A drying apparatus for laboratory glassware

Abstract

The utility model belongs to the technical field of laboratory equipment, disclose a kind of drying device for laboratory glassware, including vacuum drying oven and control system, vacuum drying oven is equipped with vacuum interface, control system includes controller, and the drying device for laboratory glassware also includes atomization system and inert gas replacement system.Working, the organic solvent in organic solvent bottle is atomized and sprayed to wet glassware surface by ultrasonic atomizer, organic solvent and water form azeotrope, controller controls vacuum pump to extract gas in vacuum drying oven, so that azeotrope rapidly gasifies under low pressure environment, then control inert gas bottle fills inert gas and extracts vacuum again, azeotrope and organic solvent are taken out completely, realize the rapid, efficient, water stainless drying of glassware under room temperature environment, compared with traditional electric heating oven, with the remarkable advantages of energy saving, high efficiency, safety.

Description

Technical Field

[0001] This utility model relates to the field of laboratory equipment technology, and in particular to a drying device for laboratory glassware. Background Technology

[0002] In laboratories of chemistry, biology, and medicine, glassware (such as beakers, volumetric flasks, pipettes, and glass rods) needs to be thoroughly cleaned and dried after use. The traditional drying method involves placing the glassware, washed with deionized water, into an electric drying oven and heating it at 100°C to 120°C for several hours. This method has the following significant drawbacks: High energy consumption and long drying time: Heating a large number of glasswares and maintaining a high temperature requires a large amount of electricity, and the drying process is slow and inefficient, making it difficult to meet the needs of high-throughput experiments requiring rapid glassware turnover. Safety hazards: High-temperature ovens pose a risk of burns, and if there are residual organic solvents on the glassware, it may cause combustion or explosion. Water stains are easily formed: In areas with hard water, trace metal ions in the water may remain after evaporation, forming water stains and affecting experimental accuracy. Unsuitable for heat-sensitive materials: Some plastic glassware or glassware with precise graduations is not suitable for prolonged high-temperature heating.

[0003] Therefore, there is an urgent need to develop a drying device for laboratory glassware to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a drying device for laboratory glassware, so as to achieve rapid, water-free, and efficient drying of glassware at low temperatures or even room temperature.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] A drying apparatus for laboratory glassware includes a vacuum drying oven and a control system. The vacuum drying oven is equipped with a vacuum interface, and the control system includes a controller. The drying apparatus for laboratory glassware also includes:

[0007] The atomization system includes an ultrasonic atomizer and an organic solvent bottle. The ultrasonic atomizer is installed in a vacuum drying oven and is connected to a controller. The organic solvent bottle contains organic solvent, and its outlet is connected to the inlet of the ultrasonic atomizer. The outlet of the ultrasonic atomizer faces the glass container.

[0008] The inert gas replacement system includes a vacuum pump and an inert gas cylinder. The inlet of the vacuum pump and the outlet of the inert gas cylinder are connected to a vacuum interface, and both the vacuum pump and the inert gas cylinder are connected to the controller signal.

[0009] Preferably, the control system also includes a pressure sensor and a temperature sensor, both of which are connected to the controller signal, and the detection ends of the pressure sensor and temperature sensor are inserted into the vacuum drying oven.

[0010] Preferably, the control system also includes a display, which is mounted on the outer surface of the vacuum drying oven, and the pressure sensor and temperature sensor are both communicatively connected to the display.

[0011] Preferably, the vacuum drying oven is equipped with a heating element, which is connected to the controller signal.

[0012] Preferably, the vacuum drying oven includes a door and a body, with the door hinged to the body and a glass window on the door.

[0013] Preferably, the drying device for laboratory glassware also includes a pressure relief valve, which is fixed to the side wall of the chamber and the inlet of the pressure relief valve is located inside the chamber.

[0014] Preferably, the inert gas replacement system also includes a gas pipeline, one end of which is connected to a vacuum interface, and the other end of which is connected to the inlet of the vacuum pump and the outlet of the inert gas cylinder, respectively.

[0015] Preferably, the inert gas replacement system also includes a pressure reducing valve, which is installed on the gas pipeline. The inert gas cylinder is connected to the vacuum interface through the pressure reducing valve, and the pressure reducing valve is connected to the controller signal.

[0016] Preferably, the atomization system also includes a liquid pipeline, one end of which is inserted into an organic solvent bottle, and the other end of which is connected to the inlet of the ultrasonic atomizer.

[0017] Preferably, the controller is a programmable controller.

[0018] The beneficial effects of this utility model are:

[0019] This invention provides a drying device for laboratory glassware, including a vacuum drying oven and a control system. The vacuum drying oven is equipped with a vacuum interface, and the control system includes a controller. The drying device for laboratory glassware also includes an atomization system and an inert gas replacement system. The atomization system includes an ultrasonic atomizer and an organic solvent bottle, and the inert gas replacement system includes a vacuum pump and an inert gas bottle. During operation, the organic solvent in the organic solvent bottle is atomized by the ultrasonic atomizer and sprayed onto the surface of the wet glassware. The organic solvent and water form an azeotrope. The controller controls the vacuum pump to extract gas from the vacuum drying oven, causing the azeotrope to rapidly vaporize under low pressure. Then, the inert gas bottle is filled with inert gas and the vacuum is drawn again to completely remove the azeotrope and organic solvent. This achieves rapid, efficient, and water-free drying of glassware at room temperature. Compared with traditional electric drying ovens, it has significant advantages in energy saving, high efficiency, and safety. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the drying device for laboratory glassware provided in this embodiment.

[0021] In the picture:

[0022] 10. Vacuum drying oven; 11. Oven door; 12. Oven body; 121. Vacuum interface; 21. Ultrasonic nebulizer; 22. Organic solvent bottle; 23. Liquid pipeline; 31. Vacuum pump; 32. Inert gas bottle; 33. Gas pipeline; 34. Pressure reducing valve; 41. Display; 50. Pressure relief valve. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0024] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0026] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, 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. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0027] This embodiment provides a drying device for laboratory glassware to achieve rapid, water-free, and efficient drying of glassware at low temperatures or even room temperature.

[0028] Specifically, such as Figure 1 As shown, a drying apparatus for laboratory glassware includes a vacuum drying oven 10 and a control system. The vacuum drying oven 10 is equipped with a vacuum interface 121. The control system includes a controller. The drying apparatus for laboratory glassware also includes an atomization system and an inert gas replacement system. The atomization system includes an ultrasonic atomizer 21 and an organic solvent bottle 22. The ultrasonic atomizer 21 is installed in the vacuum drying oven 10 and is signal-connected to the controller to control the spray volume of the ultrasonic atomizer 21. The organic solvent bottle 22 contains organic solvent, and its outlet is connected to the inlet of the ultrasonic atomizer 21. The outlet of the ultrasonic atomizer 21 is directly facing the glassware. The ultrasonic atomizer 21 atomizes the organic solvent into fine particles, increasing the contact area with water droplets on the surface of the glassware, quickly adsorbing moisture from the surface of the glassware, and efficiently improving the drying effect.

[0029] The inert gas replacement system includes a vacuum pump 31 and an inert gas cylinder 32. The inlet of the vacuum pump 31 and the outlet of the inert gas cylinder 32 are connected to the vacuum interface 121. Both the vacuum pump 31 and the inert gas cylinder 32 are connected to the controller signal. The controller controls the vacuum pump 31 to evacuate the vacuum drying oven 10 and controls the inert gas cylinder 32 to fill with inert gas. The controller precisely coordinates the start, stop and operation parameters of both, so as to achieve orderly connection between the vacuum evacuation and inert gas filling in the vacuum drying oven 10, avoid water vapor residue from affecting the drying effect of glassware, and ensure the automation, accuracy and stability of the drying process.

[0030] During operation, the organic solvent in the organic solvent bottle 22 is atomized by the ultrasonic atomizer 21 and sprayed onto the surface of the wet glassware. The organic solvent and water form an azeotrope. The controller controls the vacuum pump 31 to extract gas from the vacuum drying oven 10, causing the azeotrope to rapidly vaporize under low pressure. Then, the inert gas bottle 32 is filled with inert gas and a vacuum is drawn again to completely remove the azeotrope and organic solvent. This achieves rapid, efficient, and water-stain-free drying of glassware at room temperature, offering significant advantages in energy saving, high efficiency, and safety compared to traditional electric drying ovens. In this embodiment, the inert gas is nitrogen; in other embodiments, the inert gas can also be argon. In this embodiment, the organic solvent is alcohol; in other embodiments, the organic solvent can also be ethyl acetate or toluene, etc.

[0031] Furthermore, the control system also includes pressure sensors and temperature sensors, both of which are connected to the controller signal. The detection ends of the pressure sensors and temperature sensors are inserted into the vacuum drying oven 10 to collect pressure and temperature data inside the oven in real time and feed them back to the controller. This provides a precise basis for adjusting the drying process parameters, ensures that the drying process is carried out stably under the set operating conditions, and improves the drying effect and product quality.

[0032] Furthermore, the control system also includes a display 41, which is installed on the outer surface of the vacuum drying oven 10 for easy real-time monitoring by the operator. The pressure sensor and temperature sensor are both connected to the display 41 for communication, so that the pressure and temperature data collected in real time inside the vacuum drying oven 10 can be displayed intuitively on the display 41. This allows the operator to monitor the drying conditions in real time, adjust parameters in a timely manner, and ensure that the drying process is accurate and controllable and the product quality is stable.

[0033] Furthermore, the vacuum drying oven 10 is equipped with a heating element to provide the heat required for drying, raising the temperature inside the oven to accelerate the evaporation of moisture from the glassware surface. Combined with the vacuum environment, this enhances the drying rate, ensuring the materials quickly achieve the target drying effect without affecting their quality. The heating element is connected to a controller, which precisely regulates its start / stop, heating power, and temperature, keeping the temperature inside the vacuum drying oven 10 stable within the set range. This ensures precise and controllable drying process while preventing excessively high temperatures from damaging the materials or affecting the drying effect.

[0034] Optionally, the vacuum drying oven 10 includes a door 11 and a body 12. The door 11 is hinged to the body 12. Opening the door 11 facilitates the loading and unloading of glassware. The door 11 is provided with a glass window, through which the operator can observe the drying status of the glassware inside the vacuum drying oven 10 in real time without opening the door 11. This avoids damaging the vacuum environment and affecting the drying effect, thus improving the ease of operation and process controllability.

[0035] Furthermore, the drying device for laboratory glassware also includes a pressure relief valve 50, which is fixed to the side wall of the chamber 12 and has its inlet located inside the chamber 12. After drying, the vacuum pressure inside the chamber 12 is precisely released to atmospheric pressure, making it convenient and safe to open the chamber door 11 to take out and put in the glassware. At the same time, it avoids damage to the chamber 12 or the glassware from sudden pressure changes, ensuring operational safety and the integrity of the drying process.

[0036] Optionally, the inert gas replacement system also includes a gas pipeline 33, one end of which is connected to the vacuum interface 121, and the other end of which is connected to the inlet of the vacuum pump 31 and the outlet of the inert gas bottle 32, respectively, so as to realize the orderly switching between vacuum dehumidification and inert gas filling in the vacuum drying oven 10. In addition, the gas pipeline 33 extends the distance between the vacuum pump 31 and the inert gas bottle 32 and the vacuum drying oven 10, thereby improving the convenience of placing the vacuum pump 31 and the inert gas bottle 32.

[0037] Furthermore, the inert gas replacement system also includes a pressure reducing valve 34, which is installed on the gas pipeline 33. The inert gas cylinder 32 is connected to the vacuum interface 121 through the pressure reducing valve 34. The pressure reducing valve 34 is connected to the controller signal to control the pressure reducing valve 34 to adjust the amount of inert gas being filled, reducing the output pressure of the inert gas to a safe and stable range, avoiding high-pressure gas impacting the housing 12 or damaging components, and ensuring that the inert gas filling process is safe and controllable.

[0038] Optionally, the atomization system also includes a liquid pipeline 23, one end of which is inserted into the organic solvent bottle 22, and the other end of which is connected to the inlet of the ultrasonic atomizer 21. The liquid pipeline 23 stably delivers organic solvent to the ultrasonic atomizer 21, ensuring continuous liquid supply during the atomization process and allowing the atomization process to proceed smoothly and efficiently. In addition, the liquid pipeline 23 extends the distance between the organic solvent bottle 22 and the vacuum drying oven 10, improving the convenience of placing the organic solvent bottle 22.

[0039] Optionally, the controller is a programmable controller that can preset the "spray-vacuum-inert gas filling" cycle steps and control the ultrasonic atomizer 21, vacuum pump 31 and inert gas bottle 32 and other components to automatically execute the steps. It can flexibly set process parameters such as vacuum drying, atomization, temperature and pressure control and execute them automatically, so as to realize the fully automated operation of the equipment and improve the accuracy and efficiency of the operation.

[0040] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A drying apparatus for laboratory glassware, comprising a vacuum drying oven and a control system, characterized in that, The vacuum drying oven (10) is equipped with a vacuum interface (121), the control system includes a controller, and the drying device for laboratory glassware further includes: The atomization system includes an ultrasonic atomizer (21) and an organic solvent bottle (22). The ultrasonic atomizer (21) is installed in the vacuum drying oven (10) and is signal-connected to the controller. The organic solvent bottle (22) contains organic solvent, and the outlet of the organic solvent bottle (22) is connected to the inlet of the ultrasonic atomizer (21). The outlet of the ultrasonic atomizer (21) is directly opposite the glass container. The inert gas replacement system includes a vacuum pump (31) and an inert gas cylinder (32). The inlet of the vacuum pump (31) and the outlet of the inert gas cylinder (32) are respectively connected to the vacuum interface (121). Both the vacuum pump (31) and the inert gas cylinder (32) are connected to the controller signal.

2. The drying apparatus for laboratory glassware according to claim 1, characterized in that, The control system also includes a pressure sensor and a temperature sensor, both of which are connected to the controller. The detection ends of the pressure sensor and the temperature sensor are inserted into the vacuum drying oven (10).

3. The drying apparatus for laboratory glassware according to claim 2, characterized in that, The control system also includes a display (41), which is mounted on the outer surface of the vacuum drying oven (10). The pressure sensor and the temperature sensor are both connected to the display (41) in communication.

4. The drying apparatus for laboratory glassware according to claim 3, characterized in that, The vacuum drying oven (10) is equipped with a heating element, which is connected to the controller via a signal.

5. The drying apparatus for laboratory glassware according to claim 1, characterized in that, The vacuum drying oven (10) includes a door (11) and a body (12). The door (11) is hinged to the body (12), and the door (11) is provided with a glass window.

6. The drying apparatus for laboratory glassware according to claim 5, characterized in that, The drying device for laboratory glassware also includes a pressure relief valve (50), which is fixed to the side wall of the housing (12) and the inlet of the pressure relief valve (50) is located inside the housing (12).

7. The drying apparatus for laboratory glassware according to claim 1, characterized in that, The inert gas replacement system also includes a gas pipeline (33), one end of which is connected to the vacuum interface (121), and the other end of which is connected to the inlet of the vacuum pump (31) and the outlet of the inert gas cylinder (32).

8. The drying apparatus for laboratory glassware according to claim 7, characterized in that, The inert gas replacement system also includes a pressure reducing valve (34), which is installed on the gas pipeline (33). The inert gas cylinder (32) is connected to the vacuum interface (121) through the pressure reducing valve (34), and the pressure reducing valve (34) is connected to the controller signal.

9. The drying apparatus for laboratory glassware according to any one of claims 1-8, characterized in that, The atomization system also includes a liquid pipeline (23), one end of which is inserted into the organic solvent bottle (22), and the other end of which is connected to the inlet of the ultrasonic atomizer (21).

10. The drying apparatus for laboratory glassware according to any one of claims 1-8, characterized in that, The controller is a programmable controller.

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