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所属分类: | 实验室气体管道工程案例 |
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芜湖三利日化(hua)实(shi)验(yan)室高(gao)纯气(qi)体压(ya)力管道安(an)装集中供(gong)(gong)气(qi)系统作(zuo)为(wei)气(qi)体储存、调(diao)压(ya)、输(shu)送及供(gong)(gong)应(ying)具有以下几个优点(dian):一是(shi)集中供(gong)(gong)气(qi)系统将气(qi)源(钢瓶)集中在气(qi)瓶储存间,采用管路系统将气(qi)送到所需的工作(zuo)地点(dian),再(zai)将供(gong)(gong)气(qi)终端(duan)进(jin)行(xing)分流。因(yin)(yin)此工作(zuo)地点(dian)看不到气(qi)瓶,显得规范(fan)、整洁。二是(shi)结构紧凑、安(an)装方(fang)便、操(cao)作(zuo)简(jian)单(dan);三是(shi)集中供(gong)(gong)气(qi)系统更(geng)容易进(jin)行(xing)监控。因(yin)(yin)此采用集中供(gong)(gong)气(qi)系统进(jin)行(xing)供(gong)(gong)气(qi)更(geng)安(an)全、更(geng)规范(fan)、更(geng)可靠。
芜湖三利日化实验室高纯气体压力管道安装集(ji)中(zhong)(zhong)供(gong)(gong)气(qi)(qi)(qi)(qi)(qi)系统(tong)作(zuo)为气(qi)(qi)(qi)(qi)(qi)体储存、调压(ya)、输送及供(gong)(gong)应具有以下几个优点:一是(shi)集(ji)中(zhong)(zhong)供(gong)(gong)气(qi)(qi)(qi)(qi)(qi)系统(tong)将(jiang)(jiang)(jiang)气(qi)(qi)(qi)(qi)(qi)源(yuan)(钢瓶(ping)(ping))集(ji)中(zhong)(zhong)在(zai)气(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping)储存间,采用(yong)管路系统(tong)将(jiang)(jiang)(jiang)气(qi)(qi)(qi)(qi)(qi)送到(dao)所需的工(gong)作(zuo)地点,再将(jiang)(jiang)(jiang)供(gong)(gong)气(qi)(qi)(qi)(qi)(qi)终端进(jin)(jin)行(xing)分流。因(yin)此工(gong)作(zuo)地点看(kan)不到(dao)气(qi)(qi)(qi)(qi)(qi)瓶(ping)(ping),显得(de)规范(fan)、整洁(jie)。二是(shi)结(jie)构紧(jin)凑、安装(zhuang)方便、操作(zuo)简单;三是(shi)集(ji)中(zhong)(zhong)供(gong)(gong)气(qi)(qi)(qi)(qi)(qi)系统(tong)更容易进(jin)(jin)行(xing)监控(kong)。因(yin)此采用(yong)集(ji)中(zhong)(zhong)供(gong)(gong)气(qi)(qi)(qi)(qi)(qi)系统(tong)进(jin)(jin)行(xing)供(gong)(gong)气(qi)(qi)(qi)(qi)(qi)更安全、更规范(fan)、更可(ke)靠。科望达主要提供(gong)(gong)氧气(qi)(qi)(qi)(qi)(qi)、氢气(qi)(qi)(qi)(qi)(qi)、氦气(qi)(qi)(qi)(qi)(qi)、氮气(qi)(qi)(qi)(qi)(qi)、乙炔、压(ya)缩空气(qi)(qi)(qi)(qi)(qi)等气(qi)(qi)(qi)(qi)(qi)体的集(ji)中(zhong)(zhong)供(gong)(gong)气(qi)(qi)(qi)(qi)(qi)系统(tong)设计(ji)及管路系统(tong)安装(zhuang)。
一、芜湖三利日化实验室高纯气体压力管道安装技术(shu)要求
1、气(qi)瓶间
①气瓶间应(ying)采用300mm以上钢筋(jin)混凝(ning)土防(fang)爆墙,遮阳防(fang)晒(shai),并安(an)装(zhuang)防(fang)爆门,泄露窗。
②室内(nei)地面应有防火花、防静电(dian)(dian)措施;室内(nei)电(dian)(dian)气设备(bei)应具备(bei)防爆功能。
③通风良好,室(shi)内应安装排气扇。
④可(ke)燃气体(ti)钢瓶(ping)(氢气、乙炔)与助燃气体(ti)(氧气)应隔开放(fang)置。
⑤气(qi)瓶间(jian)要设(she)置报(bao)警系统
2、工作(zuo)间
①所有管道要统筹规划(hua)、集中布(bu)置、方(fang)便(bian)安装、便(bian)于操作、检修方(fang)便(bian)。
②所有(you)工艺管道要(yao)设置切断(duan)阀,并根(gen)据需(xu)要(yao)设置压力表、温(wen)度计(ji)、流量计(ji)、过滤(lv)器和减压阀,阀门和仪表要(yao)设置在便于观察和检修(xiu)的地方。
③可燃气体(ti)管道要沿墙明线铺设,方(fang)便安装和检修。
④使用钢(gang)瓶气(qi)管(guan)道的设备台应(ying)离墙(qiang)布置,且留(liu)出不小(xiao)于600mm的检修(xiu)空(kong)间。
⑤氢气(qi)管道应采用焊接(jie)连接(jie),不能(neng)采用螺纹(wen)连接(jie)和(he)使用闸阀。
⑥供气系(xi)统采用(yong)二级减(jian)压方式进行(xing)供气,气体由15Mpa减(jian)到1.5Mpa后再(zai)输入到各实(shi)验室。
二、用材
1、管(guan)(guan)道、球阀(fa)、三通和卡套均采用316L不(bu)锈钢(gang),高压软(ruan)管(guan)(guan)为不(bu)锈钢(gang)波纹管(guan)(guan),在高压软(ruan)管(guan)(guan)的(de)进(jin)气(qi)端(duan)配置单向阀(fa),防止更换气(qi)瓶时,软(ruan)管(guan)(guan)内(nei)的(de)气(qi)体(ti)外泄,又可防止外界的(de)空气(qi)混入气(qi)路中,影(ying)响气(qi)体(ti)纯度(du)。
2、管道系统:所有气体管道均采用(yong)B*别316L不锈(xiu)钢管,在管路上有过滤杂质和(he)水分的(de)装置。
3、管道(dao)的连(lian)(lian)接(jie):汇排流、终端均采(cai)用(yong)卡套连(lian)(lian)接(jie),便于减压器和阀门(men)的维护(hu)管理。
4、终端:在每台仪器(qi)之(zhi)前(qian),配置截止(zhi)阀和二级减(jian)压器(qi),截止(zhi)阀控制每个气路的(de)开启和关闭,减(jian)压器(qi)用于显示(shi)和调(diao)整每个终端的(de)压力。
5、气体管(guan)(guan)道每间隔1.5米采用管(guan)(guan)码支架(jia)固定。
6、整个(ge)气(qi)路安装完毕后,对整个(ge)系(xi)统做压力测试(shi),压力24小时(shi)后无下降视(shi)为合格。
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