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In clean air conditioners,combined multifunctional clean air conditioner the energy consumption of fresh air accounts for a large portion of the system's energy consumption. Therefore, in the case of meeting the production process and the needs of operators, within the allowable range, low fresh air ratio should be used as much as possible; the return air temperature and humidity in the clean space are close to the supply air temperature and humidity requirements, and the newer winds are required. Clean, return air purification system, use as much return air as possible, improve the system's return air utilization, can not return to the wind or use a small amount of return air system, to carry out energy recovery. The determination of the fresh air volume may be in accordance with the provisions of the "Clean Factory Design Code" or the "Design Code for the Cleanroom of the Pharmaceutical Industry", No. 21214: The clean room should maintain a certain amount of fresh air, and its value should be the maximum of the following air volumes: 10% ~ 30% of the total air supply volume of the unidirectional flow clean room, 2% ~ 4% of the total air supply volume of the unidirectional flow clean room; the amount of fresh air required to compensate the indoor exhaust air and maintain the indoor positive pressure value; The amount of fresh air per person per hour is not less than 40 m3. For a clean factory with a high degree of airtightness, the fresh air volume should not be too low, otherwise the indoor workers may feel a boring feeling.
The determination of the clean room temperature humidity should be compatible with the requirements of the production process. When there is no special requirement, the temperature and humidity in the clean room should be taken as high as possible, and at the same time, the human body's comfort requirements should be met. Due to the uncertainty of many parameters of clean air conditioning, it is relatively difficult to obtain the cold (heat) load per unit area of the clean plant through thermal calculation, and it is not accurate in actual operation. Generally, it is based on empirical data to determine the plant's Cold (hot) load per unit area. The factors considered include: local meteorological conditions, frequency of ventilation, fresh air ratio, heat transfer characteristics of the envelope structure, heat dissipation of the process itself, space height, and insulation materials.
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Company :Guangdong Head-Power Air Conditioning Co.,Ltd
Contact person :Cindy
Email: exportsales4@china-headpower.com
lined in:www.linkedin.com/in/黎仙烊cindy-li-010626108
Telephone:86-757-88364517
Mobile Phone/Wechat/Whatsapp:+86-13794014063
Fax:86-757-86688063
Address:Shiling Chenbian Section,321National Highway, Shishan Town, Nanhai District,Foshan
City,Guangdong Province,China (Mainland)
Website: https://www.headpowerac.com
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