Temperature control double-cone rotary vacuum dryer

By designing and developing a temperature-controlled double-cone rotary vacuum dryer, the problem of long drying time in existing technologies has been solved, achieving uniform heating, high drying efficiency, and small footprint.

CN223610492UActive Publication Date: 2025-11-28HEBEI HUACHEN PHARMA
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Patent Information

Application Number
CN202423303913.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-11-28
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing vacuum dryers have long drying times, requiring patience to achieve the desired drying effect.

Method used

A temperature-controlled double-cone rotary vacuum dryer is adopted. By installing electric heating tubes in the double-cone drying chamber jacket, combined with the material tumbling in the rotary drying chamber, the drying efficiency is improved by utilizing the uniform heating of the electric heating tubes and the tumbling of the material.

Benefits of technology

It achieves uniform heating, shortens drying time, and improves drying quality and efficiency, while also occupying a small area and being easy to install and maintain.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a temperature control double-cone rotary vacuum dryer, which belongs to the technical field of vacuum drying and comprises a drying chamber, and an electric control cabinet and a support box are respectively arranged on the left side and the right side of the drying chamber. The drying chamber comprises a double-cone-shaped drying chamber, a feeding port is formed in the top of the double-cone-shaped drying chamber, and a discharging port is formed in the lower portion of the double-cone- An electric heating pipe is arranged in a conical interlayer of the double-cone drying chamber, and a lithium battery pack electrically connected with the electric heating pipe is arranged in the middle of the outer side wall of the double-cone drying chamber; a rotating shaft pipe is arranged at the left end of the double-cone drying chamber and is rotatably arranged on the electric control cabinet; a rotating shaft is arranged at the right end of the double-cone-shaped drying chamber and connected with a driving motor, and the driving motor is installed on the top of the supporting box. A vacuumizing pipe is rotatably arranged in the rotating shaft pipe and connected with a condenser through a vacuum pump. The temperature-control double-cone rotary vacuum dryer disclosed by the utility model is uniform in heating, high in drying efficiency, good in quality and small in occupied area.
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Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum drying technical field especially relates to a temperature control double -cone rotary vacuum drying machine. BACKGROUND

[0002] Vacuum drying is widely used in food processing, which can be used for drying treatment of fruits, vegetables, meat and seafood. This method not only can retain the nutritional ingredients of food, but also can prolong the shelf life of food. For example, freeze-dried fruits such as strawberries and blueberries can be made into snack foods, and are convenient to carry and store. In addition, it is also applied in pharmaceutical industry, used for removing water or solvent in medicine, improving the purity and stability of medicine; applied in chemical field, used for the preparation of powder and particle, removing water and solvent, preventing the occurrence of chemical reaction, maintaining the purity and stability of chemical substances; applied in material science, removing water in materials can improve the quality and performance of materials. In short, the application range of vacuum drying is very wide, which can complete the drying process under low temperature conditions, compared with traditional hot air drying, can significantly reduce the drying temperature and drying time, save energy and improve the drying efficiency. However, compared with the traditional drying method, the existing vacuum drying machine has a long drying time, and the ideal drying effect can be obtained only after waiting patiently. Based on this, the utility model provides a temperature control double -cone rotary vacuum drying machine. SUMMARY

[0003] The utility model discloses a temperature control double -cone rotary vacuum drying machine, solve the above-mentioned problem.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] The utility model discloses a temperature control double -cone rotary vacuum drying machine, including drying chamber, the left and right sides of drying chamber are provided with electric control cabinet and support box respectively;The drying chamber includes double -cone type drying chamber, the top of double -cone type drying chamber is provided with the inlet, and the lower part is provided with the discharge gate;Electric heating pipe is arranged in the cone face interlayer of double -cone type drying chamber, the middle position on the outer side wall of double -cone type drying chamber is provided with lithium battery group and electric heating pipe electric connection;The left end of double -cone type drying chamber is provided with rotating shaft pipe, and rotating shaft pipe is rotatably arranged on electric control cabinet;The right end of double -cone type drying chamber is provided with the shaft, and the shaft is connected with drive motor through transmission mechanism, and drive motor is installed on the top of support box;Rotating shaft pipe rotatably arranged in the vacuumizing pipe, and vacuumizing pipe is connected with condenser through vacuum pump.

[0006] Further, the middle position on the outer side wall of double -cone type drying chamber is provided with observation window, and the observation window adopts transparent material.

[0007] Further, the inlet is provided with a vacuum pressure gauge and a temperature sensor.

[0008] Further, the rotating shaft pipe and the rotating shaft are arranged in the electric control cabinet and the supporting box through bearing assemblies respectively.

[0009] Further, a connecting pipe is arranged between the vacuum pump and the condenser.

[0010] Further, the end of the vacuum pipe arranged in the double-cone drying chamber is provided with a filter head.

[0011] Further, the transmission mechanism comprises a driving sprocket which is connected with the driving motor through a key connection, the driving sprocket is connected with a driven sprocket through a chain, and the driven sprocket is connected with the rotating shaft through a key connection.

[0012] Further, the condenser comprises a heat exchange cavity, one end of the heat exchange cavity is provided with a hot steam inlet which is connected with the exhaust pipe of the vacuum pump, and the other end of the heat exchange cavity is provided with a cold steam outlet; a heat exchange pipe is spirally wound on the outer wall of the heat exchange cavity, the bottom of the heat exchange pipe is provided with a plurality of heat conduction blocks, one end of the heat conduction blocks away from the heat exchange pipe is provided with a cooling fin; and the heat exchange pipe is covered with an outer shell.

[0013] Compared with the prior art, the beneficial technical effects of the utility model are:

[0014] The utility model discloses a temperature control double-cone rotary vacuum drying machine, which is installed with an electric heating pipe device in the interlayer of the double-cone drying chamber, so that the heating is uniform, the material is puffed, and the drying quality is improved. During the rotation of the driving motor and the rotating shaft, the material in the drying chamber is rolled up and down, so that the material is uniformly heated, the drying efficiency is improved, and the drying time is shortened. In addition, the double-cone rotary vacuum drying machine is compact in design and small in floor area, so that the installation is convenient, and the maintenance is simple. In summary, the utility model discloses a temperature control double-cone rotary vacuum drying machine, which is uniform in heating, high in drying efficiency, good in quality, and small in floor area. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described in connection with the drawings.

[0016] Figure 1 It is a front view of the utility model temperature control double-cone rotary vacuum drying machine.

[0017] Figure 2 It is a sectional view of the utility model temperature control double-cone rotary vacuum drying machine.

[0018] Figure 3 It is a drying chamber structure schematic view.

[0019] Figure 4 This is a cross-sectional view of the condenser;

[0020] Figure 5 This is a schematic diagram of a partial structure of the condenser;

[0021] Explanation of reference numerals in the attached drawings: 1. Drying chamber; 2. Electrical control cabinet; 3. Support box; 4. Vacuum pump; 5. Condenser; 6. Transfer pipe; 7. Drive motor; 8. Drive sprocket; 9. Chain; 10. Driven sprocket; 11. Shaft; 12. Bearing assembly; 13. Vacuum tube; 14. Rotating shaft tube; 15. Filter head;

[0022] 101. Double-cone drying chamber; 102. Discharge port; 103. Feed inlet; 104. Electric heating element; 105. Lithium battery pack; 106. Observation window;

[0023] 501. Hot steam inlet; 502. Cold steam outlet; 503. Heat exchange chamber; 504. Heat exchange tube; 505. Outer shell; 506. Heat-conducting block; 507. Heat sink. Detailed Implementation

[0024] like Figures 1-5 As shown, a temperature-controlled double-cone rotary vacuum dryer includes a drying chamber 1, with an electrical control cabinet 2 and a support box 3 installed on the left and right sides of the drying chamber 1, respectively. The drying chamber 1 includes a double-cone drying chamber 101, with an inlet 103 at the top and an outlet 102 at the bottom. The inlet 103 and outlet 102 are interchangeable, allowing for both feeding and discharging. An electric heating tube 104 is installed within the conical interlayer of the double-cone drying chamber 101, and a lithium battery pack 105, electrically connected to the electric heating tube 104, is installed at the middle of the outer wall of the double-cone drying chamber 101. The electric heating tube 104, installed within the conical interlayer, ensures uniform heating, thereby improving heating efficiency and shortening drying time. Furthermore, the lithium battery pack 105 provides the power required for heating the electric heating tube 104, eliminating the need for an external power source, thus broadening the application conditions and improving practicality.

[0025] A rotating shaft tube 14 is installed at the left end of the double-cone drying chamber 101, and the rotating shaft tube 14 is rotatably mounted on the electrical control cabinet 2. A rotating shaft 11 is installed at the right end of the double-cone drying chamber 101, and the rotating shaft 11 is connected to a drive motor 7 through a transmission mechanism. The drive motor 7 is mounted on the top of the support box 3. The transmission mechanism includes a drive sprocket 8 keyed to the drive motor 7, and the drive sprocket 8 is connected to a driven sprocket 10 through a chain 9. The driven sprocket 10 is keyed to the rotating shaft 11.

[0026] Specific, drive motor 7 start, rotating shaft 11 rotation, drive double cone type drying chamber 101 rotation, and then make double cone type drying chamber 101 in the material up and down tumbling, and tumbling process, adhere to the inner cone, the heat of electric heating tube 104 is effectively transferred to the material, help to puffing, improve the drying quality.

[0027] The rotatable shaft pipe 14 rotatably installs the vacuumizing pipe 13, the vacuumizing pipe 13 is connected with the condenser 5 through the vacuum pump 4, and the vacuum pump 4 and the condenser 5 are provided with the switching pipeline 6. The vacuum pump 4 is used for maintaining the low pressure state in the drying chamber.

[0028] The observation window 106 is installed on the middle position of the outer side wall of the double cone type drying chamber 101, the observation window is made of transparent material, and is used for observing the drying condition.

[0029] The vacuum pressure gauge and the temperature sensor are installed on the feeding inlet 103, the pressure and the temperature range change are observed, and are transmitted to the electric control cabinet 2, so that the electric control cabinet 2 controls the opening state of each electric element.

[0030] The rotatable shaft pipe 14 and the rotating shaft 11 are respectively installed in the electric control cabinet 2 and the supporting box 3 through the bearing assembly 12.

[0031] The filter screen head 15 is installed at the end of the vacuumizing pipe 13 in the double cone type drying chamber 101, so as to avoid that the material blocks the pipeline.

[0032] The condenser 5 comprises a heat exchange cavity 503, one end of the heat exchange cavity 503 is provided with a hot steam inlet 501 connected with the air outlet pipe of the vacuum pump 4, and the other end of the heat exchange cavity 503 is provided with a cold steam outlet 502. The outer side wall of the heat exchange cavity 503 is spirally wound with a heat exchange pipe 504, the bottom of the heat exchange pipe 504 is provided with a plurality of heat conducting blocks 506, and one end, away from the heat exchange pipe 504, of the heat conducting block 506 is provided with a heat dissipation fin 507. The outer side of the heat exchange pipe 504 is provided with an outer shell 505.

[0033] Specifically, after high-temperature water vapor enters the heat exchange cavity 503, the heat exchange operation is carried out by the heat exchange pipe 504 outside the heat exchange cavity 503, the water vapor after heat exchange is condensed into water and discharged from the cold steam outlet 502; and the heat after heat exchange of the heat exchange pipe 504 is conducted out through the heat conducting block 506 at the bottom and finally radiated out from the heat dissipation fin 506, so that the liquid in the heat exchange pipe 504 becomes cold liquid, facilitating continuous heat exchange and realizing condensation operation.

[0034] The action process of the utility model is as follows:

[0035] First, the material to be dried is put into the drying chamber 1; then, the electric heating tube 104 is powered on to heat the drying chamber 1; then the vacuum pump 4 is started to perform the vacuumizing operation inside the drying chamber 1; finally, the driving motor 7 is started to rotate the drying chamber 1, and during the rotation, the material rolls in the drying chamber 1, is uniformly heated, and the drying efficiency and quality are improved.

[0036] The above-described embodiments are only used to describe the preferred modes of the present application, and do not limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements of the technical solutions of the present application made by those skilled in the art shall fall within the protection scope determined by the claims of the present application.

Claims

1. A temperature-controlled double-cone rotary vacuum dryer, characterized by: The utility model provides a double-cone type drying room, which comprises a drying room (1), an electric control cabinet (2) and a supporting box (3) are arranged on the left and right sides of the drying room (1) respectively, the drying room (1) comprises a double-cone type drying room (101), the top of the double-cone type drying room (101) is provided with a feeding port (103), and the lower part is provided with a discharging port (102); an electric heating pipe (104) is arranged in the conical face interlayer of the double-cone type drying room (101), a lithium battery pack (105) electrically connected with the electric heating pipe (104) is arranged on the middle position of the outer side wall of the double-cone type drying room (101); a rotating shaft pipe (14) is arranged at the left end of the double-cone type drying room (101), the rotating shaft pipe (14) is rotatably arranged on the electric control cabinet (2); a rotating shaft (11) is arranged at the right end of the double-cone type drying room (101), the rotating shaft (11) is connected with a driving motor (7) through a transmission mechanism, and the driving motor (7) is installed on the top of the supporting box (3); a vacuumizing pipe (13) is rotatably arranged in the rotating shaft pipe (14), and the vacuumizing pipe (13) is connected with a condenser (5) through a vacuum pump (4).

2. Temperature-controlled double-cone rotary vacuum dryer according to claim 1, characterized in that An observation window (106) is arranged on the middle position of the outer side wall of the double-cone type drying room (101), and the observation window is made of transparent material.

3. The temperature-controlled dual-cone rotary vacuum dryer of claim 1, wherein: A vacuum pressure gauge and a temperature sensor are arranged on the feeding port (103).

4. The temperature-controlled dual-cone rotary vacuum dryer of claim 1, wherein: The rotating shaft pipe (14) and the rotating shaft (11) are arranged in the electric control cabinet (2) and the supporting box (3) through bearing assemblies (12) respectively.

5. The temperature-controlled dual-cone rotary vacuum dryer of claim 1, wherein: An adapter pipeline (6) is arranged between the vacuum pump (4) and the condenser (5).

6. The temperature-controlled dual-cone rotary vacuum dryer of claim 1, wherein: A filter screen head (15) is arranged at the end of the vacuumizing pipe (13) in the double-cone type drying room (101).

7. The temperature-controlled dual-cone rotary vacuum dryer of claim 1, wherein: The transmission mechanism comprises a driving sprocket (8) which is connected with the driving motor (7) through a key, the driving sprocket (8) is connected with a driven sprocket (10) through a chain (9), and the driven sprocket (10) is connected with the rotating shaft (11) through a key.

8. The temperature-controlled dual-cone rotary vacuum dryer of claim 1, wherein: The condenser (5) comprises a heat exchange cavity (503), one end of the heat exchange cavity (503) is provided with a hot steam inlet (501) which is connected with the gas outlet pipe of the vacuum pump (4), and the other end of the heat exchange cavity (503) is provided with a cold steam outlet (502); heat exchange pipes (504) are spirally wound on the outer side wall of the heat exchange cavity (503), the bottom of the heat exchange pipes (504) is provided with a plurality of heat conduction blocks (506), one end of the heat conduction blocks (506) away from the heat exchange pipes (504) is provided with a heat dissipation fin (507), and the heat exchange pipes (504) are covered with an outer shell (505).