Museum-specific constant humidity storage cabinet (Precautions for use of museum-specific constant humidity storage cabinet)

Author:DG Display Showcase Manufacturers& Suppliers - 25 Years DG Master of Custom Showcase Display

The museum-specific constant humidity storage cabinet refers to a professional storage cabinet with constant humidity control function. It is usually used to preserve high-value items such as precious cultural relics, artworks, animal and plant specimens in museums. Its main function is to keep items under constant humidity conditions and prevent quality changes due to humidity changes, thereby protecting the integrity and value of cultural relics. The following will introduce the structure, principle, characteristics and usage precautions. 1. Structure: Museum-specific constant humidity storage cabinets usually adopt a fully enclosed structure. Their appearance is similar to that of ordinary storage cabinets, but they have a complete humidity control system inside. The system includes the following parts: Humidity device: usually an adsorption or condensation humidistat is used to maintain constant humidity in the storage cabinet. The design of the constant humidity device should take into account the humidity range, humidity adjustment accuracy, air exchange and other factors to ensure that the humidity of the items in the storage cabinet is controlled. Circulation fan: The circulation fan circulates the air in the storage cabinet to ensure uniform humidity distribution. It can also reduce the humidity gradient and prevent excessive humidity differences between items. Filter device: A filter device is installed at the air inlet of the circulation fan to purify the air in the storage cabinet and prevent pollutants from entering the storage cabinet and causing damage to items. Temperature control device: The temperature inside the storage cabinet should also be kept constant, generally between 18 and 25°C. Therefore, the storage cabinet also needs to be equipped with a temperature control device to ensure that items are not affected by temperature fluctuations. 2. Principle The museum-specific constant humidity storage cabinet mainly controls the relative humidity in the storage cabinet through a humidistat. There are usually two working principles of humidistats, one is an adsorption humidistat and the other is a condensing humidistat. Adsorption humidistat: Adsorption humidistat uses humidity adsorbents, such as silica gel, calcium chloride, etc. When the humidity in the air is too high, the adsorbent will absorb the moisture in the air, thereby reducing the humidity in the air. humidity. When the humidity drops below the set value, the adsorbent releases the absorbed moisture, thereby increasing the humidity in the air to maintain constant humidity conditions in the storage cabinet. Condensing humidistat: The condensing humidistat uses refrigeration technology to cool the air in the storage cabinet below the dew point, causing the moisture in the air to condense into water droplets, and then release the moisture into the air again through the evaporator, thereby controlling humidity. Compared with adsorption humidistats, condensing humidistats have higher control accuracy, but the cost is also higher. Inside the storage cabinet, a circulation fan circulates the air so that the air humidity in the storage cabinet is evenly distributed. At the same time, the filter device in the storage cabinet can also filter out dust, bacteria and other harmful substances in the air to ensure a clean environment inside the storage cabinet. 3. Features The museum-specific constant humidity storage cabinet has the following characteristics: Constant humidity: The humidistat in the storage cabinet can accurately control the humidity to ensure that the items in the storage cabinet are stored at constant humidity to prevent damage caused by changes in humidity. Item quality changes. Uniform distribution: The circulation fan can circulate the air in the storage cabinet to make the humidity in the storage cabinet evenly distributed and prevent the humidity difference between items from being too large. Safe and reliable: The filter device can filter out dust, bacteria and other harmful substances in the air, ensuring a clean environment inside the storage cabinet and protecting the safety and reliability of items. Energy saving and environmental protection: Museum-specific constant humidity storage cabinets usually use energy-saving technology, which can effectively reduce energy consumption and reduce the impact on the environment. 4. Precautions for use When using a museum-specific constant humidity storage cabinet, you need to pay attention to the following points: Maintenance of the constant humidity device: The constant humidity device requires regular maintenance to ensure its normal operation. If the humidity control device fails, it should be repaired or replaced immediately. Avoid frequently opening storage cabinets: Frequent opening of storage cabinets will cause changes in temperature and humidity within the storage cabinet, thus affecting the quality of items being stored. Therefore, the number of times the storage cabinet is opened should be minimized, and if necessary, the required items can be prepared before opening. Control the relative humidity range: Although museum-specific humidity storage cabinets can control humidity, not all items are suitable for storage at the same humidity. Therefore, when choosing a storage cabinet, you need to choose a suitable relative humidity range based on the characteristics and requirements of the items. Regularly check the status of items: The items in the storage cabinet need to be checked regularly to ensure the quality of storage. If items are found to have deteriorated or rotted, they should be dealt with promptly and recorded so that the cause can be further analyzed and measures taken. 5. Conclusion The museum-specific constant humidity storage cabinet is an important equipment for preserving precious cultural relics and collections in museums, cultural relics halls and other places. It can accurately control the humidity and temperature in the storage cabinet to protect the quality and safety of the items. When selecting and using a museum-specific constant humidity storage cabinet, you need to consider the characteristics and preservation requirements of the items, select suitable equipment, and pay attention to the maintenance and use of the equipment to ensure that the items are best preserved and protected.

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