The basis for the selection of purification air conditioning and ventilation system in the construction laboratory_Industry News_News_sz-pharma1

There are usually two types of clean air-conditioning systems used in clean laboratories, one is centralized and the other is decentralized. The former is suitable for cluster-type, multi-room, multi-requirement, and multi-functional laboratory purification. The advantage is that it is easy to manage, away from noise, and reduces costs. The latter is suitable for small-scale laboratory purification or laboratories with separate characteristic requirements, and has the advantages of fine control and strong pertinence. When choosing a model, many people often consider capital and energy consumption to decide what type of air conditioner to choose. Before selecting a laboratory purification air-conditioning system, you must understand the purpose and experimental content of the purification laboratory, experimental instruments and equipment, and the specific matters of the air parameters and environmental requirements of the experimental object, and then put forward targeted laboratory purification standards. , the contents that should be considered include: the area of ​​the pharma machinery, the height of the floor, the total height of the laboratory and the height after the purification laboratory enclosure; the desired temperature, relative humidity, wind speed, static pressure, static pressure difference, etc.; Indoor requirements for cleanliness level, noise standards, sterility requirements, etc., after comprehensive consideration of these factors, put forward an appropriate capital requirements, so as to determine the specific form and type of air conditioning and ventilation systems. Many people don't know much about the concept of 'cleanness'. In fact, it needs to use a special process to isolate the free communication between air and the use space, and then use artificial methods to transport the air to the use space. Of course, it is necessary to transport fresh air here. It is also necessary to transport turbid wind. The so-called turbid wind is to transport the air in the use space to the outside world, and then make it clean and transport it back to the use space. The principle can be briefly illustrated by the following flow chart: air flow → primary air treatment → air conditioning → medium efficiency air treatment → fan supply air → purification pipeline → high-efficiency air supply port → clean room → dust removal → return air passage → fresh air , Primary air treatment. The air conditioning and ventilation system used in the clean laboratory is mainly composed of air treatment equipment, coarse and medium high-efficiency filters, air conveying facilities and local purification pharma machinery. These equipments are of different types and functions. One of the most important reasons for setting up a clean laboratory is to prevent the contamination of experimental instruments, experimental objects, and experimental processes by pollutants such as particles, harmful air, and bacteria in the air. Runde Purification has learned that, according to international practice, the level of pharma machinery purification engineering is mainly specified according to the number of particles per cubic meter of air whose diameter is greater than the division standard.

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