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How to monitor and manage the temperature and humidity of the warehouse —— [Xinxin Wulian]

来自: 成都鑫芯电子科技有限公司 浏览次数:2561 2016-10-19From : Chengdu Xinxin Electronic Technology Co., Ltd.

The requirements for the temperature and humidity of goods and food storage are relatively high. This requires us to do a good job of warehouse temperature and humidity management. To do a good job of warehouse temperature and humidity management, we must first grasp the basic concepts of air temperature and humidity and related basic knowledge.

Air temperature: Air temperature refers to the degree of hot and cold air. Generally speaking, the closer the ground is, the higher the temperature, and the farther away from the ground, the lower the temperature. In the daily temperature management of the warehouse, it is often expressed in degrees Celsius. For every degree below 0 degrees, add a "-" before the degree, which means how many degrees below zero.

Air humidity: Air humidity refers to the amount of water vapor in the air or the degree of air humidity. Represents air humidity. There are three main expressions: relative humidity, humidity, and exposure.

仓库温湿度传感器

Temperature and humidity sensors are usually used to measure the temperature and humidity of the air in the warehouse. In the warehouse, the temperature and humidity sensor should be placed in a place where the air is ventilated and not exposed to sunlight, and the hanging height is in the center of the entire room to monitor the density. The temperature and humidity data in the library need to be observed regularly every day, usually from 8 am to 10 am and once from 2 to 4 pm. The data monitored by the temperature and humidity monitoring system should be properly stored, analyzed regularly, and the rules should be found out in order to grasp the temperature and humidity rules of commodity storage.

If a temperature and humidity sensor is installed outside the library to monitor the temperature and humidity outside the library and the temperature and humidity inside the library are compared, in order to avoid the invasion of sunlight, rain and dust, the temperature and humidity sensor should be placed in a louver. The door of the louver should be placed facing north to prevent direct sunlight when observing. The inside of the box should be kept clean and free of debris to avoid air circulation.

In order to maintain the quality of the stored goods in good condition and create an environment suitable for the storage of the goods, when the temperature and humidity in the storehouse are suitable for the storage of goods, we must try to prevent the adverse effect of the climate outside the storehouse on the storehouse; when the temperature and humidity in the storehouse are not suitable for the storage of goods It is necessary to take effective measures in time to adjust the temperature and humidity in the library. The combination of sealing, ventilation and moisture absorption is often an effective way to control and regulate the temperature and humidity in the warehouse.

仓库温室度监控系统

Sealing is to seal the goods as tightly as possible to reduce the impact of external adverse weather conditions in order to achieve the purpose of safe storage. The sealing method should be used in combination with ventilation and moisture absorption. If it is used properly, it can receive many effects such as moisture resistance, mildew resistance, heat resistance, melting resistance, dry crack resistance, freeze protection, rust resistance, and insect resistance. Matters needing attention in sealed storage are: check the quality, temperature and moisture content of the goods before sealing. If mold, mold, insect, fever, water leeches and other phenomena are found, they cannot be sealed.

It is found that the moisture content of the product exceeds the safe range or the packaging material is too humid, and it is not suitable to be sealed. The sealing time should be determined according to the performance and climatic conditions of the product. Products that are afraid of moisture, melting, and mildew should be sealed at a time when the relative humidity is low. Commonly used sealing materials are plastic films, moisture-proof paper, linoleum, and reed mats. These sealing materials must be dry and clean without odor. Commonly used methods for sealing include whole warehouse sealing, cell sealing, stack sealing, shelf sealing, and piece sealing.

Ventilation is to use the air pressure difference formed by the temperature of the air inside and outside the storehouse to make the air inside and outside the storehouse convection to achieve the purpose of adjusting the temperature and humidity in the storehouse. The larger the temperature difference between the inside and outside of the warehouse, the faster the air flows; if there is wind outside the warehouse, the pressure of the wind can accelerate the convection of the air inside and outside the warehouse. But the wind cannot be too large (the wind is more than 5 levels, and there is more dust). Proper ventilation can not only adjust and improve the temperature and humidity in the warehouse, but also timely distribute excess moisture of goods and packaging. According to the purpose of ventilation, it can be divided into two types: using ventilation to reduce temperature (or increase temperature) and using ventilation to disperse tide.

In the rainy season or rainy days, when the humidity in the warehouse is too high, it is not suitable for storage of goods, and the humidity outside the warehouse is too high, and it is not suitable to ventilate and distribute the moisture. With the continuous development of the market economy, mechanical warehouses are commonly used in modern shopping malls and warehouses. Use the dehumidifier to draw the humid air in the depot through the exhaust fan and suck it into the dehumidifier cooler to make it condense into water and discharge. The dehumidifier is generally suitable for absorbing moisture and dispersing moisture in the warehouses where cotton cloth, needle cotton fabrics, precious department stores, medicine, instruments, electrical equipment and tobacco and sugar are stored.

In autumn, the rainy season is floating, I hope that our customers can do a good job of monitoring and controlling the temperature and humidity of their warehouses, and actively use the warehouse temperature and humidity monitoring system to help complete the monitoring of temperature and humidity in the environment.


October 19, 2016

Chengdu Xinxin Electronic Technology Co., Ltd. Editorial Department

Editor: Little Devil in Gourd

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