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  • 化学分析实验室建设规划的事项
    来源:http://www.jnyhrs.com 浏览: 发布日期:2019-03-29
    在化学剖析室中停止样品的化学处置和剖析测定,工作中常运用一些小型的电器设备及各种化学试剂,如操作不慎也具有一定的风险性。针对这些运用特性,在化学剖析室设计上应留意以下请求:
    The chemical disposal and determination of samples are stopped in the chemical analysis room. Some small electrical equipment and various chemical reagents are often used in the work, such as improper operation, which also has certain risks. In view of these application characteristics, the following requests should be noted in the design of chemical analysis room:
    (1)建筑请求化验室的建筑应耐火或用不易熄灭的资料建成,隔断和顶棚也要思索到防火性能。可采用水磨石空中,窗户要能防尘,室内采光要好。门应向外开,大实验室建立规划应设两个出口,以利于发作不测时人员的撤离。
    (1) Buildings requiring laboratories should be built with fire-resistant or non-extinguishable materials, and partitions and roofs should also be considered for fire resistance. Terrazzo can be used in the air, windows should be dust-proof, indoor lighting is good. The door should be open to the outside world, and there should be two exits for the establishment of a large laboratory to facilitate the evacuation of personnel in case of an unexpected attack.
    (2)供水和排水供水要保证必需的水压、水质和水量以满足仪器设备正常运转的需求。室内总阀门应设在易操作的显著位置。下水道应采用耐酸碱腐蚀的资料,空中应有地漏。
    (2) Water supply and drainage water supply should ensure the necessary water pressure, quality and quantity to meet the normal operation of instruments and equipment. Indoor main valves should be located in a prominent position that is easy to operate. Sewerage shall be provided with acid and alkali corrosion resistant data, and ground leakage shall occur in the air.
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    (3)通风设备由于化验工作中常常产生有毒或易燃的气体,因而化验室要有良好的通风条件,通风设备普通有3种:
    (3) Ventilation equipment often produces toxic or flammable gases in laboratory work, so the laboratory should have good ventilation conditions. There are generally three types of ventilation equipment:
    ①全室通风:采用排气扇或通风竖井,换气次数普通为5次/时。
    (1) Ventilation in the whole room: Exhaust fan or ventilation shaft is used, and the ventilation times are usually 5 times per hour.
    ②部分排气罩:普通装置
    (2) Partial exhaust hood: common device
    在大型仪器发作有害气体部位的上方。在教学实验室中产生有害气体的上方,设置部分排气罩以减少室内空气的污染。
    Above the place where a large instrument is exposed to harmful gases. In order to reduce indoor air pollution, a part of the exhaust hood is installed above the harmful gas produced in the teaching laboratory.
    ③通风柜:这是实验室设计常用的一种部分排风设备。内有加热源、水源、照明等安装。可采用防火防爆的金属资料制造通风柜,内涂防腐涂料,通风管道要能耐酸碱气体腐蚀。风机可装置在顶层机房内,并应有减少震动和噪音的安装,排气管应高于屋顶2m以上。一台排风机衔接一个通风柜较好,不同房间共用一个风机和通风管道易发作穿插污染。博思博通风柜在室内的正确位置是放在空气活动较小的中央,或采用效果较好的狭缝式通风柜。通风柜台面高度800mm,宽750mm,柜内净高1200-1500mm,操作口高度800mm,柜长1200-1800mm。条缝处风速0.3-0.5m/s视窗开启高度为300-500mm。挡板后风道宽度等于缝宽2倍以上。
    (3) Ventilator: This is a part of ventilation equipment commonly used in laboratory design. Installation of heating source, water source, lighting, etc. Can use fire and explosion-proof metal materials to manufacture ventilation cabinets, coated with anticorrosive paint, ventilation pipelines to be able to resist acid and alkali gas corrosion. The fan can be installed in the top room, and should be installed to reduce vibration and noise. The exhaust pipe should be higher than 2 m above the roof. It is better for one exhaust fan to connect with one ventilator, and it is easy for different rooms to share one ventilator and ventilation duct to suffer from interpenetrating pollution. The correct position of Bosch Fume Cabinet in the room is to place it in the center with less air activity, or to use slit type fume cabinet with better effect. The height of the ventilation cabinet is 800 mm, the width is 750 mm, the net height of the cabinet is 1200-1500 mm, the height of the operation port is 800 mm, and the length of the cabinet is 1200-1800 mm. The opening height of window with wind speed of 0.3-0.5m/s at slit is 300-500 mm. The width of the duct behind the baffle is more than two times the width of the slot.
    (4)供气与供电有条件的化验室可装置管道煤气。化验室的电源分照明用电和设备用电。照明最好采用荧光灯。设备用电中,24h运转的电器如冰箱单独供电,其他电器设备均由总开关控制,烘箱、高温炉等电热设备应有专用插座、开关及熔断器。博思博在室内及走廊上安顿应急灯,备夜间忽然停电时运用。
    (4) Pipeline gas can be installed in laboratories with conditions for gas supply and power supply. The power supply of laboratory is divided into lighting power supply and equipment power supply. Fluorescent lamps are preferred for lighting. In the power supply of the equipment, the 24-hour running appliances such as refrigerators are powered separately, and other electrical equipment are controlled by the main switch. Electrical heating equipment such as ovens and high-temperature furnaces should have special sockets, switches and fuses. Bosch installed emergency lights indoors and on corridors for use during sudden power outages at night.
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    The splendid content of this article is compiled by the laboratory decoration. Our company insists on the win-win concept of honesty and cooperation to provide you with perfect service. Welcome to http://www.jnyhrs.com.

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