CN107120920B - Vacuum low-temperature drying device for traditional Chinese medicine - Google Patents
Vacuum low-temperature drying device for traditional Chinese medicine Download PDFInfo
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- CN107120920B CN107120920B CN201710332736.2A CN201710332736A CN107120920B CN 107120920 B CN107120920 B CN 107120920B CN 201710332736 A CN201710332736 A CN 201710332736A CN 107120920 B CN107120920 B CN 107120920B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
- F26B9/066—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers the products to be dried being disposed on one or more containers, which may have at least partly gas-previous walls, e.g. trays or shelves in a stack
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
- F26B25/006—Separating volatiles, e.g. recovering solvents from dryer exhaust gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
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- Engineering & Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention provides a vacuum low-temperature drying device for traditional Chinese medicines, which comprises: the drying device is a closed box body with a box door at the front side and provides a closed space for drying the traditional Chinese medicinal materials, and a heating pipe is arranged in the drying device; the air outlet pipeline is connected to the closed box body and used for quantitatively extracting the gas medium in the closed box body; the gas inlet pipeline is connected to the sealed box body and quantitatively conveys gas to the sealed box body; the absorption unit is connected to the gas outlet pipeline, absorbs byproducts in the gas medium, and is provided with an absorption medium and an absorption kettle. The invention has the advantages that when the traditional Chinese medicinal materials are dried, the device is in a completely sealed state, the air outlet pipeline is adopted for vacuumizing, the air inlet pipeline is opened after the required vacuum degree is reached, the air inlet pipeline and the air outlet pipeline work simultaneously, a certain vacuum degree in the closed box body is ensured, and the traditional Chinese medicinal materials are convenient to dry at low temperature; the absorption unit in the air outlet pipeline absorbs the mixed gas generated by drying, recovers useful byproducts and can also form byproducts.
Description
Technical Field
The invention relates to the technical field of traditional Chinese medicine production, in particular to a vacuum low-temperature drying device for traditional Chinese medicines.
Background
After the medicinal materials are softened and cut, the water content is extremely high, and the medicinal materials must be dried in time for preventing deterioration and being convenient to store. In recent years, various drying devices are designed and manufactured in production practice all over the country, and the drying capacity and the drying effect are greatly improved.
The traditional drying system mostly adopts a heating method, namely, a drying medium is used for heating the materials and the moisture contained in the materials in a convection heat conversion mode, and the moisture and volatile substances in the materials overflow along with the heating method. Due to the evaporation of water and other substances, water vapor and other gaseous substances are contained in the drying system to form a mixed gas medium, and the part of the gas medium needs to be further processed.
Patent No. 201310589646.3 discloses a traditional Chinese medicine dryer, wherein humidity sensors are installed at the upper and lower ends of the drying box, a dehumidifier is installed at the upper end of the drying box, and a waste gas outlet is provided, wherein the dehumidifier is used for removing moisture generated by baking medicinal materials in the drying box, and the waste gas outlet is provided at one side of the dehumidifier for removing waste gas. The technology has certain defects that waste gas is discharged to the atmosphere without being treated, the environment is damaged, waste heat exists in the waste gas and moisture, the waste gas and the moisture are directly treated, more energy is wasted, partial effective components of the traditional Chinese medicine exist in the waste gas, the waste gas is dissipated in the air, and the air is polluted.
Therefore, the present invention is made in view of the above-mentioned problems of the conventional vacuum low-temperature drying device for traditional Chinese medicine, and the present inventors have made extensive studies and experiments, and have found that the present invention is suitable for various applications.
Disclosure of Invention
Technical problem to be solved
In view of the above technical problems, the present invention provides a vacuum low temperature drying device for traditional Chinese medicine.
(II) technical scheme
The invention relates to a vacuum low-temperature drying device for traditional Chinese medicines, which comprises:
the drying device is a closed box body with a box door at the front side and provides a closed space for drying the traditional Chinese medicinal materials, and a heating pipe is arranged in the drying device;
the air pump is connected to the closed box body and used for pumping the gas medium in the closed box body, and the power of the air pump is more than 3000W;
the air outlet pipeline is connected to the rear part of the air extractor;
the air inlet pipeline is connected to the sealed box body, and the inner diameter of the air inlet pipeline is 0.1mm-0.5 mm;
the absorption unit is connected to the gas outlet pipeline, absorbs a byproduct in the gas medium, and is provided with an absorption medium and an absorption kettle;
a pneumatic transmission control device comprising:
the air pressure sensor is arranged in the vacuum low-temperature drying device;
and the controller is used for controlling the air pump to be switched on and off, and is connected with the air pressure sensor and the air pump through signal transmission lines.
In some embodiments of the present invention, the inside of the enclosure has a drying tray, the drying tray is flatly laid on the bottom surface of the enclosure, and a track perpendicular to the direction of the door is provided between the bottom surface of the enclosure and the enclosure.
In some embodiments of the present invention, the outlet duct intake air amount is the same as the inlet duct intake air amount.
In some embodiments of the invention, the air outlet duct is in communication with an upper space within the enclosure.
In some embodiments of the present invention, the outlet duct has a horizontal section, and the absorption unit is disposed at the horizontal section.
In some embodiments of the present invention, the upper end of the absorption kettle is communicated with the radial lower half part of the horizontal section, an absorption cavity is formed by the absorption kettle and the gas outlet pipeline, the absorption medium is contained in the absorption kettle, and a plurality of absorption layers arranged in parallel in the absorption cavity are also configured, the absorption cavity is divided into a plurality of intervals by the absorption layers, and the lower part of the absorption cavity is soaked in the absorption medium.
In some embodiments of the present invention, the absorption vessel comprises a vessel with an open upper end, and the upper end of the vessel is connected with the horizontal section of the gas outlet pipeline through a connecting flange.
In some embodiments of the present invention, the absorption layer includes a dielectric film and a via hole disposed at the absorption layer, and the via holes on adjacent dielectric layers are staggered.
In some embodiments of the present invention, the communication hole is formed between one side edge of the dielectric film and the inner wall of the horizontal segment of the outlet pipe, and the remaining edge of the dielectric film is connected with the inner wall of the absorption cavity in a sealing manner.
In some embodiments of the present invention, the edge of the dielectric film is connected to the inner wall of the absorption cavity in a sealing manner, and the communication hole is formed in the dielectric film.
(III) advantageous effects
According to the technical scheme, the vacuum low-temperature drying device for the traditional Chinese medicine has at least one of the following beneficial effects:
(1) when the traditional Chinese medicinal materials are dried, the device is in a semi-sealed state, the air outlet pipeline is adopted for vacuumizing, heating and drying are started after the required vacuum degree is reached, and water is boiled into water vapor at low temperature under low pressure and is sucked away by the air pump along with the air entering from the air inlet pipeline. The air inlet pipeline and the air outlet pipeline work simultaneously, so that a certain vacuum degree in the closed box body is ensured, the medicinal materials are not damaged in a complete vacuum manner, and the traditional Chinese medicinal materials are conveniently dried at a low temperature; the absorption unit in the air outlet pipeline absorbs the mixed gas generated by drying, recovers useful byproducts and can also form byproducts;
(2) considering that large batches of traditional Chinese medicinal materials are generally dried and the traditional Chinese medicinal materials are inconvenient to take and place, the drying tray with the guide rail is adopted, the drying tray can slide to the outside of the closed box body from the guide rail to carry out charging, and the drying tray is pushed into the closed box body to carry out drying after the charging is finished, so that the drying tray is more convenient;
(3) because the air volumes of the air inlet pipeline and the air outlet pipeline are the same, the vacuum degree in the sealed box body can be ensured to be basically unchanged;
(4) the heated gas medium in the closed box body generally fills the upper part of the closed box body, and one end of the gas outlet pipeline is communicated with the upper part to guide the gas medium into the gas outlet pipeline;
(5) the absorption unit can be used for pertinently absorbing a part of the gas medium, playing the roles of purifying the gas medium and absorbing useful byproducts, the absorption layer can absorb useful substances in the gas medium, and the absorption medium below can also be absorbed, so that relatively complete absorption is realized;
(6) the absorption kettle is connected with the horizontal section of the gas outlet pipeline through a flange, and can be disassembled to replace an absorption layer and an absorption medium in the absorption kettle;
(7) the absorption layer is provided with the connecting through holes which are arranged in a staggered manner, so that the gas circulation and the effective absorption are ensured;
(8) the connecting through hole is formed on the dielectric film, so that the installation is simple; the connecting through holes are formed between the medium film and the absorption cavity, the distance between every two adjacent connecting through holes can be large, the contact time of the medium film and the gas medium is prolonged, and sufficient absorption is facilitated.
Drawings
Fig. 1 is a schematic diagram of a first embodiment of the present invention.
Fig. 2 is a schematic view of a drying apparatus according to a first embodiment of the present invention.
Fig. 3 is a schematic view of an absorption unit according to a first embodiment of the present invention.
Fig. 4 is a sectional view of an absorption unit according to a first embodiment of the present invention.
Fig. 5 is a sectional view of an absorption unit according to a second embodiment of the present invention.
[ description of main part symbols of the invention ]
10. Sealing the box body; 11. A drying tray; 111. A sliding boss;
112. a sliding groove; 12. A box door; 20. An air outlet pipe;
21. an air extractor; 22. A horizontal segment; 30. An absorption unit;
31. an absorption kettle; 32. An absorption medium; 33. A dielectric film;
34. a connecting hole; 35. A connecting flange; 40. An air inlet.
Detailed Description
The invention provides a vacuum low-temperature drying device for traditional Chinese medicines. When chinese-medicinal material is dried, the device is in certain vacuum environment, and inlet duct and outlet duct work simultaneously, only need low temperature can dry, has the absorption unit in the outlet duct, absorbs the produced mist of stoving, retrieves useful material, can form the by-product.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
First embodiment
In one exemplary embodiment of the present invention, a vacuum low-temperature drying apparatus for Chinese medicine is provided. Fig. 1 is a schematic structural view of a vacuum low-temperature drying device for traditional Chinese medicines in the embodiment of the invention. As shown in fig. 1, the present invention includes: drying device, outlet duct 20, inlet duct 40, absorption unit and atmospheric pressure pass controlling means.
The following describes each component of the vacuum low-temperature drying apparatus for traditional Chinese medicine in this embodiment in detail.
A drying device, as shown in fig. 2, which is a closed box 10 with a door 12, providing a closed space for drying traditional Chinese medicines, and having a heating pipe inside, wherein a drying tray 11 is arranged inside the closed box 10, the drying tray 11 is flatly laid on the bottom surface of the closed box 10, and a track perpendicular to the direction of the door 12 is arranged between the bottom surface of the closed box 10 and the closed box 10, specifically, the track is composed of a sliding convex body 111 on the bottom surface of the drying tray 11 and a sliding groove 112 on the bottom surface of the inner side of the closed box 12, and as the general amount of the traditional Chinese medicines to be dried in industry is large, the traditional Chinese medicines are manually placed inside the closed box 10, and need to enter and exit the closed box 10, so as to pollute the environment inside the box, and the traditional Chinese; the drying tray 11 can slide along the rail, slide out of the box body, perform charging operation, slide into the box body after being filled with traditional Chinese medicinal materials, dry without going deep into the box body for charging, and has low cost and convenient operation;
the air pump 21 is connected to the closed box body and used for pumping the gas medium in the closed box body, and the power of the air pump 21 is more than 3000W; the air outlet pipeline 20 is connected behind the air pump 21;
an air outlet pipeline 20 for discharging the gas medium generated by drying the Chinese medicinal materials; because at the in-process that chinese-medicinal material was dried, the gas mixture that original air and chinese-medicinal material volatilize in the box produced, after being heated, this mixed gas medium is full of the upper portion of box, and air pump 21 installs in the airtight box top, and upper portion space UNICOM in 20 one end of the pipeline of giving vent to anger promptly and the airtight box 10 is convenient for derive the gas in the airtight box 10, and cooperation air pump 21 forms the inside vacuum of airtight box, is favorable to the low temperature of chinese-medicinal material to be dried.
The air inlet pipeline 40 is connected to the sealed box body 10, and the inner diameter of the air inlet pipeline is 0.1mm-0.5 mm; the gas is quantitatively delivered to the sealed box body 10 and is matched with the gas outlet pipeline 20 for use, so that the vacuum degree in the sealed box body 10 is ensured to be unchanged.
The air flow passing through the air outlet pipeline 20 and the air inlet pipeline 40 is the same, so that the vacuum degree in the sealed box body 10 is always basically consistent, low-temperature drying is facilitated, and energy is saved.
An absorption unit 30, as shown in fig. 3, connected to the gas outlet pipe 20, for absorbing a byproduct in the gas medium, and provided with an absorption medium 32 and an absorption kettle 31; the outlet duct 20 has a horizontal section 22, and the absorption unit 3 is disposed at the horizontal section 22.
The upper end of the absorption kettle 31 is communicated with the radial lower half part of the horizontal section 22 to form an absorption cavity with the gas outlet pipeline 20, the absorption kettle comprises a container with an open upper end, and the upper end of the container is connected with the horizontal section of the gas outlet pipeline 20 through a connecting flange 35.
The absorption medium 32 is placed in the absorption kettle 31, and is further provided with a plurality of absorption layers arranged in parallel in the absorption cavity, as shown in fig. 4, the absorption cavity is divided into a plurality of intervals by the absorption layers, the lower part of the absorption layer is soaked in the absorption medium 32, and the absorption medium 32 can climb onto the absorption layers; the gas medium in the gas outlet pipe 20 flows from one end of the gas outlet pipe 20 to the other end, and passes through the absorption unit 30 in the process, the plane of the absorption layer 33 in the absorption unit 3 is crossed with the axis of the horizontal section 22 of the gas outlet pipe, the absorption layer is composed of a medium film 33 and a communicating hole 34 which are arranged at the position of the absorption layer, the absorption medium 32 climbs along the medium film 33, the communicating holes 34 on the adjacent medium films 33 are arranged in a staggered mode, the communicating hole 34 is positioned in an absorption cavity except the absorption medium 32, one part of the gas medium penetrates from one side to the other side of the medium film 33, the by-products in the gas medium are absorbed by the medium film 33, the other part of the gas medium passes through the communicating hole 34, and due to the multiple layers of the medium films 33, the part of the gas medium meets the next medium film 33 and absorbs the by-products in the next layer, and the few unabsorbed by, after this, the by-products in the gaseous medium are substantially completely absorbed. The connecting through holes 34 are formed between one side edge of the medium film 33 and the inner wall of the horizontal section 22 of the air outlet pipeline, the rest edges of the medium film 33 are hermetically connected with the inner wall of the absorption cavity, the flow speed of the gas medium passing through the connecting through holes 34 is high, excessive stagnation of the gas flow in the absorption unit is avoided, the staggered connecting through holes 34 can prolong the contact time of the gas medium and the medium film 33, byproducts in the gas medium are fully absorbed, and the connecting through holes 34 arranged at the edges of the medium film 33 can enable the adjacent connecting through holes 34 to be farthest, prolong the flow time of the gas flow and be beneficial to fully absorbing the byproducts.
Second embodiment
On the basis of the first embodiment, as shown in fig. 5, the edge of the dielectric film 33 is connected with the inner wall of the absorption cavity in a sealing manner, and the communication hole 34 is formed on the dielectric film 33. The through holes 34 are integrally formed at the edge of the dielectric film 33, the through holes 34 are formed in the dielectric film 33, and the positions of the through holes 34 do not need to be reserved when the dielectric film 33 is installed.
Up to this point, the present embodiment has been described in detail with reference to the accompanying drawings. From the above description, those skilled in the art should clearly recognize the present invention.
It is to be noted that, in the attached drawings or in the description, the implementation modes not shown or described are all the modes known by the ordinary skilled person in the field of technology, and are not described in detail. Furthermore, the above definitions of the various elements and methods are not limited to the specific structures, shapes, or configurations shown in the examples.
It is also noted that the illustrations herein may provide examples of parameters that include particular values, but that these parameters need not be exactly equal to the corresponding values, but may be approximated to the corresponding values within acceptable error tolerances or design constraints. Directional phrases used in the embodiments, such as "upper", "lower", "front", "rear", "left", "right", etc., refer only to the direction of the attached drawings and are not intended to limit the scope of the present invention. In addition, unless steps are specifically described or must occur in sequence, the order of the steps is not limited to that listed above and may be changed or rearranged as desired by the desired design. The embodiments described above may be mixed and matched with each other or with other embodiments based on design and reliability considerations, i.e., technical features in different embodiments may be freely combined to form further embodiments.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. Traditional chinese medicine vacuum low temperature drying device, its characterized in that includes:
the drying device is a closed box body with a box door at the front side and provides a closed space for drying the traditional Chinese medicinal materials, and a heating pipe is arranged in the drying device;
the air pump is connected to the closed box body and used for pumping the gas medium in the closed box body, and the power of the air pump is more than 3000W;
the air outlet pipeline is connected to the rear part of the air extractor;
the air inlet pipeline is connected to the sealed box body, and the inner diameter of the air inlet pipeline is 0.1mm-0.5 mm;
the absorption unit is connected to the gas outlet pipeline, absorbs a byproduct in the gas medium, and is provided with an absorption medium and an absorption kettle; the absorption medium is contained in the absorption kettle and is also provided with a plurality of absorption layers which are arranged in parallel in the absorption cavity;
the absorption layer comprises a medium film and connecting through holes which are configured at the position of the absorption layer, and the connecting through holes on the adjacent medium layers are arranged in a staggered manner;
a pneumatic transmission control device comprising:
the air pressure sensor is arranged in the vacuum low-temperature drying device;
the controller is used for controlling the switch of the air pump and is connected with the air pressure sensor and the air pump through a signal transmission line;
the air outlet pipeline is provided with a horizontal section, and the absorption unit is arranged on the horizontal section;
the absorption kettle upper end and the radial latter half UNICOM of this horizontal segment, form an absorption cavity with this department's pipeline of giving vent to anger, the absorption medium holds in the absorption kettle, still disposes a plurality of parallel arrangement's in the absorption cavity absorption layer, the absorption layer is separated into a plurality of intervals with the absorption cavity, and its lower part soaks in the absorption medium.
2. The vacuum low-temperature drying device for traditional Chinese medicines according to claim 1, wherein the airtight box is internally provided with a drying tray, the drying tray is flatly laid on the bottom surface of the airtight box, and a track perpendicular to the direction of the box door is arranged between the bottom surface of the drying tray and the airtight box.
3. The vacuum low-temperature drying device for traditional Chinese medicines according to claim 1, wherein the air intake amount of the air outlet pipeline is the same as the air intake amount of the air inlet pipeline.
4. The vacuum low-temperature drying device for traditional Chinese medicines according to claim 1, wherein the air outlet pipeline is communicated with the upper space in the closed box body.
5. The vacuum low-temperature drying device for traditional Chinese medicines according to claim 1, wherein the absorption kettle comprises a container with an open upper end, and the upper end of the container is connected with the horizontal section of the air outlet pipeline through a connecting flange.
6. The vacuum low-temperature drying device for traditional Chinese medicines according to claim 1, wherein the through-hole is formed between one side edge of the medium film and the inner wall of the horizontal section of the air outlet pipeline, and the rest edge of the medium film is hermetically connected with the inner wall of the absorption cavity.
7. The vacuum low-temperature drying device for traditional Chinese medicines according to claim 1, wherein the edge of the medium film is hermetically connected with the inner wall of the absorption cavity, and the through hole is formed on the medium film.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710332736.2A CN107120920B (en) | 2017-05-11 | 2017-05-11 | Vacuum low-temperature drying device for traditional Chinese medicine |
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| CN201710332736.2A CN107120920B (en) | 2017-05-11 | 2017-05-11 | Vacuum low-temperature drying device for traditional Chinese medicine |
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| CN107120920A CN107120920A (en) | 2017-09-01 |
| CN107120920B true CN107120920B (en) | 2020-11-13 |
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| CN107816850A (en) * | 2017-11-28 | 2018-03-20 | 钦州学院 | A kind of new-type air dry oven case chamber |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19735204A1 (en) * | 1997-08-14 | 1999-02-18 | Silvia Dipl Ing Fath | Process and assembly to dry organic kitchen wastes using electro- magnetic field |
| CN201413007Y (en) * | 2009-06-05 | 2010-02-24 | 李增梅 | Automatic pressure-controlling drying cabinet |
| CN201885524U (en) * | 2010-09-03 | 2011-06-29 | 昆山康和电子科技有限公司 | Vacuum drying device |
| CN202204253U (en) * | 2011-08-29 | 2012-04-25 | 成都老肯科技股份有限公司 | Low-temperature dry cabinet |
| CN202393179U (en) * | 2011-12-19 | 2012-08-22 | 甘国仁 | Lead battery pole-piece vacuum drying unit |
-
2017
- 2017-05-11 CN CN201710332736.2A patent/CN107120920B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19735204A1 (en) * | 1997-08-14 | 1999-02-18 | Silvia Dipl Ing Fath | Process and assembly to dry organic kitchen wastes using electro- magnetic field |
| CN201413007Y (en) * | 2009-06-05 | 2010-02-24 | 李增梅 | Automatic pressure-controlling drying cabinet |
| CN201885524U (en) * | 2010-09-03 | 2011-06-29 | 昆山康和电子科技有限公司 | Vacuum drying device |
| CN202204253U (en) * | 2011-08-29 | 2012-04-25 | 成都老肯科技股份有限公司 | Low-temperature dry cabinet |
| CN202393179U (en) * | 2011-12-19 | 2012-08-22 | 甘国仁 | Lead battery pole-piece vacuum drying unit |
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Denomination of invention: Traditional Chinese Medicine Vacuum Low Temperature Drying Device Effective date of registration: 20220905 Granted publication date: 20201113 Pledgee: Jiangsu Zhengfu Chinese Herbal Medicine Co.,Ltd. Pledgor: NANTONG YUFUYUAN PHARMACEUTICAL Co.,Ltd. Registration number: Y2022320000513 |
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