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Cost analysis of energy consumption in clean room


Cost analysis of energy consumption in clean room:


"According to incomplete statistics, the energy consumption of clean rooms is 10-30 times that of general office buildings. In China's 8-inch integrated circuit chip manufacturing plants, the energy consumption per unit area of clean rooms reaches 1.48 kilowatts per square meter to 1.93 kilowatts per square meter. , 15% higher than similar factories in the United States. "Wang Fang, secretary general of the Shanghai Indoor Environmental Purification Association, told the China Electronics News reporter," Taking a well-known chip factory in Shanghai as an example, 51% of its annual power consumption is used for Clean room operation and maintenance. If this 51% energy consumption can be reasonably reduced, it will mean an increase in profits for the enterprise. "
Not only that, the cost of constructing a clean room is also prohibitive. Qin Xueli, one of the main drafters of "Design Standards for the Cleanroom Design of the Electronic Industry", said in an interview with the reporter of "China Electronics News" that the construction cost per unit area of ISO6 (equivalent to American standard FS2091000) clean room is about 3,000 yuan / square meter 4000 yuan / square meter, while the ISO4 (equivalent to US standard FS20910) clean room construction cost per unit area is as high as 10,000 yuan / square meter.
Due to the high cost of clean room construction and the large difference in construction costs between different cleanliness levels, in the clean room design process, designers not only need to reasonably arrange process equipment to minimize the area of the clean area, but also target different production Set different cleanliness levels. At present, 12-inch integrated circuit chip manufacturing plants generally adopt the "open clean room plus microenvironment" method, and arrange the silicon wafer processing process with very strict air cleanliness in the chip manufacturing process in the microenvironment of level 1-4. In the installation, the cleanliness level of the open clean room only needs to be 5-6, which effectively reduces construction / operation investment and energy consumption.

In China, the energy consumption of clean plants is considerable. Energy consumption is mainly used for production equipment electricity and heat consumption, power consumption / heat consumption and cooling load for air conditioning system purification, power consumption of refrigeration units, power consumption and heat consumption of exhaust devices, production of ultrapure water and gas And transmission, and utilities and lighting. In order to achieve the air cleanliness level required by the clean room, the circulating air volume of the clean room is large. In general, air-conditioned rooms only need a few times of air changes per hour, while clean rooms reach 10 to 600 times per hour. Due to technical reasons, China ’s clean rooms are higher in energy consumption than developed countries in Europe and the United States.


Related tags: Dongguan Cleanroom ︱Dongguan Purification Workshop︱Dongguan Purification Project︱Dongguan Cleanroom Project︱Clean Room Project︱Dustless Workshop Installation︱Dongguan Cleanroom Decoration︱Dongguan Purification Workshop Decoration︱Dongguan Lixiang Air Conditioning Purification Project Limited the company

Article source: http://jimesale.com Tan Yuming 13751461639

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