Vacuum drying oven with high temperature and explosion-proof effect

Abstract

The utility model belongs to drying equipment technical field, specifically disclose a high temperature explosion -proof effect's vacuum drying box, including high temperature explosion -proof box body, the high temperature explosion -proof box body front is provided with the protective door, is provided with the adjustable storage rack in high temperature explosion -proof box body, is provided with the vacuum pumping element above high temperature explosion -proof box body, the high temperature explosion -proof box body includes stainless steel outer shell, stainless steel inner shell, stiffener, heat -insulating layer and stainless steel inner bag body, through multilayer stainless steel shell collocation stiffener in heat -insulating layer, atmospheric pressure is prevented under vacuum deformation, high temperature ceramic fiber cotton filled heat -insulating layer ensures that the outside wall temperature reaches the standard, overall explosion -proof, anti -deformation, prevent high temperature scalding, the adjustable storage rack includes the supporting plate, tray, positioning rod, screw rod and screw sleeve, and the adjustable storage rack supports multilayer spacing free adjustment, can satisfy the batch placement demand of different size, specification material.

Description

Technical Field

[0001] This utility model relates to the field of drying equipment technology, specifically a high-temperature explosion-proof vacuum drying oven. Background Technology

[0002] Drying ovens are divided into two main categories based on the type of material being dried: electric heating forced-air drying ovens and vacuum drying ovens. They are now widely used in industries such as chemical, electronic communications, plastics, cables, electroplating, hardware, automotive, optoelectronics, rubber products, molds, spraying, printing, medical, aerospace, and higher education.

[0003] To improve the high-temperature explosion-proof effect, existing vacuum drying ovens usually have a multi-layer design and are mainly made of stainless steel. For example, Chinese utility model patent with announcement number CN223283349U discloses a vacuum drying oven with high-temperature explosion-proof effect.

[0004] However, most vacuum drying ovens on the market currently require multiple trays to accommodate multiple layers of materials. However, these trays are mostly fixed directly inside the oven, making it difficult to adjust the space between each tray and meet the placement requirements of materials of different specifications. Utility Model Content

[0005] The purpose of this invention is to provide a high-temperature explosion-proof vacuum drying oven, which solves the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-temperature explosion-proof vacuum drying oven, comprising a high-temperature explosion-proof chamber body, a protective door on the front of the high-temperature explosion-proof chamber body, an adjustable shelf inside the high-temperature explosion-proof chamber body, and a vacuum pumping element at the top of the high-temperature explosion-proof chamber body. The design of the high-temperature explosion-proof chamber body can improve the high-temperature explosion-proof effect of the chamber body, the adjustable shelf has multiple layers and the spacing of each layer can be adjusted, which is suitable for the placement needs of materials of different specifications, and the vacuum pumping element is used for vacuuming operations.

[0007] The high-temperature explosion-proof enclosure includes a stainless steel outer shell, a stainless steel inner shell, reinforcing ribs, a heat insulation layer, and a stainless steel inner liner. The stainless steel inner shell is fixed inside the stainless steel outer shell. A heat insulation layer is provided between the stainless steel outer shell and the stainless steel inner shell, and several reinforcing ribs are fixed within the heat insulation layer. The stainless steel inner liner is fixed inside the stainless steel inner shell. By providing reinforcing ribs between the stainless steel outer shell and the stainless steel inner shell, atmospheric pressure is resisted, preventing deformation of the enclosure under high vacuum and improving the overall strength of the high-temperature explosion-proof enclosure. The heat insulation layer improves the heat insulation effect, and the stainless steel inner liner has a higher mechanical strength retention rate at high temperatures.

[0008] The adjustable shelf includes trays, pallets, positioning rods, screws, and threaded sleeves. Several trays are arranged vertically, each with a pallet in the center. Positioning rods and screws are located on the sides of the trays, passing through several connecting frames and fixed to a high-temperature explosion-proof enclosure. Each tray has a threaded sleeve rotatably connected to its top, and the sleeve is threadedly connected to the screw. Rotating the threaded sleeve moves the trays up and down, allowing for space adjustment between the pallets, which are used to hold materials.

[0009] As a preferred embodiment of this invention, the insulation layer is filled with high-temperature ceramic fiber cotton to ensure that the outer wall temperature remains below safety standards.

[0010] As a preferred embodiment of this invention, a heating tube is fixed inside the stainless steel inner liner. The heating tube is used to heat the interior of the high-temperature explosion-proof enclosure.

[0011] As a preferred embodiment of this invention, the protective door is provided with an observation window. The observation window is mainly for convenient observation of the interior of the high-temperature explosion-proof enclosure.

[0012] As a preferred embodiment of this invention, the threaded sleeve is provided with anti-slip protrusions on its outer side. The anti-slip protrusions facilitate the rotation of the threaded sleeve.

[0013] In a preferred embodiment of this invention, the output end of the vacuum pumping element passes through the high-temperature explosion-proof enclosure and is connected to a gas collecting hood. The vacuum pumping element, which can be a vacuum pump, can then be used to evacuate the interior of the high-temperature explosion-proof enclosure via the gas collecting hood.

[0014] Compared with the prior art, the beneficial effects of this utility model are: This invention utilizes a multi-layered stainless steel shell with reinforcing ribs within the insulation layer to resist atmospheric pressure and prevent deformation under vacuum. The insulation layer, filled with high-temperature ceramic fiber cotton, ensures the outer wall temperature meets standards, providing overall explosion-proof, deformation-proof, and high-temperature burn protection. The adjustable shelf supports freely adjustable spacing between multiple layers, meeting the batch placement needs of materials of different sizes and specifications, and offering high versatility. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the internal structure of this utility model; Figure 3 This is a partial cross-sectional view of the high-temperature explosion-proof enclosure of this utility model; Figure 4 This is a schematic diagram of the adjustable shelf structure of this utility model.

[0016] In the diagram: 1. High-temperature explosion-proof enclosure; 101. Stainless steel outer shell; 102. Stainless steel inner shell; 103. Reinforcing rib; 104. Heat insulation layer; 105. Stainless steel inner liner; 2. Protective door; 201. Observation window; 3. Adjustable shelf; 301. Tray; 302. Pallet; 303. Positioning rod; 304. Screw; 305. Threaded sleeve; 4. Vacuum pumping element; 401. Gas collection hood; 5. Heating tube. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] In the description of this utility model, it should be noted that the terms "vertical", "up", "down", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0019] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0020] Please see Figure 1-4 This utility model provides a technical solution: a high-temperature explosion-proof vacuum drying oven, comprising a high-temperature explosion-proof chamber 1, a protective door 2 on the front of the high-temperature explosion-proof chamber 1, an adjustable shelf 3 inside the high-temperature explosion-proof chamber 1, and a vacuum element 4 on the top of the high-temperature explosion-proof chamber 1. The design of the high-temperature explosion-proof chamber 1 can improve the high-temperature explosion-proof effect of the chamber. The adjustable shelf 3 has multiple layers, and the spacing of each layer can be adjusted to meet the placement needs of materials of different specifications. The vacuum element 4 is used for vacuuming operations.

[0021] The high-temperature explosion-proof enclosure 1 includes a stainless steel outer shell 101, a stainless steel inner shell 102, reinforcing ribs 103, a heat insulation layer 104, and a stainless steel inner liner 105. The stainless steel inner shell 102 is fixed inside the stainless steel outer shell 101. A heat insulation layer 104 is provided between the stainless steel outer shell 101 and the stainless steel inner shell 102, and several reinforcing ribs 103 are fixed inside the heat insulation layer 104. The stainless steel inner liner 105 is fixed inside the stainless steel inner shell 102. By providing reinforcing ribs 103 between the stainless steel outer shell 101 and the stainless steel inner shell 102, atmospheric pressure is resisted, preventing deformation of the enclosure under high vacuum and improving the overall strength of the high-temperature explosion-proof enclosure 1. The heat insulation layer 104 improves the heat insulation effect, and the stainless steel inner liner 105 has a higher mechanical strength retention rate at high temperatures.

[0022] The adjustable shelf 3 includes a tray 301, a pallet 302, a positioning rod 303, a screw 304, and a threaded sleeve 305. Several trays 301 are arranged vertically, with a pallet 302 in the center of each tray 301. The positioning rod 303 and screw 304 are respectively located on the sides of the trays 301, passing through several connecting frames and fixed to the high-temperature explosion-proof enclosure 1. A threaded sleeve 305 is rotatably connected above each tray 301, and the threaded sleeve 305 is threadedly connected to the screw 304. By rotating the threaded sleeve 305, the trays 301 move up and down, thus adjusting the space between the pallets 302, which are used to place materials.

[0023] Furthermore, the insulation layer 104 is filled with high-temperature ceramic fiber cotton to ensure that the outer wall temperature remains below safety standards.

[0024] Furthermore, a heating tube 5 is fixed inside the stainless steel inner liner 105. The heating tube 5 is used to heat the interior of the high-temperature explosion-proof enclosure 1.

[0025] Furthermore, the protective door 2 is provided with an observation window 201. The observation window 201 is mainly for convenient observation of the internal conditions of the high-temperature explosion-proof enclosure 1.

[0026] Furthermore, the threaded sleeve 305 is provided with anti-slip protrusions on its outer side. The anti-slip protrusions facilitate the rotation of the threaded sleeve 305.

[0027] Furthermore, the output end of the vacuum pumping element 4 passes through the high-temperature explosion-proof enclosure 1 and is connected to a gas collecting hood 401. The vacuum pumping element 4 can be used to evacuate the interior of the high-temperature explosion-proof enclosure 1 through the gas collecting hood 401. The vacuum pumping element 4 can be a vacuum pump. The vacuuming and heating principles are similar to those proposed in Chinese Utility Model Patent No. CN223283349U, therefore, they will not be described in detail here.

[0028] In summary, by opening the protective door 2, materials can be placed on the pallet 302. When it is necessary to adjust the spacing between the pallets 302, simply rotate the threaded sleeve 305 with anti-slip protrusions. Through the threaded transmission, the pallet 301 will move up and down along the positioning rod 303 to adjust the spacing between the multi-layer pallets 302 and adapt to the placement requirements of materials of different specifications.

[0029] Then, close the protective door 2 and activate the vacuum element 4 to extract air from the high-temperature explosion-proof chamber 1 through the gas collection hood 401, creating a vacuum environment. The heating tube 5 inside the stainless steel inner liner 105 is used to raise the temperature, which, combined with the vacuum environment, accelerates the evaporation of moisture from the material, achieving a drying effect. The drying status of the material inside the chamber can be monitored in real time through the observation window 201 on the protective door 2.

[0030] It is worth noting that the entire device is controlled by a master control button. Since the device matched with the control button is a common device and belongs to existing mature technology, its electrical connection relationship and specific circuit structure will not be described in detail here.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vacuum drying oven with high-temperature explosion-proof effect, characterized in that: It includes a high-temperature explosion-proof enclosure (1), a protective door (2) is provided on the front of the high-temperature explosion-proof enclosure (1), an adjustable shelf (3) is provided inside the high-temperature explosion-proof enclosure (1), and a vacuum element (4) is provided on the top of the high-temperature explosion-proof enclosure (1). The high-temperature explosion-proof enclosure (1) includes a stainless steel outer shell (101), a stainless steel inner shell (102), reinforcing ribs (103), a heat insulation layer (104), and a stainless steel inner liner (105). The stainless steel inner shell (102) is fixed inside the stainless steel outer shell (101). A heat insulation layer (104) is provided between the stainless steel outer shell (101) and the stainless steel inner shell (102), and several reinforcing ribs (103) are fixed inside the heat insulation layer (104). The stainless steel inner liner (105) is fixed inside the stainless steel inner shell (102). The adjustable shelf (3) includes a tray (301), a pallet (302), a positioning rod (303), a screw (304), and a threaded sleeve (305). Several trays (301) are provided, and the trays (301) are distributed in a vertical direction. Each tray (301) has a pallet (302) in the middle. The positioning rod (303) and the screw (304) are respectively provided on the side of the tray (301). The positioning rod (303) and the screw (304) pass through several connecting frames and are fixed on the high temperature explosion-proof box (1). Each tray (301) is rotatably connected to the top of a threaded sleeve (305), and the threaded sleeve (305) is threadedly connected to the screw (304).

2. The high-temperature explosion-proof vacuum drying oven according to claim 1, characterized in that: The insulation layer (104) is filled with high-temperature ceramic fiber cotton.

3. The high-temperature explosion-proof vacuum drying oven according to claim 1, characterized in that: A heating tube (5) is fixed inside the stainless steel inner liner (105).

4. The high-temperature explosion-proof vacuum drying oven according to claim 1, characterized in that: The protective door (2) is provided with an observation window (201).

5. A high-temperature explosion-proof vacuum drying oven according to claim 1, characterized in that: The threaded sleeve (305) has anti-slip protrusions on its outer side.

6. The high-temperature explosion-proof vacuum drying oven according to claim 1, characterized in that: The output end of the vacuum pumping element (4) passes through the high-temperature explosion-proof enclosure (1) and is connected to a gas collection hood (401).

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