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  • 理化实验室的设计环境要求
    来源:http://www.jnyhrs.com 浏览: 发布日期:2018-08-30
    1、通风:
    1. Ventilation:
    实验室经常由于实验时间长,人员多和实验过程中产生一些有害气体,造成空气污浊,对人体不利。为了防止实验室工作人员吸入或咽入一些有毒的、可致病的或毒性不明的化学物质和有机气体,实验室中应有良好的通风,必要时应设空调。通风设备有:通风柜、通风罩或局部通风装置。除了提到的外,需要注意有机溶剂前处理和使用电炉进行前处理的通风柜应分别布置在不同的实验室,局部排风装置和排风罩必须具有足够的功率,否则实际工作中难以满足使用要求。
    Laboratory often because of long experimental time, large number of personnel and experimental process produce some harmful gases, resulting in air pollution, adverse to human health. In order to prevent laboratory staff from inhaling or ingesting toxic, pathogenic or unknown toxic chemicals and organic gases, laboratory ventilation should be good, if necessary, air conditioning should be installed. Ventilation equipment includes ventilation cabinet, ventilation hood or partial ventilation device. In addition to those mentioned above, attention should be paid to the fact that the fume hood for organic solvent pretreatment and electric furnace pretreatment should be arranged in different laboratories, and the local exhaust device and hood must have sufficient power, otherwise it is difficult to meet the requirements in actual work.
    2、湿度和温度:
    2. Humidity and temperature:
    实验室要求适宜的温度和湿度。室内的小气候,包括气温、湿度和气流速度等,对在实验室工作的人员和仪器设备有影响。夏季的适宜温度应是18-28℃,冬季为16-20℃,湿度好在30%(冬季)-70%(夏季)之间。除了特殊实验室外,温湿度对大多数理化实验影响不大,但是天平室和精密仪器室应根据需要对温湿度进行控制。
    空气净化工程
    The laboratory requires proper temperature and humidity. Indoor microclimate, including temperature, humidity and airflow velocity, has an impact on lab personnel and equipment. The optimum temperature in summer should be 18-28 C, 16-20 C in winter, and the humidity should be between 30% (winter) and 70% (summer). Except for special laboratories, temperature and humidity have little effect on most physical and chemical experiments, but the balance room and precision instrument room should control the temperature and humidity as needed.
    3、洁净度:
    3. Cleanliness:
    经常保持实验室的清洁是非常重要的。室外大气中的尘埃,借通风换气过程会进入实验室,实验内含尘量过高,空气不净,不但影响检测结果,而且,其微粒落在仪器设备的元件表面上,可能构成障碍,甚至造成短路或其他潜在危险。洁净实验室是要花银子的,建议不是特殊需要可不进行洁净实验室设计,若有需要可以对大型精密仪器室、特殊实验室进行设计,一般达到万级净化要求即可。若有多个洁净实验室,送排风系统应各自独立设计,独立使用。
    It is very important to keep the laboratory clean. Dust in the outdoor atmosphere will enter the laboratory during ventilation. The high dust content and unclean air in the experiment will not only affect the test results, but also cause obstacles, even short circuit or other potential hazards when the particles fall on the surface of the instrument and equipment components. Clean laboratory is to spend money, the proposal is not special needs can not carry out clean laboratory design, if there is a need for large precision instrument room, special laboratory design, generally meet the requirements of ten thousand purification can be. If there are multiple clean laboratories, the exhaust and exhaust system should be designed independently and used independently.