CN112403004B - Anti-caking traditional Chinese medicine extract spray dryer - Google Patents
Anti-caking traditional Chinese medicine extract spray dryer Download PDFInfo
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- CN112403004B CN112403004B CN202011107856.0A CN202011107856A CN112403004B CN 112403004 B CN112403004 B CN 112403004B CN 202011107856 A CN202011107856 A CN 202011107856A CN 112403004 B CN112403004 B CN 112403004B
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- drying
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- caking
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- chinese medicine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J3/00—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
- B01D1/18—Evaporating by spraying to obtain dry solids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J2200/00—General characteristics or adaptations
- A61J2200/40—Heating or cooling means; Combinations thereof
- A61J2200/42—Heating means
Abstract
The invention discloses an anti-caking traditional Chinese medicine extract spray dryer, wherein a drying cylinder is divided into a breathing cavity positioned above a partition plate and a drying cavity positioned below the partition plate by the partition plate, a plurality of air ports for communicating the breathing cavity with the drying cavity are arranged on the partition plate, the plurality of air ports are distributed along the side wall of the drying cavity, a movably-installed filter plate is arranged at each air port, and the filter plate is opened along with the air inlet of an air blowing port and is closed along with the air outlet of an air outlet. Through the anti-caking traditional Chinese medicine extract spray dryer of above-mentioned optimal design, through set up the breathing chamber in the drying cylinder, exhale and breathe in and drive the filter plate switch to the drying chamber in through the gas port, exhale when atomizer jets air and keep apart atomizing material and section of thick bamboo wall, when atomizer stops, breathe in through the gas pocket once more, take away the aqueous vapor of separation, reduce the humidity in the drying cylinder to avoid the powder after the drying to take place the moisture absorption caking of cooling with section of thick bamboo wall contact.
Description
Technical Field
The invention relates to the technical field of anti-caking traditional Chinese medicine extract spray dryers, in particular to an anti-caking traditional Chinese medicine extract spray dryer.
Background
In the preparation process of the Chinese patent medicine, the effective components in the Chinese medicinal materials need to be extracted. Firstly, Chinese medicinal materials are decocted into decoction, then the decoction is subjected to multi-stage treatment to form viscous serous fluid flow, and then serous fluid materials are dried to form granules. To achieve rapid and complete drying of the particles, the viscous slurry is typically atomized and then brought into intimate contact with hot air to complete flash drying.
At present, the existing traditional Chinese medicine spray drying device is an application of centrifugal spray drying technology in drying specific materials, and is a drying device which atomizes viscous liquid materials by utilizing a high-speed centrifugal atomizer, then fully contacts with hot air to complete instant drying and form powdery or small granular finished products, and is mainly used for solving the spray drying of traditional Chinese medicine extractum, plant extract or materials with similar characteristics. However, when the drying device works, the atomized materials are fully contacted with hot air in the high-temperature drying cavity, and secondary moisture absorption and condensation of powder are easily caused by temperature reduction in the falling process of the dried particles along the cavity wall, so that incomplete drying is caused.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides an anti-caking traditional Chinese medicine extract spray dryer.
The invention provides an anti-caking traditional Chinese medicine extract spray dryer, which comprises: the device comprises a drying cylinder, an atomizing spray head, a feeding pipe and an air inlet cylinder;
the drying device comprises a drying cylinder, a drying cylinder and a fan, wherein a horizontally arranged partition plate is arranged in the drying cylinder, the drying cylinder is divided into a breathing cavity above the partition plate and a drying cavity below the partition plate by the partition plate, a blast port is arranged at the top of the breathing cavity, an exhaust port is arranged on the side wall of the breathing cavity, an air inlet cylinder is vertically arranged above the drying cylinder, the lower end of the air inlet cylinder is communicated with the breathing cavity through the blast port, a discharge port is arranged at the bottom of the drying cavity, a plurality of air ports communicated with the breathing cavity and the drying cavity are arranged on the partition plate, the plurality of air ports are distributed along the side wall of the drying cavity, a movably-mounted filter plate is arranged at each air port, and the filter plate is opened along with the air inlet of the blast port and closed along with the air outlet of the exhaust port;
the baffle middle part is equipped with the installing opening, and atomizer is located in the drying chamber be used for to the drying chamber sprays the atomized medicament, and the inlet pipe is vertical to be run through installing opening, inlet pipe upper end pass an air inlet section of thick bamboo and lower extreme and atomizer intercommunication.
Preferably, one end of the filter plate is provided with a rotating shaft which is horizontally arranged and is rotatably connected with the partition plate through the rotating shaft, the top of the filter plate is provided with an elastic resetting piece, and one end, far away from the filter plate, of the elastic resetting piece is connected with the drying cylinder.
Preferably, the rotating shaft is positioned at one end of the filter plate, which is far away from the inner wall of the drying cylinder, and the filter plate is obliquely arranged and the height of the filter plate is gradually reduced towards the direction close to the inner wall of the drying cylinder.
Preferably, a plurality of filter plates are distributed circumferentially around the atomizer head.
Preferably, the feeding pipe and the air inlet drum are coaxially arranged, and an air inlet channel is formed between the feeding pipe and the air inlet drum.
Preferably, still include high temperature air feed mechanism, high temperature air feed mechanism and air inlet section of thick bamboo upper end intercommunication.
Preferably, the drying cavity comprises a drying chamber located above and a blanking chamber located below, the inner diameter of the blanking chamber is gradually reduced from top to bottom, and the discharge hole is located at the lowest point of the blanking chamber.
Preferably, the device also comprises a storage bin and a negative pressure fan;
the feed bin is located the drying cylinder below, and the feed bin top is equipped with powder import and induced air mouth, the powder import with the drying cylinder the discharge gate passes through the pipeline intercommunication, and negative-pressure air fan passes through induced air mouth forms the negative pressure in the feed bin.
Preferably, a filter element is arranged at the air inducing opening.
According to the anti-caking traditional Chinese medicine extract spray dryer provided by the invention, a drying cylinder is divided into a breathing cavity above a partition plate and a drying cavity below the partition plate by the partition plate, a plurality of air ports which are communicated with the breathing cavity and the drying cavity are arranged on the partition plate, the air ports are distributed along the side wall of the drying cavity, a movably-installed filter plate is arranged at each air port, and the filter plate is opened along with the air inlet of the air blowing port and is closed along with the air outlet of the air outlet. Through the anti-caking traditional Chinese medicine extract spray dryer of above-mentioned optimal design, through set up the breathing chamber in the drying cylinder, exhale and breathe in and drive the filter plate switch to the drying chamber in through the gas port, exhale when atomizer jets air and keep apart atomizing material and section of thick bamboo wall, when atomizer stops, breathe in through the gas pocket once more, take away the aqueous vapor of separation, reduce the humidity in the drying cylinder to avoid the powder after the drying to take place the moisture absorption caking of cooling with section of thick bamboo wall contact.
Drawings
Fig. 1 is a schematic structural diagram of an anti-caking traditional Chinese medicine extract spray dryer provided by the invention.
Fig. 2 is a schematic structural diagram of a drying cylinder of the anti-caking traditional Chinese medicine extract spray dryer provided by the invention.
Fig. 3 is a schematic distribution diagram of filter plates of an anti-caking traditional Chinese medicine extract spray dryer provided by the invention.
Fig. 4 is a schematic structural diagram of a storage bin of the anti-caking traditional Chinese medicine extract spray dryer provided by the invention.
Detailed Description
As shown in fig. 1 to 4, fig. 1 is a schematic structural diagram of an anti-caking traditional Chinese medicine extract spray dryer provided by the present invention, fig. 2 is a schematic structural diagram of a drying cylinder of an anti-caking traditional Chinese medicine extract spray dryer provided by the present invention, fig. 3 is a schematic distribution diagram of a filter plate of an anti-caking traditional Chinese medicine extract spray dryer provided by the present invention, and fig. 4 is a schematic structural diagram of a storage bin of an anti-caking traditional Chinese medicine extract spray dryer provided by the present invention.
Referring to fig. 1 and 2, the invention provides an anti-caking traditional Chinese medicine extract spray dryer, which comprises: the device comprises a drying cylinder 1, an atomizing spray head 2, a feeding pipe 3 and an air inlet cylinder 4;
the drying cylinder 1 is internally provided with a horizontally arranged partition plate 5, the partition plate 5 divides the drying cylinder 1 into a breathing cavity above the partition plate 5 and a drying cavity below the partition plate 5, the top of the breathing cavity is provided with a blast port, the side wall of the breathing cavity is provided with an exhaust port, an air inlet cylinder 4 is vertically arranged above the drying cylinder 1, the lower end of the air inlet cylinder is communicated with the breathing cavity through the blast port, the bottom of the drying cavity is provided with a discharge port, the partition plate 5 is provided with a plurality of air ports for communicating the breathing cavity and the drying cavity, the air ports are distributed along the side wall of the drying cavity, each air port is provided with a movably-mounted filter plate 6, and the filter plate 6 is opened along with the air inlet of the blast port and closed along with the air outlet of the exhaust port;
5 middle parts of baffle are equipped with the installing opening, and atomizer 2 is located the drying chamber in be used for to the drying chamber sprays the atomized medicament, and 3 vertical penetrations of inlet pipe the installing opening, 3 upper ends of inlet pipe pass air inlet section of thick bamboo 4 and lower extreme and atomizer 2 intercommunication.
In the specific working process of the anti-caking traditional Chinese medicine extract spray dryer of the embodiment, firstly, the slurry is supplied to the atomizer through the inlet pipe, the slurry is sprayed into the drying cavity after being atomized by the atomizer, the slurry exchanges heat with hot air in the drying cavity to realize rapid drying, meanwhile, the isolating gas is blown into the breathing cavity through the air inlet cylinder, the filter plate is opened under the action of the isolating gas, the isolating gas enters the drying cavity through the air port, a gas interval distributed along the annular shape of the wall of the drying cavity is formed in the drying cavity, the dried solid powder is isolated from the wall of the drying cavity, the powder is prevented from being attached to the wall of the drying cavity in the falling process, the atomizer stops spraying after drying, the air inlet cylinder stops air inlet and sucks air into the breathing cavity through the air outlet, negative pressure is generated in the breathing cavity, the filter plate is closed, moisture separated in the drying cavity is discharged from the breathing cavity after being filtered by the filter plate, and the humidity in the drying cavity is reduced, the dried powder is prevented from being discharged along with moisture.
In this embodiment, the anti-caking traditional chinese medicine extract spray dryer that provides, the baffle is separated the drying cylinder for the breathing chamber that is located the baffle top and the drying chamber that is located the baffle below, is equipped with the intercommunication on the baffle the breathing chamber with a plurality of gas ports of drying chamber, a plurality of gas ports are followed drying chamber lateral wall distributes, and every gas port department is equipped with movably installed filter plate, and the filter plate is followed the tuyere air inlet is opened and is followed the gas vent air-out is closed. Through the anti-caking traditional Chinese medicine extract spray dryer of above-mentioned optimal design, through set up the breathing chamber in the drying cylinder, exhale and breathe in and drive the filter plate switch to the drying chamber in through the gas port, exhale when atomizer jets air and keep apart atomizing material and section of thick bamboo wall, when atomizer stops, breathe in through the gas pocket once more, take away the aqueous vapor of separation, reduce the humidity in the drying cylinder to avoid the powder after the drying to take place the moisture absorption caking of cooling with section of thick bamboo wall contact.
In the specific installation mode of the filter plate, in an embodiment, one end of the filter plate 6 is provided with a rotating shaft 61 which is horizontally arranged and is rotatably connected with the partition plate 5 through the rotating shaft 61, the top of the filter plate 6 is provided with an elastic resetting piece 62, and one end of the elastic resetting piece 62, which is far away from the filter plate 6, is connected with the drying cylinder 1; when the respirator is used for breathing, the filter plate rotates downwards to be opened under the action of the blast air, and when the respirator is used for breathing, the filter plate is reset and closed under the action of the elastic reset piece.
In a further specific embodiment, the rotating shaft 61 is located at one end of the filter plate 6 far away from the inner wall of the drying cylinder 1, and the filter plate 6 is obliquely arranged and the height of the filter plate 6 gradually decreases towards the direction close to the inner wall of the drying cylinder 1; when the filter plate is used for exhaling, the filter plate is obliquely opened towards the cylinder wall, and the function of guiding the exhaled air is achieved, so that the gas entering the drying cavity flows towards the cylinder wall along the filter plate, and the direct isolation effect of the cylinder wall and powder is improved.
Referring to fig. 3, in a specific arrangement of filter plates, a plurality of filter plates 6 are distributed circumferentially around the atomizer head 2.
In other specific embodiments, the air conditioner further comprises a high-temperature air supply mechanism 7, wherein the high-temperature air supply mechanism 7 is communicated with the upper end of the air inlet cylinder 4; high-temperature gas is blown into the blast hole when the atomization spraying is carried out, so that the drying of the powder is accelerated, and the temperature in the drying cavity is ensured.
In a further specific embodiment, the feeding pipe 3 and the air inlet cylinder 4 are coaxially arranged, an air inlet channel is formed between the feeding pipe and the air inlet cylinder, and when the atomizing nozzle sprays and atomizes, the high-temperature air supply mechanism supplies hot air to the air inlet cylinder to heat materials in the feeding pipe, so that the atomizing and drying effects are improved.
In a specific design mode of the drying cavity, the drying cavity comprises a drying chamber located above and a blanking chamber located below, the inner diameter of the blanking chamber is gradually reduced from top to bottom, and the discharge hole is located at the lowest point of the blanking chamber.
Referring to fig. 4, in order to ensure that the dried powder absorbs water for the second time, in other specific embodiments, the embodiment further includes a storage bin 8 and a negative pressure fan 9;
the feed bin 8 is located the drying cylinder 1 below, and 8 tops of feed bin are equipped with powder import and induced air port, the powder import with the drying cylinder 1 the discharge gate passes through the pipeline intercommunication, and negative-pressure air fan 9 passes through the induced air port forms the negative pressure in feed bin 8.
In order to prevent powder from entering the negative pressure fan during working and influence the service life of the fan, a filter element is arranged at the air inducing port.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. An anti-caking traditional Chinese medicine extract spray dryer is characterized by comprising: the device comprises a drying cylinder (1), an atomizing spray head (2), a feeding pipe (3) and an air inlet cylinder (4);
the drying device is characterized in that a horizontally arranged partition plate (5) is arranged in the drying cylinder (1), the partition plate (5) divides the drying cylinder (1) into a breathing cavity above the partition plate (5) and a drying cavity below the partition plate (5), a blast port is arranged at the top of the breathing cavity, an exhaust port is arranged on the side wall of the breathing cavity, an air inlet cylinder (4) is vertically arranged above the drying cylinder (1), the lower end of the air inlet cylinder is communicated with the breathing cavity through the blast port, a discharge port is arranged at the bottom of the drying cavity, a plurality of air ports communicated with the breathing cavity and the drying cavity are arranged on the partition plate (5), the plurality of air ports are distributed along the side wall of the drying cavity, a movably-mounted filter plate (6) is arranged at each air port, and the filter plate (6) is opened along with the air inlet of the blast port and closed along with the air outlet and exhaust port;
the middle part of the partition plate (5) is provided with an installation opening, the atomizing spray head (2) is positioned in the drying cavity and is used for spraying atomized medicament into the drying cavity, the inlet pipe (3) vertically penetrates through the installation opening, the upper end of the inlet pipe (3) penetrates through the air inlet barrel (4) and the lower end of the inlet pipe is communicated with the atomizing spray head (2);
one end of the filter plate (6) is provided with a rotating shaft (61) which is horizontally arranged and is rotatably connected with the partition plate (5) through the rotating shaft (61), the top of the filter plate (6) is provided with an elastic resetting piece (62), and one end, far away from the filter plate (6), of the elastic resetting piece (62) is connected with the drying cylinder (1);
the rotating shaft (61) is positioned at one end, far away from the inner wall of the drying cylinder (1), of the filter plate (6), the filter plate (6) is obliquely arranged, and the height of the filter plate is gradually reduced towards the direction close to the inner wall of the drying cylinder (1).
2. The anti-caking traditional Chinese medicine extract spray dryer according to claim 1, wherein a plurality of filter plates (6) are circumferentially distributed around the atomizer (2).
3. The anti-caking traditional Chinese medicine extract spray dryer according to claim 1, further comprising a high-temperature air supply mechanism (7), wherein the high-temperature air supply mechanism (7) is communicated with the upper end of the air inlet cylinder (4).
4. The anti-caking traditional Chinese medicine extract spray dryer according to claim 1 or 3, wherein the feed pipe (3) and the air inlet cylinder (4) are coaxially arranged, and an air inlet channel is formed between the feed pipe and the air inlet cylinder.
5. The anti-caking traditional Chinese medicine extract spray dryer as claimed in claim 1, wherein the drying cavity comprises a drying chamber located above and a blanking chamber located below, the inner diameter of the blanking chamber is gradually reduced from top to bottom, and the discharge hole is located at the lowest point of the blanking chamber.
6. The anti-caking traditional Chinese medicine extract spray dryer according to claim 1, further comprising a storage bin (8) and a negative pressure fan (9);
feed bin (8) are located drying tube (1) below, and feed bin (8) top is equipped with powder import and induced air mouth, powder import and drying tube (1) the discharge gate passes through the pipeline intercommunication, and negative-pressure air fan (9) pass through induced air mouth forms the negative pressure in feed bin (8).
7. The anti-caking traditional Chinese medicine extract spray dryer as claimed in claim 6, wherein a filter element is arranged at the air inducing port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011107856.0A CN112403004B (en) | 2020-10-16 | 2020-10-16 | Anti-caking traditional Chinese medicine extract spray dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011107856.0A CN112403004B (en) | 2020-10-16 | 2020-10-16 | Anti-caking traditional Chinese medicine extract spray dryer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112403004A CN112403004A (en) | 2021-02-26 |
| CN112403004B true CN112403004B (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202011107856.0A Active CN112403004B (en) | 2020-10-16 | 2020-10-16 | Anti-caking traditional Chinese medicine extract spray dryer |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB438249A (en) * | 1935-04-08 | 1935-11-13 | Rubber Latex Poeder Cie N V | Apparatus for converting milky liquids, latices, solutions, dispersions and emulsions into a finely divided solid condition by centrifugal spraying and drying |
| US4702799A (en) * | 1985-09-03 | 1987-10-27 | Nestec S.A. | Dryer and drying method |
| CN100523685C (en) * | 2006-11-06 | 2009-08-05 | 谢洪清 | Seasoner sponging drying machine group |
| CN208081877U (en) * | 2018-03-14 | 2018-11-13 | 德兴市浩晟实业有限公司 | The high fever acting type spray dryer of naphthalene water reducer or its homology dispersant |
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2020
- 2020-10-16 CN CN202011107856.0A patent/CN112403004B/en active Active
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| CN112403004A (en) | 2021-02-26 |
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Address after: 236600 West District of Chengguan Town Industrial Park, Taihe County, Fuyang City, Anhui Province Applicant after: Anhui Jiuxin Pharmaceutical Co.,Ltd. Address before: 236600 West District of Chengguan Town Industrial Park, Taihe County, Fuyang City, Anhui Province Applicant before: Anhui Sanjiu Pharmaceutical Co.,Ltd. |
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