Nowadays, 100,000-level dust-free workshops are becoming more and more common in purification projects, because it has a clean production space, which can improve product quality and meet the higher demands of consumers. So, what exactly does the 100,000-level dust-free workshop standard mean? What are its characteristics?
Standard 100,000 Class Dustless Workshop 1. The maximum number of dust particles allowed is equal to or greater than 0.5 micron. The number of particles must not exceed 3.5 million, and the number of particles greater than or equal to 5 micron must not exceed 20,000.
Dust particles are ubiquitous, generated by erosion and weathering, and are naturally emitted by the human body, countless, and seriously interfere with the production of electronic and optical products. In addition, dust particles are good carriers for bacteria and viruses, and they also affect food processing. The first task of the purification workshop project is "dust removal".
What is the concept of 0.5 microns? The diameter of a hair strand is about 70 to 100 microns, and the size of bacteria is about 1 to 2 microns. By purifying the air system, the number of particles greater than or equal to 5 microns must not exceed 20,000. The degree is very high.
Standard 100,000 Class Dustless Workshop Standard 2: The maximum allowable number of microorganisms, the number of planktonic bacteria shall not exceed 500 per cubic meter; the number of settled bacteria shall not exceed 10 per culture dish.
Microorganisms include bacteria, viruses, single-celled organisms, etc. The purification workshop project focuses on examining the two indicators of planktonic bacteria and sedimentary bacteria. When detecting sedimentary bacteria, a special Petri dish is required. Each petri dish contains specific nutrients. , Placed in the workshop for a period of time, according to the number of bacteria growing in the nutrients, you can measure the number of sedimentary bacteria in the air.
Standard 100,000 Class Dustless Workshop: Differential Pressure. The pressure difference between clean rooms of the same cleanliness level is the same. The pressure difference between adjacent clean rooms of different cleanliness levels must be ≥5Pa, and the clean room and non-clean rooms must be ≥10Pa. This is mainly to ensure that the air flows from the clean area to the non-clean area, and to avoid the backflow of airflow.
Standard 100,000 Class Dustless Workshop 4: Temperature and Humidity. The temperature is generally controlled at 20 ~ 22 ℃ in winter; 24 ~ 26 ℃ in summer; fluctuation ± 2 ℃. The humidity of clean room in winter is controlled at 30-50%, and the humidity of clean room in summer is controlled at 50-70%. When there are no special requirements for temperature and humidity, it is advisable to wear clean work clothes without producing a comfortable feeling.
Dongguan Lixiang Air Conditioning Purification Engineering Co., Ltd. Address: No. 1, Decheng Road, Hexi Industrial Zone, Jinxia, Chang'an Town, Dongguan, China Post Code: 523881
Contact: Mr. Tan Email: email@example.com
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