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What are the characteristics and applications of a constant temperature and humidity laboratory?
Category: Industry News
Constant temperature and humidity laboratory What are the classifications?
There are mainly four aspects.
1. Constant temperature and humidity laboratory decoration requires strict heat preservation and moisture-proof performance. It is recommended that the four sides of the laboratory use color steel composite panels, and the upper and lower ends use PE insulation boards for heat preservation and moisture-proof treatment. The perspective window needs a double vacuum glass window.
2. Laboratory air conditioning Laboratory air conditioning is the heart of temperature and humidity control, requiring high precision and low failure rate. Therefore, air conditioning is needed to adjust the cold air. There are already two methods on the market. One is variation. The other is the chilled water regulation method.
Variable frequency regulation: In fact, it changes the power of the compressor by changing the characteristics of the power supply. While the compressor performs low-load or overload work, it also adjusts the throttling of the cooling system, so many troublesome parts need to be added, and each part must be perfectly matched. Otherwise, a malfunction will occur. This is also the case in reality. The failure rate is very high.
Chilled water type device: Using about 7°C cold water as the cold source, the water flow can be easily adjusted by opening or reducing the electric valve, and the electric valve structure is as simple as a household faucet, so the failure rate is almost zero, and the control effect is the most stable. Reasonably calculate the room's heat and humidity load and air dew point, match the appropriate air volume, cooling capacity, heating, and humidification capacity, and adjust each component arbitrarily through PLC control. Select a linear sensor with high sensitivity, temperature 0.1, and humidity within 1%. This method needs to be calculated and matched according to the actual area and load of each laboratory. Therefore, if there is no standard prefabricated device, it is all user-defined processing. The disadvantage is that it usually uses a combined air conditioning unit combination ratio, so the floor area is relatively large.
3. Ventilation method
The ventilation method has gone through many historical stages, from the initial bottom air scraping, box-type air supply, upper-production machine air supply, to the most advanced upper air duct micro-porous ceiling air supply, and lower-layer ventilation. The air supply in the entire laboratory is soft and uniform, and the temperature and humidity control is very stable.
4. Fresh air system
The primary function of the fresh air system is to provide physiological fresh air for employees. It is also essential for the stability of the temperature and humidity in the laboratory. In order to prevent the laboratory from being disturbed by the outside world, fresh air must be provided to the laboratory. To maintain the laboratory pressure as positive, prevent outside air from entering the laboratory, and keep the temperature and humidity stable for a long time.
What are the characteristics and applications of constant temperature and humidity laboratories?
With the development of the modern social economy, the requirements for the temperature and humidity of the industrial production environment are getting higher and higher, and the field of constant temperature and humidity environmental control equipment is also becoming more and more extensive. Refrigeration components and electrical control components are designed in accordance with European industrial standards, with stable, efficient, and clear control functions.
Machines are widely used in various industries' workshops, exhibition halls, archives, and laboratories, professionally creating a precise constant temperature and humidity industrial air conditioning environment.
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