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所属分类: | 实验室气体管道工程案例 |
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义乌华鼎实验(yan)室气(qi)(qi)(qi)路改造(zao)集(ji)中(zhong)(zhong)(zhong)供(gong)(gong)气(qi)(qi)(qi)系统(tong)作为气(qi)(qi)(qi)体储存(cun)、调压、输送及(ji)供(gong)(gong)应(ying)具有以(yi)下(xia)几个优点:一是(shi)集(ji)中(zhong)(zhong)(zhong)供(gong)(gong)气(qi)(qi)(qi)系统(tong)将气(qi)(qi)(qi)源(钢瓶)集(ji)中(zhong)(zhong)(zhong)在气(qi)(qi)(qi)瓶储存(cun)间(jian),采(cai)用管路系统(tong)将气(qi)(qi)(qi)送到所需的(de)工作地点,再将供(gong)(gong)气(qi)(qi)(qi)终(zhong)端进行分流。因(yin)此(ci)(ci)工作地点看不到气(qi)(qi)(qi)瓶,显得规范(fan)、整(zheng)洁。二是(shi)结构紧凑、安(an)装方便、操作简单;三是(shi)集(ji)中(zhong)(zhong)(zhong)供(gong)(gong)气(qi)(qi)(qi)系统(tong)更(geng)容易(yi)进行监控。因(yin)此(ci)(ci)采(cai)用集(ji)中(zhong)(zhong)(zhong)供(gong)(gong)气(qi)(qi)(qi)系统(tong)进行供(gong)(gong)气(qi)(qi)(qi)更(geng)安(an)全(quan)、更(geng)规范(fan)、更(geng)可(ke)靠(kao)。
义乌华鼎实验室气路改造集(ji)中(zhong)(zhong)供(gong)气(qi)(qi)(qi)(qi)(qi)(qi)系(xi)(xi)(xi)统(tong)(tong)作(zuo)为(wei)气(qi)(qi)(qi)(qi)(qi)(qi)体储(chu)存(cun)、调(diao)压(ya)、输送及供(gong)应具有以下几个优点(dian)(dian):一(yi)是集(ji)中(zhong)(zhong)供(gong)气(qi)(qi)(qi)(qi)(qi)(qi)系(xi)(xi)(xi)统(tong)(tong)将(jiang)气(qi)(qi)(qi)(qi)(qi)(qi)源(yuan)(钢瓶(ping)(ping))集(ji)中(zhong)(zhong)在气(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)储(chu)存(cun)间,采用管(guan)(guan)路(lu)(lu)系(xi)(xi)(xi)统(tong)(tong)将(jiang)气(qi)(qi)(qi)(qi)(qi)(qi)送到(dao)(dao)所需的工作(zuo)地点(dian)(dian),再将(jiang)供(gong)气(qi)(qi)(qi)(qi)(qi)(qi)终端进行(xing)分流。因此(ci)(ci)工作(zuo)地点(dian)(dian)看(kan)不(bu)到(dao)(dao)气(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping),显得规范(fan)、整洁。二是结构紧凑(cou)、安装方(fang)便、操作(zuo)简(jian)单;三是集(ji)中(zhong)(zhong)供(gong)气(qi)(qi)(qi)(qi)(qi)(qi)系(xi)(xi)(xi)统(tong)(tong)更容易(yi)进行(xing)监(jian)控(kong)。因此(ci)(ci)采用集(ji)中(zhong)(zhong)供(gong)气(qi)(qi)(qi)(qi)(qi)(qi)系(xi)(xi)(xi)统(tong)(tong)进行(xing)供(gong)气(qi)(qi)(qi)(qi)(qi)(qi)更安全、更规范(fan)、更可(ke)靠。科望达主要提供(gong)氧气(qi)(qi)(qi)(qi)(qi)(qi)、氢气(qi)(qi)(qi)(qi)(qi)(qi)、氦气(qi)(qi)(qi)(qi)(qi)(qi)、氮气(qi)(qi)(qi)(qi)(qi)(qi)、乙炔、压(ya)缩空气(qi)(qi)(qi)(qi)(qi)(qi)等(deng)气(qi)(qi)(qi)(qi)(qi)(qi)体的集(ji)中(zhong)(zhong)供(gong)气(qi)(qi)(qi)(qi)(qi)(qi)系(xi)(xi)(xi)统(tong)(tong)设计及管(guan)(guan)路(lu)(lu)系(xi)(xi)(xi)统(tong)(tong)安装。
一、义乌华鼎实验室气路改造技术要求:
1、气瓶间
①气瓶间应采用300mm以上钢筋混凝土防爆(bao)墙,遮阳防晒,并安装(zhuang)防爆(bao)门,泄露(lu)窗。
②室内(nei)地(di)面应(ying)有防火花(hua)、防静电措施(shi);室内(nei)电气设备(bei)应(ying)具备(bei)防爆功能。
③通(tong)风良好,室内应安(an)装排(pai)气扇。
④可燃气(qi)体钢(gang)瓶(氢气(qi)、乙(yi)炔)与助燃气(qi)体(氧(yang)气(qi))应隔(ge)开(kai)放置(zhi)。
⑤气瓶间要(yao)设置报警系统(tong)。
2、工作间
①所(suo)有管(guan)道要统筹规划、集中布置、方便安装、便于(yu)操作(zuo)、检修(xiu)方便。
②所有工艺(yi)管道(dao)要(yao)设(she)(she)置(zhi)切断阀,并(bing)根据需要(yao)设(she)(she)置(zhi)压(ya)力表(biao)、温度计(ji)、流量计(ji)、过滤器和减压(ya)阀,阀门和仪表(biao)要(yao)设(she)(she)置(zhi)在便于观察和检修的地方。
③可燃(ran)气体管(guan)道要沿墙明(ming)线铺设,方便(bian)安装和(he)检修。
④使(shi)用钢瓶(ping)气(qi)管道的(de)设备台应离墙布置,且(qie)留出(chu)不小于(yu)600mm的(de)检修(xiu)空间。
⑤氢气管(guan)道应采(cai)用焊接连接,不能采(cai)用螺(luo)纹(wen)连接和使用闸阀(fa)。
⑥供(gong)气(qi)系统采(cai)用(yong)二级(ji)减压(ya)方(fang)式进行供(gong)气(qi),气(qi)体由(you)15Mpa减到(dao)1.5Mpa后再(zai)输入到(dao)各实验室。
二、用材
1、管道、球阀(fa)、三通和卡(ka)套均采用316L不(bu)锈(xiu)钢,高压(ya)软(ruan)管为不(bu)锈(xiu)钢波纹管,在高压(ya)软(ruan)管的(de)进(jin)气(qi)(qi)(qi)(qi)端配置单向阀(fa),防(fang)止(zhi)更(geng)换气(qi)(qi)(qi)(qi)瓶时,软(ruan)管内的(de)气(qi)(qi)(qi)(qi)体外泄(xie),又可防(fang)止(zhi)外界的(de)空气(qi)(qi)(qi)(qi)混(hun)入气(qi)(qi)(qi)(qi)路中,影(ying)响(xiang)气(qi)(qi)(qi)(qi)体纯(chun)度(du)。
2、管(guan)(guan)(guan)道(dao)(dao)系(xi)统:所有气体管(guan)(guan)(guan)道(dao)(dao)均(jun)采(cai)用B*别316L不锈钢(gang)管(guan)(guan)(guan),在管(guan)(guan)(guan)路(lu)上有过滤杂质和(he)水分(fen)的装置。
3、管道的连(lian)接:汇排流、终端均采用卡套连(lian)接,便(bian)于(yu)减压器和阀门的维护(hu)管理。
4、终端:在每台仪器(qi)之前,配置(zhi)截止阀和二级减压器(qi),截止阀控制(zhi)每个(ge)气(qi)路(lu)的(de)开启和关闭(bi),减压器(qi)用于显示和调整每个(ge)终端的(de)压力。
5、气体管(guan)道每间隔1.5米采用管(guan)码支(zhi)架固定。
6、整个(ge)气路安(an)装完毕后,对整个(ge)系统做压力测试,压力24小时后无下降(jiang)视为合格。
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