communicated with the two backflow chambers;
the bottom of the outer box body is provided with a filter screen air inlet communicated with the inner drying box, the exhaust fan is arranged at the top of the inner drying box and used for guiding the air flow in the inner drying box to the two backflow chambers in a split-flow mode;
the material placing component is arranged inside the inner drying box, the material placing component can rotate inside the inner drying box, two ends of the material placing component respectively extend into the two backflow chambers, and air flow flowing inside the backflow chambers can drive the material placing component to rotate.
2. The circulating hot air oven for processing rhizoma polygonati yunnanensis and rhizoma bletillae slices according to claim 1, wherein a moisture removing component is arranged at the air outlet port;
the moisture removing component comprises a moisture adsorption box cover and a water absorbing layer filled in the moisture adsorption box cover;
the moisture adsorption box cover is arranged at the air outlet port, and a plurality of air outlet holes are formed in the outer wall of the moisture adsorption box cover, which is far away from the air outlet port.
3. The circulating hot air oven for processing rhizoma polygonati yunnanensis and rhizoma bletillae according to claim 2, wherein the air outlet port protrudes outwards and two sides are turned outwards;
two sides of the moisture adsorption box cover are provided with clamping bodies which can be sleeved on two sides of the air outlet through hole in a sliding mode, and the side face, far away from the hollow supporting leg portion, of the moisture adsorption box cover is of an arc surface structure.
4. The circulating hot air oven for processing rhizoma polygonati yunnanensis and rhizoma bletillae slices according to claim 1, wherein the material placing component comprises a main rod shaft, a bearing bracket and a plurality of material placing groove components;
the main rod shaft is rotatably arranged in the inner drying box, and two ends of the main rod shaft extend to the corresponding backflow chambers respectively;
the end part of the main rod shaft extending into the backflow cavity is provided with a rotary fan blade;
the bearing support is arranged on the main rod shaft and is provided with support arms the same as the material placing groove components in number, each support arm is provided with an auxiliary rod shaft in rotary fit with the corresponding support arm, and the end part of each auxiliary rod shaft is provided with a gear part;
an inner gear ring is arranged on the end wall of the inner drying box, the gear part is meshed with the inner gear ring, and a plurality of material placing groove components are correspondingly arranged on the auxiliary rod shaft;
under the action of air flow, the rotating fan blade can drive the main rod shaft to rotate.
5. The circulating hot air oven for processing rhizoma polygonati yunnanensis and rhizoma bletillae slices according to claim 4, wherein the trough-placing component comprises a clamping frame, a trough and a fastening part;
the clamping frame is of a U-shaped structure, the middle part of the clamping frame is connected with the auxiliary rod shaft, the material placing groove is arranged on the inner side of the clamping frame, and the side wall of the material placing groove is in sliding connection with the support arm of the clamping frame;
the bottom of the material placing groove is hollowed, and a plurality of concave grooves for supporting and placing rhizoma polygonati yunnanensis and rhizoma bletillae slices are distributed on the bottom wall of the material placing groove;
the two fastening parts are symmetrically arranged at the two end parts of the clamping frame respectively.
6. The circulating hot air oven for processing rhizoma polygonati yunnanensis and rhizoma bletillae slices according to claim 5, wherein the width of the material placing groove is smaller than that of the clamping frame;
the fastening part comprises a bump and a stop block;
the lug is arranged at the end part of the clamping frame, a storage groove is formed in the end face of the lug, and the stop block is arranged inside the lug in a sliding mode.
7. The circulating hot air oven for processing rhizoma polygonati yunnanensis and rhizoma bletillae according to claim 1, wherein an upper mounting cover plate is arranged at the top of the outer box body, and an air guiding plate is arranged at the end part of the upper mounting cover plate extending into the communicating cavity;
the induced draft plate is of an inverted V-shaped structure, the induced draft plate is opposite to an air outlet of the exhaust fan, and water-absorbing fillers are filled in the induced draft plate.
8. The circulating hot air oven for processing rhizoma polygonati yunnanensis and rhizoma bletillae according to claim 1, wherein at least two connecting support rods which are rotationally connected with the end face of the outer box body are arranged on the upper side of the door cover part;
a handle is arranged on the lower side of the door cover part;
the position of the end face of the outer box body, which is close to the top, is provided with a magnetic strip, and the door cover part is provided with a magnetic sheet which can generate magnetic attraction with the magnetic strip.
9. The circulating hot air oven for processing rhizoma polygonati and rhizoma bletillae according to claim 8, wherein a display panel is further arranged on the end face of the outer box body, an electric heating sheet is arranged inside the inner drying box, a temperature sensor is arranged on the side of the inner drying box, and the temperature sensor and the electric heating sheet are electrically connected with the display panel.
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| CN202410207103.9A CN117781637B (en) | 2024-02-26 | 2024-02-26 | Circulating hot air oven for processing rhizoma polygonati yunnanensis and rhizoma bletillae slices |
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