Vacuum drying oven for producing 10-deacetylbaccatin

Abstract

The utility model provides a vacuum drying oven for producing 10-deacetylbaccatin. The vacuum drying box for producing 10-deacetylbaccatin comprises a bottom plate, a vacuum box body and a vacuum box cover, the drying box is fixedly connected to the top of the bottom plate, a protective shell is installed at the top of the drying box, air holes are formed in the front face and the back face of the protective shell, a vacuum pump is installed in the protective shell, a fixing pipe is installed at one opening of the vacuum pump, and an electromagnetic valve is installed at the other opening of the vacuum pump. An air pipe is fixedly connected to the other end of the electromagnetic valve, a sealing head is installed at the other end of the air pipe, a moisture absorption pipe is fixedly connected to the bottom of the sealing head, and a plurality of air suction pipes are installed on the two sides of the moisture absorption pipe. According to the vacuum drying oven for 10-deacetylbaccatin production, moisture generated in the drying process of 10-deacetylbaccatin raw materials can be discharged in time through the design, and the drying effect can be improved.

Description

Technical Field

[0001] This utility model relates to the field of drying technology for the production of 10-deacetylated baccatin, and in particular to a vacuum drying oven for the production of 10-deacetylated baccatin. Background Technology

[0002] 10-Deacetylated bacardine can be extracted in two ways: enzymatic extraction (where treated yew powder is mixed with cellulase for hydrolysis followed by extraction using conventional methods), supercritical CO2 extraction (using supercritical CO2 as the extractant and adjusting parameters such as temperature, pressure, and entrainer to extract 10-DAB from yew), and macroporous resin separation (passing the yew extract through a macroporous resin column, utilizing the adsorption and desorption properties of macroporous resin for 10-DAB to achieve separation and purification; and macroporous resin separation (simple, low-cost, and suitable for large-scale production).

[0003] In the production process of 10-deacetylated baccatin, a vacuum drying oven is required to dry the 10-deacetylated baccatin raw material, and the temperature requirements for the drying process of 10-deacetylated baccatin raw material are certain.

[0004] In the process of vacuum drying of moist 10-deacetylated baccatin raw material, the existing vacuum drying oven has a low drying temperature, and if the moisture cannot be discharged in time during the drying process, it will affect the drying effect.

[0005] Therefore, it is necessary to provide a vacuum drying oven for the production of 10-deacetylated baccatin to solve the above-mentioned technical problems. Utility Model Content

[0006] This invention provides a vacuum drying oven for the production of deacetylated bacardine, which solves the problem that existing vacuum drying ovens lack a structure for venting moisture, and that moisture in the drying oven can affect the drying effect.

[0007] To solve the above-mentioned technical problems, the vacuum drying oven for the production of deacetylated baccatin provided by this utility model includes: a bottom plate;

[0008] A drying oven is fixedly connected to the top of a base plate. A protective shell is installed on the top of the drying oven. Ventilation holes are provided on both the front and back of the protective shell. A vacuum pump is installed inside the protective shell. A fixed pipe is installed at one port of the vacuum pump, and a solenoid valve is installed at the other port of the vacuum pump. An air pipe is fixedly connected to the other end of the solenoid valve. A sealing head is installed at the other end of the air pipe. A moisture-absorbing pipe is fixedly connected to the bottom of the sealing head. Multiple air-absorbing pipes are installed on both sides of the moisture-absorbing pipe.

[0009] The cabinet door is rotatably connected to the front of the drying oven. Multiple electric heating plates are installed on both sides of the inner wall of the drying oven via electric heating shells. A thermostat is installed on the back of the drying oven, and connecting wires are installed on both sides of the thermostat. Multiple perforated placement plates are installed inside the drying oven, and a protective frame is installed on the top of each placement plate at the middle position.

[0010] The vacuum pump can both evacuate and supply air. During the evacuation process, it can create a vacuum inside the drying chamber. The protective shell provides protection, and the vent holes are for heat dissipation. The sealing head is installed on the top of the drying chamber, and the other end of the connecting wire is connected to the internal equipment of the heating shell. The heating shell is located on both sides of the drying chamber, and the equipment connected to the heating plate is installed inside the heating shell.

[0011] Preferably, a mounting base is installed on the front of the cabinet door, and an operation screen is installed on the front of the mounting base.

[0012] Preferably, a control box is installed on the top of the base plate, and a door is rotatably connected to one side of the control box;

[0013] The control box contains power switches and controllers for operating the equipment.

[0014] Preferably, an air inlet pipe is installed on one side of the drying chamber, and a valve is fixedly connected to the other end of the air inlet pipe;

[0015] The air inlet pipe and the drying chamber are connected. The air inlet pipe is for facilitating air entry when the cabinet door needs to be opened.

[0016] Preferably, a bend is installed at the other end of the valve, and a filter tube is installed at the other end of the bend;

[0017] The filter tube can filter the air entering the drying chamber.

[0018] Preferably, a filter screen is installed inside the filter tube by a fixing buckle, and an air inlet cover is installed at the other end of the filter tube;

[0019] The air intake is cone-shaped.

[0020] Compared with related technologies, the vacuum drying oven for the production of deacetylated baccatin provided by this utility model has the following beneficial effects:

[0021] This invention provides a vacuum drying oven for the production of 10-deacetylated baccatin. To facilitate dehumidification and improve drying efficiency, a sealing head is installed on the top of the drying oven. A moisture-absorbing pipe with an air suction tube is then passed through the middle of the protective frame, allowing the moisture-absorbing pipe to be installed inside the drying oven from top to bottom. The top of the sealing head is connected to a vacuum pump in the protective shell via an air pipe. The operation of the vacuum pump can expel the humid gas inside the drying oven, maintaining a vacuum drying state. This design allows for the timely removal of moisture generated during the drying process of 10-deacetylated baccatin raw materials, thus improving the drying effect. Attached Figure Description

[0022] Figure 1 A schematic diagram of a preferred embodiment of the vacuum drying oven for the production of 10-deacetylated baccatin provided by this utility model;

[0023] Figure 2 A schematic diagram of the filter tube is provided for this utility model;

[0024] Figure 3 A structural schematic diagram of the placement plate is provided for this utility model;

[0025] Figure 4 A schematic diagram of the vacuum pump is provided for this utility model;

[0026] Figure 5 A schematic diagram of the structure of the filter screen provided for this utility model.

[0027] Numbered in the diagram: 1. Base plate, 2. Control box, 3. Box door, 4. Heating shell, 5. Drying oven, 6. Protective shell, 7. Air pipe, 8. Sealing head, 9. Mounting base, 10. Control panel, 11. Air inlet pipe, 12. Valve, 13. Cabinet door, 14. Bend, 15. Filter pipe, 16. Air inlet hood, 17. Thermostat, 18. Connecting wire, 19. Fixing pipe, 20. Moisture absorption pipe, 21. Air suction pipe, 22. Placement plate, 23. Perforation, 24. Heating plate, 25. Vacuum pump, 26. Vent hole, 27. Fixing buckle, 28. Filter screen, 29. Protective frame, 30. Solenoid valve. Detailed Implementation

[0028] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0029] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic diagram of a preferred embodiment of the vacuum drying oven for the production of 10-deacetylated baccatin provided by this utility model; Figure 2A schematic diagram of the filter tube is provided for this utility model; Figure 3 A structural schematic diagram of the placement plate is provided for this utility model; Figure 4 A schematic diagram of the vacuum pump is provided for this utility model; Figure 5 A schematic diagram of the filter screen provided for this utility model. The vacuum drying oven for the production of 10-deacetylated baccatin includes: a base plate 1;

[0030] A drying oven 5 is fixedly connected to the top of the base plate 1. A protective shell 6 is installed on the top of the drying oven 5. Ventilation holes 26 are provided on both the front and back of the protective shell 6. A vacuum pump 25 is installed inside the protective shell 6. A fixed pipe 19 is installed at one port of the vacuum pump 25, and a solenoid valve 30 is installed at the other port of the vacuum pump 25. An air pipe 7 is fixedly connected to the other end of the solenoid valve 30. A sealing head 8 is installed at the other end of the air pipe 7. A moisture-absorbing pipe 20 is fixedly connected to the bottom of the sealing head 8. Multiple suction pipes 21 are installed on both sides of the moisture-absorbing pipe 20.

[0031] Cabinet door 13 is rotatably connected to the front of drying oven 5. Multiple electric heating plates 24 are installed on both sides of the inner wall of drying oven 5 through electric heating shells 4. A temperature controller 17 is installed on the back of drying oven 5. Connecting wires 18 are installed on both sides of the temperature controller 17. Multiple placement plates 22 with perforations 23 are installed inside drying oven 5. A protective frame 29 is installed on the top of each placement plate 22 at the middle position.

[0032] Vacuum pump 25 can pump and supply air. During the pumping process, it can evacuate the inside of drying chamber 5. Protective shell 6 provides protection. Vent hole 26 is for heat dissipation. Sealing head 8 is installed on the top of drying chamber 5. The other end of connecting wire 18 is connected to the internal equipment of electric heating shell 4. Electric heating shell 4 is located on both sides of drying chamber 5. The inside of electric heating shell 4 is equipped with equipment connected to electric heating plate 24. The connection between protective frame 29 and placement plate 22 is through. Protective frame 29 can prevent raw materials from falling. Moisture absorption pipe 20 passes through the middle of protective frame 29.

[0033] The cabinet door 13 is equipped with a mounting base 9 on its front side, and the mounting base 9 is equipped with an operation screen 10 on its front side.

[0034] The operation panel 10 allows you to set the device's operating parameters.

[0035] A control box 2 is installed on the top of the base plate 1, and a door 3 is rotatably connected to one side of the control box 2;

[0036] The door 3 is equipped with a lock, and the control box 2 contains a power switch and a controller for controlling the operation of the equipment.

[0037] An air inlet pipe 11 is installed on one side of the drying oven 5, and a valve 12 is fixedly connected to the other end of the air inlet pipe 11.

[0038] Reference for the position of intake pipe 11 Figure 2 The air inlet pipe 11 and the drying chamber 5 are connected. The air inlet pipe 11 is used to facilitate the entry of air when the cabinet door 13 needs to be opened.

[0039] A bend 14 is installed at the other end of the valve 12, and a filter pipe 15 is installed at the other end of the bend 14.

[0040] The filter tube 15 can filter the air entering the drying chamber 5.

[0041] A filter screen 28 is installed inside the filter tube 15 by a fixing buckle 27, and an air inlet shroud 16 is installed at the other end of the filter tube 15.

[0042] The air intake shroud 16 is conical, and the filter 28 is removable.

[0043] The working principle of the vacuum drying oven for the production of 10-deacetylated baccatin provided by this utility model is as follows:

[0044] A sealing head 8 is installed on the top of the drying oven 5. Then, a moisture-absorbing pipe 20 with a suction pipe 21 is passed through the middle of the protective frame 29, allowing the moisture-absorbing pipe 20 to be installed inside the drying oven 5 from top to bottom. The top of the sealing head 8 is connected to the vacuum pump 25 in the protective shell 6 via a gas pipe 7. The operation of the vacuum pump 25 can expel the humid gas inside the drying oven 5, maintaining a vacuum drying state. In actual use, the 10-deacetylated baccatin raw material to be dried is first placed on the perforated plate 22. After completion, close the cabinet door 13, then start the vacuum pump 25 to extract the air from the drying chamber 5, creating a vacuum inside the drying chamber 5. Once completed, the vacuum pump 25 stops working, and the solenoid valve 30 closes. Then, start the thermostat 17 to control the electric heating plate 24 to heat to the corresponding temperature. When the temperature reaches a certain point, simply open the solenoid valve 30 to restart the vacuum pump 25. This, along with the moisture absorption pipe 20 and air suction pipe 21 that run through the drying chamber 5, will expel the moisture generated during drying. While expelling the moisture, the vacuum inside the drying chamber 5 can be maintained.

[0045] Compared with related technologies, the vacuum drying oven for the production of 10-deacetylated baccatin provided by this utility model has the following beneficial effects:

[0046] To facilitate dehumidification and improve drying efficiency in the drying chamber 5, a sealing head 8 is installed on the top of the drying chamber 5. Then, a moisture-absorbing pipe 20 with an air suction pipe 21 is passed through the middle of the protective frame 29, allowing the moisture-absorbing pipe 20 to be installed inside the drying chamber 5 from top to bottom. The top of the sealing head 8 is connected to the vacuum pump 25 in the protective shell 6 via an air pipe 7. The operation of the vacuum pump 25 can expel the humid gas inside the drying chamber 5, maintaining the drying chamber 5 in a vacuum drying state. This design allows the moisture generated during the drying process of 10-deacetylated baccatin raw material to be discharged in a timely manner, which is beneficial to improving the drying effect.

[0047] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A vacuum drying oven for the production of 10-deacetylated baccatin, characterized in that, include: Base plate; A drying oven is fixedly connected to the top of a base plate. A protective shell is installed on the top of the drying oven. Ventilation holes are provided on both the front and back of the protective shell. A vacuum pump is installed inside the protective shell. A fixed pipe is installed at one port of the vacuum pump, and a solenoid valve is installed at the other port of the vacuum pump. An air pipe is fixedly connected to the other end of the solenoid valve. A sealing head is installed at the other end of the air pipe. A moisture-absorbing pipe is fixedly connected to the bottom of the sealing head. Multiple air-absorbing pipes are installed on both sides of the moisture-absorbing pipe. The cabinet door is rotatably connected to the front of the drying oven. Multiple electric heating plates are installed on both sides of the inner wall of the drying oven via electric heating shells. A temperature controller is installed on the back of the drying oven, and connecting wires are installed on both sides of the temperature controller. Multiple perforated placement plates are installed inside the drying oven, and a protective frame is installed on the top of each placement plate at the middle position.

2. The vacuum drying oven for the production of 10-deacetylated baccatin according to claim 1, characterized in that, A mounting base is installed on the front of the cabinet door, and an operation screen is installed on the front of the mounting base.

3. The vacuum drying oven for the production of 10-deacetylated baccatin according to claim 1, characterized in that, A control box is mounted on the top of the base plate, and a door is rotatably connected to one side of the control box.

4. The vacuum drying oven for the production of 10-deacetylated baccatin according to claim 1, characterized in that, An air inlet pipe is installed on one side of the drying chamber, and a valve is fixedly connected to the other end of the air inlet pipe.

5. The vacuum drying oven for the production of 10-deacetylated baccatin according to claim 4, characterized in that, A bend is installed at the other end of the valve, and a filter tube is installed at the other end of the bend.

6. The vacuum drying oven for the production of 10-deacetylated baccatin according to claim 5, characterized in that, The filter tube has a filter screen installed inside by a fixing buckle, and an air inlet cover is installed at the other end of the filter tube.

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