Vacuum drying machine capable of achieving low-temperature outer furnace heating

Abstract

The utility model discloses a vacuum drier capable of low-temperature outer furnace heating, and particularly relates to the field of vacuum dryers, the vacuum drier comprises a shell, the front end of the shell is fixedly connected with a low-temperature heating mechanism, the low-temperature heating mechanism comprises a protection box, the upper part of one side of the protection box is fixedly connected with a reinforcing plate, and the upper part of the other side of the protection box is fixedly connected with the reinforcing plate. And the middle part of the protection box is fixedly connected with a box body. A user pulls out a plug column from a liquid inlet in a liquid inlet pipe, the user pours heat conduction oil into the liquid inlet and enters an oil storage tank of a protection box, the two sides of a connecting plate are placed in sliding groove plates, meanwhile, the plug column is inserted into the liquid inlet in the liquid inlet pipe to be pressed, and open grooves in the two sides of the connecting plate correspond to threaded grooves; and finally, the threaded column is rotated into the threaded groove to penetrate through the interior of the open groove, a power source in the control box is started to start the heating assembly, heat conduction is conducted through internal heat conduction oil, heat preservation and heating can be better conducted on the materials, external low-temperature heating and heat preservation can be achieved, and limitation is reduced.

Description

Technical Field

[0001] The utility model relates to the field of vacuum dryers, and more specifically, to a vacuum dryer which can be heated by a low-temperature external furnace. Background Art

[0002] Vacuum dryer is a low-temperature device that heats materials in a vacuum. It is used for dehydration and drying of high-value-added and heat-sensitive agricultural and sideline products, health products, food, medicinal materials, fruits and vegetables, chemical raw materials, etc. When vacuum drying materials, some materials require low-temperature heating treatment, so this device is needed to heat the materials at low temperature.

[0003] After searching, the existing patent (publication number: CN214095185U) discloses a vacuum dryer that is easy to disassemble, including a dryer, a manhole cover is fixedly provided at the manhole of the dryer, an arc-shaped top cover is fixedly provided at the inner center of the manhole cover, a fastening bolt is movably provided at the end of the arc-shaped top cover away from the manhole cover, a supporting steel pipe is movably sleeved on the middle part of the bolt body of the fastening bolt, two fastening nuts are threadedly sleeved on the position of the bolt body of the fastening bolt near the arc-shaped top cover, a supporting cover is fixedly provided at the end of the supporting steel pipe away from the arc-shaped top cover, an exhaust cap is fixedly provided at the center of the side of the support cover away from the arc-shaped top cover, and a connecting plate is fixedly provided on the end of the exhaust cap away from the support cover. The utility model discloses a vacuum dryer that is easy to disassemble, and the new vacuum dryer that is easy to disassemble has a simple structure, strong operability, shortened production cycle and high production efficiency. In the process of realizing the utility model, the inventor found that the prior art has the following problems:

[0004] After the existing vacuum dryer vacuum heats the material, the vacuum dryer is turned off and the heat of the internal material will gradually cool down. As time goes by, the heat loss will be relatively large. Therefore, the material that needs low-temperature heating treatment must be immediately discharged and placed in the required constant temperature room, which is relatively cumbersome. Therefore, it is necessary to install a low-temperature heating mechanism. The material is inside the dryer shell 1 and does not need to be moved, so external low-temperature heating and heat preservation can be achieved, which can better reduce energy consumption and waste and reduce limitations.

[0005] Therefore, in order to solve the above problems, a vacuum dryer capable of being heated by a low-temperature external furnace is proposed. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a vacuum dryer that can be heated by a low-temperature external furnace to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solution: a vacuum dryer capable of low-temperature external furnace heating, comprising a housing, a low-temperature heating mechanism fixedly connected to the front end of the housing, the low-temperature heating mechanism comprising a protection box, a reinforcement plate fixedly connected to the upper side of one side of the protection box, a box body fixedly connected to the middle of the protection box, and a control box fixedly connected to the front end of the box body;

[0008] A fixing column is fixedly connected to one side of the interior of the box body, a heating component is fixedly connected to the other side of the fixing column, a liquid outlet is fixedly connected to the lower side of one side of the box body, a liquid inlet pipe is fixedly connected to the front end of the protection box, a plug column is movably connected to the upper interior of the liquid inlet pipe, a connecting plate is fixedly connected to the upper interior of the plug column, a threaded column is movably threadedly connected to the inner side of one side of the connecting plate, a threaded groove is externally threaded on the front end of the threaded column, and a slide plate is fixedly connected to the outside of the threaded groove.

[0009] Preferably, a cover plate is fixedly connected to the bottom of the shell by screws, and a transmission shaft is fixedly connected to one side of the middle portion of the shell.

[0010] Preferably, the other side of the transmission shaft is connected to a rotating assembly via a coupling, a working box is fixedly connected to the bottom of one side of the rotating assembly, and a support plate is fixedly connected to the bottom of the working box.

[0011] Preferably, the working box and the support plate are connected by welding, and the housing forms a rotating structure through the transmission shaft and the rotating assembly.

[0012] Preferably, the chute plate and the connecting plate are in sliding connection, and the chute plate and the liquid inlet pipe are in fixed connection.

[0013] Preferably, there are multiple groups of thread grooves, and the multiple groups of thread grooves are distributed on the slide plate at equal distances.

[0014] Preferably, the shell and the protection box are fixedly connected, and the reinforcement plate and the shell are fixedly connected.

[0015] The technical effects and advantages of this utility model are:

[0016] Compared with the prior art, the vacuum dryer capable of low-temperature external furnace heating is provided with a low-temperature heating mechanism, the device is placed in the required position, the material to be processed is placed in the shell of the vacuum dryer, and then the user pulls out the plug from the liquid inlet on the liquid inlet pipe, and the user pours the heat transfer oil into the liquid inlet, thereby entering the oil storage tank of the protection box. After the oil storage tank is full, the user places both sides of the connecting plate inside the slide plate, and at the same time, the plug is inserted into the liquid inlet on the liquid inlet pipe and pressed, and lowered to the required position, and the grooves inside both sides of the connecting plate correspond to the threaded grooves, and finally the threaded column is turned into the threaded groove and penetrates the grooves. The user starts the power supply inside the control box to start the heating component to generate heat, and the heat is conducted by the internal heat transfer oil, which can better insulate and heat the material, thereby realizing external low-temperature heating and heat preservation, thereby better reducing energy consumption and waste and reducing limitations. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 This is a schematic diagram of the shell structure of the utility model.

[0019] Figure 3 This is a schematic diagram of the protective box structure of the utility model.

[0020] Figure 4 This is a schematic diagram of the structure of the heating component of the present utility model.

[0021] Figure 5 For this utility model Figure 3 A partial enlarged view of middle A.

[0022] The figures are marked as follows: 1. Shell; 2. Drive shaft; 3. Rotating assembly; 4. Cover plate; 5. Support plate; 6. Working box; 7. Low-temperature heating mechanism; 701. Protective box; 702. Box body; 703. Reinforcement plate; 704. Liquid outlet; 705. Control box; 706. Heating assembly; 707. Fixed column; 708. Liquid inlet pipe; 709. Plug column; 710. Connecting plate; 711. Slide plate; 712. Threaded groove; 713. Threaded column. DETAILED DESCRIPTION

[0023] 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.

[0024] Example 1

[0025] As attached Figure 1 and Figure 3 and Figure 4 as well as Figure 5 The vacuum dryer shown in the figure can be heated by a low-temperature external furnace, including a housing 1, a low-temperature heating mechanism 7 fixedly connected to the front end of the housing 1, and the low-temperature heating mechanism 7 includes a protection box 701, a reinforcement plate 703 fixedly connected to the upper side of the protection box 701, a box body 702 fixedly connected to the middle of the protection box 701, and a control box 705 fixedly connected to the front end of the box body 702;

[0026] A fixed column 707 is fixedly connected to one side of the inner part of the box body 702, and a heating component 706 is fixedly connected to the other side of the fixed column 707. A liquid outlet 704 is fixedly connected to the lower part of one side of the box body 702. The front end of the protective box 701 is fixedly connected to a liquid inlet pipe 708, and a plug column 709 is movably connected to the upper part of the liquid inlet pipe 708. A connecting plate 710 is fixedly connected to the upper part of the plug column 709. A threaded column 713 is movably connected to the inner part of one side of the connecting plate 710. The front end of the threaded column 713 is externally threaded with a threaded groove 712, and the outside of the threaded groove 712 is fixedly connected to a slide plate 711.

[0027] Among them: pull out the plug 709 from the liquid inlet on the liquid inlet pipe 708, and the user pours the heat transfer oil into the liquid inlet, thereby entering the oil storage tank of the protection box 701. After the oil storage tank is full, the user places the two sides of the connecting plate 710 inside the slide plate 711, and at the same time inserts the plug 709 into the liquid inlet on the liquid inlet pipe 708 and presses it, lowering it to the required position, and the grooves on both sides of the connecting plate 710 correspond to the threaded groove 712, and finally the threaded column 713 is turned into the threaded groove 712 and passes through the groove, and the number of low-temperature heating mechanisms 7 is two, which are installed in the front and back of the shell 1.

[0028] Example 2 is based on Example 1 and further refines the solution in Example 1 in combination with the following specific working methods. See the following description for details:

[0029] See also Figure 1-Figure 5 As shown,

[0030] As a preferred embodiment, the bottom of the shell 1 is fixedly connected to the cover plate 4 by screws, and the middle side of the shell 1 is fixedly connected to the transmission shaft 2. Through the relationship between the shell 1 and the cover plate 4, during later use, the material can be better placed into the shell 1 without generating gaps and ensuring airtightness.

[0031] As a preferred embodiment, the other side of the transmission shaft 2 is connected to a rotating assembly 3 through a coupling, and a working box 6 is fixedly connected to the bottom of one side of the rotating assembly 3, and a support plate 5 is fixedly connected to the bottom of the working box 6. Through the relationship between the working box 6 and the support plate 5, the entire device can be better supported during later use while providing stability.

[0032] As a preferred embodiment, the working box 6 and the support plate 5 are welded together, and the shell 1 forms a rotating structure through the transmission shaft 2 and the rotating component 3. Through the relationship between the shell 1, the transmission shaft 2 and the rotating component 3, the vacuum dryer shell 1 is driven to rotate during later use, which can better heat the material evenly.

[0033] As a preferred embodiment, the slide plate 711 and the connecting plate 710 are slidably connected, and the slide plate 711 and the liquid inlet pipe 708 are fixedly connected. Through the relationship between the slide plate 711 and the connecting plate 710, it is convenient for the user to pull out the plug 709 from the liquid inlet port on the liquid inlet pipe 708 during later use.

[0034] As a preferred embodiment, the number of thread grooves 712 is multiple groups, and the multiple groups of thread grooves 712 are distributed on the slide plate 711 at equal distances. Through the relationship between the thread grooves 712 and the slide plate 711, the adjusted position of the connecting plate 710 can be better positioned and reinforced during later use.

[0035] As a preferred embodiment, the shell 1 and the protective box 701 are fixedly connected, and the reinforcement plate 703 and the shell 1 are fixedly connected. Through the relationship between the reinforcement plate 703 and the shell 1, the fixation between the shell 1 and the protective box 701 can be better reinforced during later use.

[0036] The working process of this utility model is as follows:

[0037] First, place the vacuum dryer capable of low-temperature external furnace heating at the required position, with the support plate 5 in contact with the ground. Place the material to be processed in the shell 1 of the vacuum dryer through the feed port of the shell 1, with the feed port facing upward. Then, the user seals the feed port as a whole with the cover plate 4, and then starts the device to put the inside of the shell 1 in a vacuum state to heat the material. After the material is heated, the device is turned off. The material is not in a hurry to be transferred out. When it needs to be kept warm at low temperature inside the shell 1, the user pulls out the plug 709 from the liquid inlet on the liquid inlet pipe 708, and the user pours the heat transfer oil into the liquid inlet, thereby After entering the oil storage tank of the protective box 701, the user places both sides of the connecting plate 710 inside the slide plate 711 after the oil storage tank is full. At the same time, the plug 709 is inserted into the liquid inlet on the liquid inlet pipe 708 and pressed to lower it to the required position. The grooves inside the connecting plate 710 on both sides correspond to the threaded groove 712. Finally, the threaded column 713 is turned into the threaded groove 712 and passes through the groove. The user starts the power supply inside the control box 705 to start the heating component 706 to generate heat. The heat is conducted through the internal thermal oil, which can better insulate and heat the material. This is the working principle of the device.

[0038] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A vacuum dryer capable of being heated by a low-temperature external furnace, comprising a housing (1), characterized in that: The front end of the shell (1) is fixedly connected to a low-temperature heating mechanism (7), the low-temperature heating mechanism (7) comprises a protection box (701), a reinforcing plate (703) is fixedly connected to the upper side of one side of the protection box (701), a box body (702) is fixedly connected to the middle of the protection box (701), and a control box (705) is fixedly connected to the front end of the box body (702); A fixed column (707) is fixedly connected to one side of the interior of the box body (702), and a heating component (706) is fixedly connected to the other side of the fixed column (707). A liquid outlet (704) is fixedly connected to the lower side of one side of the box body (702). A liquid inlet pipe (708) is fixedly connected to the front end of the protection box (701). A plug column (709) is movably connected to the upper interior of the liquid inlet pipe (708). A connecting plate (710) is fixedly connected to the upper interior of the plug column (709). A threaded column (713) is movably connected to the inner side of one side of the connecting plate (710). The front end of the threaded column (713) is externally threadedly connected to a threaded groove (712), and the outside of the threaded groove (712) is fixedly connected to a slide plate (711).

2. A vacuum dryer capable of low-temperature external furnace heating according to claim 1, characterized in that: The bottom of the housing (1) is fixedly connected to a cover plate (4) via screws, and one side of the middle of the housing (1) is fixedly connected to a transmission shaft (2).

3. The vacuum dryer capable of low-temperature external furnace heating according to claim 2, characterized in that: The other side of the transmission shaft (2) is connected to a rotating assembly (3) via a coupling, a bottom of one side of the rotating assembly (3) is fixedly connected to a working box (6), and a bottom of the working box (6) is fixedly connected to a support plate (5).

4. The vacuum dryer capable of low-temperature external furnace heating according to claim 3, characterized in that: The working box (6) and the support plate (5) are connected by welding, and the housing (1) forms a rotating structure through the transmission shaft (2) and the rotating assembly (3).

5. The vacuum dryer capable of low-temperature external furnace heating according to claim 1, characterized in that: The chute plate (711) and the connecting plate (710) are in sliding connection, and the chute plate (711) and the liquid inlet pipe (708) are in fixed connection.

6. The vacuum dryer capable of low-temperature external furnace heating according to claim 1, characterized in that: The number of the thread grooves (712) is multiple groups, and the multiple groups of thread grooves (712) are distributed on the slide plate (711) at equal distances.

7. The vacuum dryer capable of low-temperature external furnace heating according to claim 1, characterized in that: The housing (1) and the protection box (701) are fixedly connected, and the reinforcement plate (703) and the housing (1) are fixedly connected.

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