Freeze-drying equipment for industrial trial production
By using a quartz glass observation mirror, a transparent conductive film, and a nano-silica anti-fog coating in the freeze-drying equipment, the problem of fogging on the observation window during the freeze-drying process was solved, enabling effective observation and sealing of the freeze-drying equipment and improving its practicality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QINGDAO BORUI EQUIP MFG CO LTD
- Filing Date
- 2025-06-10
- Publication Date
- 2026-05-08
AI Technical Summary
In traditional freeze-drying equipment, the temperature inside the freeze-drying chamber decreases during the freeze-drying process, causing fogging on the glass surface of the observation window and affecting the observation effect.
The system employs a quartz glass observation mirror, a transparent conductive film, and a nano-silica anti-fog coating, combined with a vacuum module and sealing gasket design, to ensure effective vacuuming of the freeze-drying chamber and anti-fog performance of the observation window.
It effectively prevents fogging of the observation window during freeze-drying, ensuring the observability and sealing performance of the freeze-drying process, and improving the practicality of the equipment.
Smart Images
Figure CN224215696U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of industrial freeze-drying equipment technology, and more particularly to a freeze-drying equipment for industrial pilot production. Background Technology
[0002] Freeze dryers originated from vacuum freeze-drying technology in the 1820s. Industrial freeze-drying technology is widely used in food, pharmaceuticals, biological products and other fields. Its core is to remove moisture from materials and retain active ingredients through vacuum freeze-drying.
[0003] Currently, in traditional freeze-drying equipment, the material inside the freeze-drying chamber is observed through an observation window during use. However, during the freeze-drying process, the temperature inside the freeze-drying chamber decreases, causing fogging to form on the glass mirror inside the observation window, thus affecting the observation. Utility Model Content
[0004] In view of the shortcomings of the prior art, this utility model provides a freeze-drying device for industrial pilot production, which overcomes the shortcomings of the prior art and aims to solve the problems in the background art.
[0005] To achieve the above objectives, this application adopts the following technical solution: an industrial pilot production freeze-drying device, comprising a base, a freeze-drying chamber fixedly connected to the top of the base, a vacuuming mechanism on one side of the freeze-drying chamber, a sealing door hinged to the surface of the freeze-drying chamber, a positioning mechanism on one side of the sealing door, a holding mechanism inside the freeze-drying chamber, and an anti-fogging mechanism on the top of the freeze-drying chamber. The anti-fogging mechanism includes a quartz glass observation mirror, which is fixedly connected to the freeze-drying chamber. A transparent conductive film is fixedly connected inside the quartz glass observation mirror, and an anti-fogging coating is fixedly connected to the surface of the quartz glass observation mirror.
[0006] In a preferred embodiment, the vacuuming mechanism includes a delivery pipe, which is fixedly connected to the freeze-drying chamber. A vacuum module is fixedly connected to the end of the delivery pipe away from the freeze-drying chamber. The vacuum module is composed of a Roots pump and an oil diffusion pump connected in series.
[0007] By adopting the above technical solution, the vacuum module is connected to the freeze-drying chamber through a delivery pipe, and then the vacuum module evacuates the freeze-drying chamber, which can better evacuate the freeze-drying chamber.
[0008] In a preferred embodiment, a sealing gasket is provided between the sealing door and the freeze-drying chamber, and the sealing gasket is fixedly connected to the sealing door. The sealing gasket is a rubber component.
[0009] By adopting the above technical solution, a sealing gasket is installed between the sealing door and the freeze-drying chamber, and the sealing performance between the sealing door and the freeze-drying chamber is enhanced by the sealing gasket. This can better enhance the sealing performance between the sealing door and the freeze-drying chamber.
[0010] In a preferred embodiment, the anti-fog coating is a nano-silica film.
[0011] By adopting the above technical solution, the anti-fog coating is a nano-silica film, which prevents fogging from forming on the surface of the quartz glass observation mirror, thus better preventing fogging from forming on the surface of the quartz glass observation mirror.
[0012] In a preferred embodiment, the positioning mechanism includes an insert block, which is fixedly connected to a sealing door. A fixing frame is slidably connected to the outer surface of the insert block, and the fixing frame is fixedly connected to a freeze-drying chamber. A positioning rod is slidably connected inside the fixing frame, and a spring is sleeved on the outside of the positioning rod.
[0013] By adopting the above technical solution, the sealing door can be better fixed by inserting the plug into the inside of the fixing frame to fix the sealing door, then the positioning rod is supported by the spring, and then the positioning rod is inserted into the inside of the plug to position the plug.
[0014] In a preferred embodiment, the holding mechanism includes a support frame that is slidably connected to the freeze-drying chamber. A support plate is fixedly connected to the surface of the support frame, and a through hole is formed on the surface of the support plate.
[0015] By adopting the above technical solution, the support plate is supported by the support frame, and the material is placed on the support plate, which can better hold the material.
[0016] In a preferred embodiment, the inner wall of the freeze-drying chamber is fixedly connected to an insulation layer, which is a rock wool component. An LED cold light source array is fixedly connected inside the freeze-drying chamber, and a controller is fixedly connected to the surface of the base. The LED cold light source array is electrically connected to the controller.
[0017] By adopting the above technical solution, an insulation layer is fixedly connected to the inner wall of the freeze-drying chamber, which enhances the insulation performance of the freeze-drying chamber. An LED cold light source array illuminates the interior of the freeze-drying chamber, and the controller controls the switching of the LED cold light source array, which allows for better control of the switching of the LED cold light source array.
[0018] The beneficial effects of this application are:
[0019] 1. This industrial pilot-scale freeze-drying equipment, by incorporating an anti-fog coating, a quartz glass observation mirror, and a transparent conductive film, allows for convenient observation of the interior of the freeze-drying chamber through the quartz glass observation mirror. The anti-fog coating prevents fogging on the surface of the quartz glass observation mirror, and the transparent conductive film, when energized, heats the quartz glass observation mirror, further preventing fogging. This avoids the problem of fogging on the glass surface during the freeze-drying process in traditional freeze-drying equipment, which affects observation and improves practicality.
[0020] 2. This freeze-drying equipment for industrial pilot production uses a positioning rod, a fixing frame, a spring, and an insert block. The sealing door is fixed by inserting the insert block into the fixing frame, and the positioning rod is supported by the spring. The positioning rod is then inserted into the insert block to position it. This avoids the problem of traditional freeze-drying equipment being unable to quickly fix the sealing door, thus improving its practicality. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the front structure of this application;
[0022] Figure 2 This is a schematic diagram of the holding mechanism structure of this application;
[0023] Figure 3 This is a schematic diagram of the anti-fogging mechanism structure of this application;
[0024] Figure 4 This is a schematic diagram of the positioning mechanism structure of this application.
[0025] The following are the labels in the diagram: 1. Base; 2. Vacuuming mechanism; 21. Vacuum module; 22. Conveying pipe; 3. Container mechanism; 31. Support frame; 32. Support plate; 33. Through hole; 4. Anti-fogging mechanism; 41. Anti-fogging coating; 42. Quartz glass observation mirror; 43. Transparent conductive film; 5. Positioning mechanism; 51. Positioning rod; 52. Fixing frame; 53. Spring; 54. Insert block; 6. Freeze-drying chamber; 7. Sealed door; 8. Insulation layer; 9. LED cold light source array; 10. Controller. Detailed Implementation
[0026] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.
[0027] Reference Figures 1-4An industrial pilot freeze-drying device includes a base 1, a freeze-drying chamber 6 fixedly connected to the top of the base 1, a vacuuming mechanism 2 on one side of the freeze-drying chamber 6, a sealing door 7 hinged to the surface of the freeze-drying chamber 6, a positioning mechanism 5 on one side of the sealing door 7, a holding mechanism 3 inside the freeze-drying chamber 6, and an anti-fogging mechanism 4 on the top of the freeze-drying chamber 6. The anti-fogging mechanism 4 includes a quartz glass observation mirror 42, which is fixedly connected to the freeze-drying chamber 6. A transparent conductive film 43 is fixedly connected inside the quartz glass observation mirror 42, and an anti-fogging coating 41 is fixedly connected to the surface of the quartz glass observation mirror 42.
[0028] Reference Figure 1 The vacuuming mechanism 2 includes a delivery pipe 22, which is fixedly connected to the freeze-drying chamber 6. A vacuum module 21 is fixedly connected to the end of the delivery pipe 22 away from the freeze-drying chamber 6. The vacuum module 21 is composed of a Roots pump and an oil diffusion pump connected in series. The vacuum module 21 is connected to the freeze-drying chamber 6 through the delivery pipe 22, and then the vacuum module 21 evacuates the freeze-drying chamber 6, which can better evacuate the freeze-drying chamber 6.
[0029] Reference Figure 2 A sealing gasket is provided between the sealing door 7 and the freeze-drying chamber 6. The sealing gasket is fixedly connected to the sealing door 7 and is a rubber component. By providing a sealing gasket between the sealing door 7 and the freeze-drying chamber 6, and further enhancing the sealing performance between the sealing door 7 and the freeze-drying chamber 6, the sealing performance between the sealing door 7 and the freeze-drying chamber 6 can be better enhanced.
[0030] Reference Figure 3 The anti-fog coating 41 is a nano-silica coating. By using the nano-silica coating 41, fogging can be prevented from forming on the surface of the quartz glass observation mirror 42, thus better preventing fogging from forming on the surface of the quartz glass observation mirror 42.
[0031] Reference Figure 4 The positioning mechanism 5 includes an insert block 54, which is fixedly connected to the sealing door 7. A fixing frame 52 is slidably connected to the outer surface of the insert block 54. The fixing frame 52 is fixedly connected to the freeze-drying chamber 6. A positioning rod 51 is slidably connected inside the fixing frame 52. A spring 53 is sleeved on the outside of the positioning rod 51. By inserting the insert block 54 into the inside of the fixing frame 52 to fix the sealing door 7, and then supporting the positioning rod 51 with the spring 53, and then inserting the positioning rod 51 into the inside of the insert block 54 to position the insert block 54, the sealing door 7 can be better fixed.
[0032] Reference Figures 2-3The holding mechanism 3 includes a support frame 31, which is slidably connected to the freeze-drying chamber 6. A support plate 32 is fixedly connected to the surface of the support frame 31, and a through hole 33 is opened on the surface of the support plate 32. The support frame 31 supports the support plate 32, and the support plate 32 holds the material, which can better hold the material.
[0033] Reference Figures 1-3 The inner wall of the freeze-drying chamber 6 is fixedly connected to an insulation layer 8, which is a rock wool component. An LED cold light source array 9 is fixedly connected inside the freeze-drying chamber 6. A controller 10 is fixedly connected to the surface of the base 1. The LED cold light source array 9 is electrically connected to the controller 10. The insulation layer 8 is fixedly connected to the inner wall of the freeze-drying chamber 6, which enhances the insulation performance of the freeze-drying chamber 6. The LED cold light source array 9 illuminates the interior of the freeze-drying chamber 6. The controller 10 controls the switching of the LED cold light source array 9, which allows for better control of the switching of the LED cold light source array 9.
[0034] Working principle: By opening the sealing door 7, the material is placed on the surface of the support plate 32, and then the support frame 31 fixes the support plate 32. Then, by closing the sealing door 7, the insert block 54 is inserted into the fixed frame 52 to fix the sealing door 7. Then, the spring 53 supports the positioning rod 51, and the positioning rod 51 is inserted into the insert block 54 to position the insert block 54. Then, the conveying pipe 22 connects the vacuum module 21 to the freeze-drying chamber 6, and the vacuum module 21 evacuates the freeze-drying chamber 6 to reduce the moisture of the material. Then, the quartz glass observation lens 42 facilitates the observation of the interior of the freeze-drying chamber 6. Then, the anti-fog coating 41 prevents fogging on the surface of the quartz glass observation lens 42. Then, the transparent conductive film 43 is energized to heat the quartz glass observation lens 42 to further prevent fogging.
[0035] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0036] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within 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.
[0037] The present invention has been described above with reference to specific embodiments. However, those skilled in the art should understand that these descriptions are exemplary and not intended to limit the scope of protection of the present invention. Those skilled in the art can make various modifications and variations to the present invention based on its spirit and principles, and these modifications and variations are also within the scope of the present invention.
Claims
1. A freeze-drying device for industrial pilot production, comprising a base (1), characterized in that, The top of the base (1) is fixedly connected to a freeze-drying chamber (6). A vacuuming mechanism (2) is provided on one side of the freeze-drying chamber (6). A sealing door (7) is hinged to the surface of the freeze-drying chamber (6). A positioning mechanism (5) is provided on one side of the sealing door (7). A holding mechanism (3) is provided inside the freeze-drying chamber (6). An anti-fogging mechanism (4) is provided on the top of the freeze-drying chamber (6). The anti-fogging mechanism (4) includes a quartz glass observation mirror (42). The quartz glass observation mirror (42) is fixedly connected to the freeze-drying chamber (6). A transparent conductive film (43) is fixedly connected inside the quartz glass observation mirror (42). An anti-fogging coating (41) is fixedly connected to the surface of the quartz glass observation mirror (42).
2. The freeze-drying equipment for industrial pilot production according to claim 1, characterized in that, The vacuum pumping mechanism (2) includes a delivery pipe (22), which is fixedly connected to the freeze-drying chamber (6). A vacuum module (21) is fixedly connected to one end of the delivery pipe (22) away from the freeze-drying chamber (6). The vacuum module (21) is composed of a Roots pump and an oil diffusion pump connected in series.
3. The freeze-drying equipment for industrial pilot production according to claim 1, characterized in that, A sealing gasket is provided between the sealing door (7) and the freeze-drying chamber (6), and the sealing gasket is fixedly connected to the sealing door (7). The sealing gasket is a rubber component.
4. The freeze-drying equipment for industrial pilot production according to claim 1, characterized in that, The anti-fog coating (41) is a nano-silica coating.
5. The freeze-drying equipment for industrial pilot production according to claim 1, characterized in that, The positioning mechanism (5) includes a plug (54), which is fixedly connected to the sealing door (7). A fixing frame (52) is slidably connected to the outer surface of the plug (54). The fixing frame (52) is fixedly connected to the freeze-drying chamber (6). A positioning rod (51) is slidably connected inside the fixing frame (52). A spring (53) is sleeved on the outside of the positioning rod (51).
6. The freeze-drying equipment for industrial pilot production according to claim 1, characterized in that, The holding mechanism (3) includes a support frame (31), which is slidably connected to the freeze-drying chamber (6). A support plate (32) is fixedly connected to the surface of the support frame (31), and a through hole (33) is opened on the surface of the support plate (32).
7. The freeze-drying equipment for industrial pilot production according to claim 1, characterized in that, The inner wall of the freeze-drying chamber (6) is fixedly connected to an insulation layer (8), which is a rock wool component. An LED cold light source array (9) is fixedly connected inside the freeze-drying chamber (6). A controller (10) is fixedly connected to the surface of the base (1). The LED cold light source array (9) is electrically connected to the controller (10).