Special spray dryer for traditional Chinese medicine extract

Abstract

The utility model belongs to the technical field of traditional Chinese medicine extract drying, and particularly relates to a special spray dryer for traditional Chinese medicine extract, which comprises a dryer body, a drying cavity mounted at the front end of the dryer body, a control panel arranged on one side of the dryer body, a limit plate connected to the top of the inner wall of the drying cavity, and a gas ring top vertical rod connected to the side wall of the limit plate through bolts. The bottom of the air ring is provided with a threaded pipe, the inner wall of the threaded pipe is in threaded connection with a nozzle, the top of the air ring is in threaded connection with a connecting pipe, the connecting pipe penetrates through the intersection of the neck of the drying cavity and is sleeved with a sealing ring, the other end of the connecting pipe is in threaded connection with an air compressor through a flange, and the bottom of the air compressor is connected to the top of the dryer body. Air is supplied to the connected connecting pipe through the air compressor installed on the top of the drying machine body, so that the inner wall of the drying cavity is cleaned through the nozzles installed on the air rings, and the traditional Chinese medicine extract is prevented from adhering to the wall.

Description

Technical Field

[0001] The utility model belongs to the technical field of drying traditional Chinese medicine extracts, and particularly relates to a special spray dryer for traditional Chinese medicine extracts. Background Art

[0002] Traditional Chinese medicine extracts fall under the category of traditional Chinese medicine. Drying them is one of the steps involved in their production. Currently, spray dryers are used for drying these extracts. These are continuous, atmospheric-pressure dryers used to dry heat-sensitive liquids, suspensions, and viscous liquids, such as milk, eggs, tannins, and pharmaceuticals. Pretreated slurry is precisely filtered and pumped into a high-speed centrifugal atomizer, where it is sprayed into fine droplets. These droplets, along with hot air, enter a drying chamber for drying. The hot air comes into close contact with the droplets, rapidly evaporating the water and drying them to form granular solids. However, this device also suffers from the following drawbacks: When used, certain high-concentration, high-viscosity traditional Chinese medicine extracts are prone to sticking to the wall during drying, and the dried product is susceptible to moisture absorption, which can affect the drying effect and product quality. Utility Model Content

[0003] The purpose of the utility model is to provide a special spray dryer for Chinese herbal medicine extracts, aiming to solve the problem in the prior art that when the above-mentioned equipment is used, some high-concentration, high-viscosity Chinese herbal medicine extracts are prone to sticking to the wall during the drying process and the dried products are prone to moisture absorption, thereby affecting the drying effect and product quality.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a special spray dryer for Chinese medicine extract, comprising: a dryer body, a drying chamber installed at the front end of the dryer body, a control panel provided on one side of the dryer body, the top of the inner wall of the drying chamber connected to a limit plate, the side wall of the limit plate is connected to the vertical rod at the top of the air ring by bolts, a threaded tube is provided at the bottom of the air ring, the inner wall of the threaded tube is threadedly connected to the nozzle, the top of the air ring is threadedly connected to a connecting pipe, the connecting pipe passes through the intersection of the neck of the drying chamber and is sleeved with a sealing ring, the other end of the connecting pipe is threadedly connected to the air compressor by a flange, and the bottom of the air compressor is connected to the top of the dryer body.

[0005] In order to utilize the threaded tube to fix the connection between the nozzle and the air ring, as a preferred embodiment of the utility model of a special spray dryer for Chinese medicine extract, eight threaded tubes are distributed in a ring at the bottom of the air ring, and the air ring, threaded tubes and nozzle form a threaded connection structure, and the air ring is an elastic integrated structure.

[0006] In order to make the nozzle spray toward the inner wall of the drying chamber, as a preferred embodiment of the spray dryer for Chinese herbal extract of the present invention, the air outlet below the nozzle is designed to be inclined toward the inner wall of the drying chamber.

[0007] In order to utilize the protective plate to slide on the limit frame to protect the display screen, as a preferred embodiment of the utility model, a special spray dryer for Chinese medicine extract is provided with a limit frame beside the front end display screen of the control panel, and a slide groove is provided at the horizontal end of the limit frame in a mirror image, and the surface of the slide groove is slidably connected to the protective plate, and one side of the protective plate is embedded in the limit frame.

[0008] In order to make the protective plate slide on the chute for easy movement, as a preferred embodiment of the utility model of a spray dryer for Chinese medicine extract, the upper and lower ends of the protective plate are "T"-shaped structures, and the shape and size are consistent with the chute.

[0009] In order to facilitate fixing the position of the protective plate on the limit frame by utilizing the groove on the limit frame, as a preferred embodiment of the utility model of a special spray dryer for Chinese medicine extract, two cylindrical protrusions are provided on one side of the protective plate, and the shape and size of the protrusions are consistent with the groove on the inner wall of the longitudinal end of the limit frame.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] The air compressor installed on the top of the dryer body supplies air to the connecting pipe, so that the nozzle installed on the air ring cleans the inner wall of the drying chamber to prevent the Chinese medicine extract from sticking to the wall;

[0012] A movable protective plate is used on the limit frame on one side of the control panel display to block and protect the display screen on the inner wall, preventing impurities in the outside air from contaminating the display screen and affecting its clarity. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0016] Figure 3 This is a schematic diagram of a top-view cross-sectional structure of the utility model;

[0017] Figure 4 This is an enlarged cross-sectional structural diagram of the connecting pipe and flange portion of the present invention;

[0018] Figure 5 For the utility model Figure 2 A schematic diagram of the enlarged structure of part A.

[0019] In the figure: 1. Dryer body; 2. Drying chamber; 3. Control panel; 4. Limit plate; 5. Bolt; 6. Air ring; 7. Threaded pipe; 8. Nozzle; 9. Connecting pipe; 10. Flange; 11. Air compressor; 12. Limit frame; 13. Slide; 14. Protective plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-5 The present invention provides the following technical solution: a spray dryer for traditional Chinese medicine extracts, comprising a dryer body 1. In this design, the dryer body 1 is a small spray dryer model ZQ-6000Y. Pretreated slurry is precisely filtered and pumped into a high-speed rotating centrifugal atomizer. The slurry is sprayed into fine droplets, which, along with hot air, enter a drying chamber 2 for drying. The hot air comes into close contact with the droplets, rapidly evaporating the water and causing them to dry rapidly, forming granular solids that then enter a collection tank below.

[0022] A drying chamber 2 is installed at the front end of the dryer body 1, and a control panel 3 is provided on one side of the dryer body 1. The top of the inner wall of the drying chamber 2 is connected to a limit plate 4. The side wall of the limit plate 4 is connected to the vertical rod at the top of the air ring 6 by a bolt 5. A threaded pipe 7 is provided at the bottom of the air ring 6. The inner wall of the threaded pipe 7 is threadedly connected to the nozzle 8. The top of the air ring 6 is threadedly connected to the connecting pipe 9. The connecting pipe 9 passes through the intersection of the neck of the drying chamber 2 and is connected to the sealing ring. The other end of the connecting pipe 9 is threadedly connected to the air compressor 11 by a flange 10. The bottom of the air compressor 11 is connected to the top of the dryer body 1.

[0023] Preferably, eight threaded tubes 7 are distributed in a ring shape at the bottom of the air ring 6 , and the air ring 6 , the threaded tubes 7 and the nozzle 8 form a threaded connection structure, and the air ring 6 is an elastic integrated structure.

[0024] During use, the bolt 5 fixed between the limit plate 4 and the air ring 6 is unscrewed through the upper opening, thereby facilitating the removal of the elastically stretchable air ring 6, and the nozzle 8 threadedly connected to the threaded tube 7 is rotated and removed for cleaning.

[0025] Preferably, the air outlet below the nozzle 8 is tilted toward the inner wall of the drying chamber 2 .

[0026] During specific use, the nozzle 8 is directed toward the inner wall of the drying chamber 2 to clean the Chinese medicinal extract adhered to the inner wall.

[0027] Preferably, a limit frame 12 is provided beside the front display screen of the control panel 3 , and a slide groove 13 is mirrored at the lateral end of the limit frame 12 , and the surface of the slide groove 13 is slidably connected to the protective plate 14 , and one side of the protective plate 14 is embedded in the limit frame 12 .

[0028] When in use, one end of the protective plate 14 is pulled to move it outward on the sliding groove 13 provided on the inner wall of the limiting frame 12 , and then the protrusion on one side of the protective plate 14 is driven to disengage from the engaged limiting frame 12 .

[0029] Preferably, both upper and lower ends of the protection plate 14 are “T”-shaped structures, and the shape and size thereof are consistent with the chute 13 .

[0030] During specific use, the sliding grooves 13 provided at the upper and lower ends of the limiting frame 12 are used to limit the moving route of the protective plate 14 .

[0031] Preferably, two cylindrical protrusions are provided on one side of the protective plate 14 , and the shape and size of the protrusions are consistent with the grooves on the inner wall of the longitudinal end of the limiting frame 12 .

[0032] During specific use, the protrusion on one side of the protective plate 14 is embedded in the limiting frame 12 to fix its position.

[0033] Working principle: During the processing of Chinese medicine extract, one end of the protective plate 14 is pulled to move it outward on the slide groove 13 opened on the inner wall of the limit frame 12, and then the protrusion on one side of the protective plate 14 is driven to disengage from the fitted limit frame 12, thereby exposing the internal display screen for easy touch operation of the dryer body 1 to dry the Chinese medicine extract. At the same time, during drying, the air compressor 11 installed on the top is started to exhaust air to the air outlet, thereby using the connected connecting pipe 9 to supply air to the air ring 6 installed inside the drying chamber 2. At the same time, a sealing ring is sleeved at the intersection of the connecting pipe 9 and the neck of the drying chamber 2. The nozzle 8 threadedly connected to the bottom of the air ring 6 blows air to clean the inner wall of the drying chamber 2 to prevent the Chinese medicine extract from sticking to the wall. During use, the drying chamber 2 can be regularly disassembled and the bolt 5 fixed between the limit plate 4 and the air ring 6 can be unscrewed through the opening at the top, so as to facilitate the removal of the elastically stretchable air ring 6 and the nozzle 8 threaded on the threaded pipe 7 can be rotated to remove it for cleaning.

[0034] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A spray dryer for Chinese herbal medicine extracts, comprising: The dryer body (1) is characterized in that: a drying chamber (2) is installed at the front end of the dryer body (1), a control panel (3) is provided on one side of the dryer body (1), the top of the inner wall of the drying chamber (2) is connected to a limit plate (4), the side wall of the limit plate (4) is connected to the vertical rod at the top of the air ring (6) by a bolt (5), a threaded pipe (7) is provided at the bottom of the air ring (6), the inner wall of the threaded pipe (7) is threadedly connected to a nozzle (8), the top of the air ring (6) is threadedly connected to a connecting pipe (9), the connecting pipe (9) passes through the neck of the drying chamber (2) and is connected to a sealing ring, the other end of the connecting pipe (9) is threadedly connected to an air compressor (11) by a flange (10), and the bottom of the air compressor (11) is connected to the top of the dryer body (1).

2. A spray dryer for Chinese medicine extract according to claim 1, characterized in that: Eight threaded tubes (7) are distributed in a ring shape at the bottom of the air ring (6), and the air ring (6), the threaded tubes (7) and the nozzle (8) form a threaded connection structure. The air ring (6) is an elastic integrated structure.

3. A spray dryer for Chinese medicine extract according to claim 1, characterized in that: The air outlet below the nozzle (8) is designed to be inclined toward the inner wall of the drying chamber (2).

4. A spray dryer for Chinese medicine extract according to claim 1, characterized in that: A limit frame (12) is provided beside the front display screen of the control panel (3), and a slide groove (13) is provided at the lateral end of the limit frame (12) in a mirrored manner. The surface of the slide groove (13) is slidably connected to a protective plate (14), and one side of the protective plate (14) is engaged and connected to the limit frame (12).

5. A spray dryer for Chinese medicine extract according to claim 4, characterized in that: The upper and lower ends of the protective plate (14) are both "T"-shaped structures, and their shape and size are consistent with the slide groove (13).

6. A spray dryer for Chinese medicine extract according to claim 4, characterized in that: Two cylindrical protrusions are provided on one side of the protective plate (14), the shape and size of which are consistent with the grooves on the inner wall of the longitudinal end of the limiting frame (12).

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