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所属分类: | 实验室气体管道工程案例 |
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河南(nan)郑州瑞龙实验室钢瓶室管(guan)路(lu)改造集(ji)(ji)中(zhong)(zhong)(zhong)供(gong)(gong)气(qi)(qi)系(xi)统(tong)(tong)作(zuo)为气(qi)(qi)体(ti)储(chu)存、调压、输送及供(gong)(gong)应具(ju)有(you)以(yi)下(xia)几个优(you)点:一是集(ji)(ji)中(zhong)(zhong)(zhong)供(gong)(gong)气(qi)(qi)系(xi)统(tong)(tong)将(jiang)气(qi)(qi)源(yuan)(钢瓶)集(ji)(ji)中(zhong)(zhong)(zhong)在气(qi)(qi)瓶储(chu)存间,采用管(guan)路(lu)系(xi)统(tong)(tong)将(jiang)气(qi)(qi)送到(dao)所需(xu)的工作(zuo)地点,再将(jiang)供(gong)(gong)气(qi)(qi)终端进行分流。因此(ci)工作(zuo)地点看不到(dao)气(qi)(qi)瓶,显得规(gui)(gui)范、整洁(jie)。二是结构紧(jin)凑、安(an)装方便、操(cao)作(zuo)简单(dan);三是集(ji)(ji)中(zhong)(zhong)(zhong)供(gong)(gong)气(qi)(qi)系(xi)统(tong)(tong)更(geng)(geng)容易进行监控。因此(ci)采用集(ji)(ji)中(zhong)(zhong)(zhong)供(gong)(gong)气(qi)(qi)系(xi)统(tong)(tong)进行供(gong)(gong)气(qi)(qi)更(geng)(geng)安(an)全、更(geng)(geng)规(gui)(gui)范、更(geng)(geng)可靠。
河南郑州(zhou)瑞龙实(shi)验室钢瓶室管路改造集(ji)中供(gong)(gong)气(qi)(qi)(qi)(qi)系统(tong)作(zuo)为气(qi)(qi)(qi)(qi)体储存(cun)、调压、输(shu)送及供(gong)(gong)应具有(you)以下几个优(you)点(dian):一(yi)是集(ji)中供(gong)(gong)气(qi)(qi)(qi)(qi)系统(tong)将(jiang)气(qi)(qi)(qi)(qi)源(钢瓶(ping)(ping))集(ji)中在气(qi)(qi)(qi)(qi)瓶(ping)(ping)储存(cun)间(jian),采用管(guan)路系统(tong)将(jiang)气(qi)(qi)(qi)(qi)送到所需(xu)的工(gong)作(zuo)地点(dian),再(zai)将(jiang)供(gong)(gong)气(qi)(qi)(qi)(qi)终端进(jin)行(xing)分(fen)流。因(yin)此工(gong)作(zuo)地点(dian)看不到气(qi)(qi)(qi)(qi)瓶(ping)(ping),显得规范、整洁。二(er)是结(jie)构紧凑、安(an)装(zhuang)方便、操作(zuo)简单;三是集(ji)中供(gong)(gong)气(qi)(qi)(qi)(qi)系统(tong)更(geng)容易进(jin)行(xing)监(jian)控。因(yin)此采用集(ji)中供(gong)(gong)气(qi)(qi)(qi)(qi)系统(tong)进(jin)行(xing)供(gong)(gong)气(qi)(qi)(qi)(qi)更(geng)安(an)全(quan)、更(geng)规范、更(geng)可靠。科望达主要(yao)提供(gong)(gong)氧气(qi)(qi)(qi)(qi)、氢气(qi)(qi)(qi)(qi)、氦气(qi)(qi)(qi)(qi)、氮气(qi)(qi)(qi)(qi)、乙炔、压缩空气(qi)(qi)(qi)(qi)等气(qi)(qi)(qi)(qi)体的集(ji)中供(gong)(gong)气(qi)(qi)(qi)(qi)系统(tong)设(she)计及管(guan)路系统(tong)安(an)装(zhuang)。
一、河南郑州瑞龙实验室(shi)(shi)钢(gang)瓶室(shi)(shi)管路改造技术要求
1、气(qi)瓶间
①气瓶间应采用300mm以(yi)上(shang)钢筋混凝土防(fang)爆墙,遮阳(yang)防(fang)晒,并安装防(fang)爆门,泄露窗。
②室(shi)内地面应有防(fang)火(huo)花、防(fang)静电(dian)措(cuo)施;室(shi)内电(dian)气(qi)设备应具(ju)备防(fang)爆功能(neng)。
③通风良(liang)好(hao),室内应安装排气扇。
④可燃(ran)气(qi)(qi)体钢瓶(氢(qing)气(qi)(qi)、乙(yi)炔)与助(zhu)燃(ran)气(qi)(qi)体(氧(yang)气(qi)(qi))应隔开(kai)放置(zhi)。
⑤气瓶间要设置报警系(xi)统
2、工(gong)作间
①所(suo)有管(guan)道要统(tong)筹规划、集中布置、方(fang)便安装、便于操(cao)作、检(jian)修方(fang)便。
②所(suo)有工艺管道(dao)要设置(zhi)(zhi)切(qie)断(duan)阀(fa),并根据需要设置(zhi)(zhi)压力表、温度计、流量计、过滤器和减压阀(fa),阀(fa)门和仪表要设置(zhi)(zhi)在(zai)便于(yu)观察和检修的地(di)方。
③可燃气(qi)体管道(dao)要(yao)沿墙明线铺设,方(fang)便安装和检修。
④使(shi)用钢瓶气管道的设备台(tai)应离(li)墙布置,且留出不小于600mm的检修空(kong)间。
⑤氢气管道应(ying)采用焊接连接,不能(neng)采用螺纹连接和(he)使用闸阀。
⑥供气(qi)系统采用(yong)二(er)级减压方式进(jin)行(xing)供气(qi),气(qi)体由(you)15Mpa减到1.5Mpa后再输(shu)入(ru)到各实(shi)验(yan)室。
二(er)、用材
1、管(guan)(guan)(guan)道、球阀、三通和卡套均采用316L不锈(xiu)钢(gang),高压(ya)软管(guan)(guan)(guan)为不锈(xiu)钢(gang)波纹管(guan)(guan)(guan),在高压(ya)软管(guan)(guan)(guan)的(de)进气(qi)端(duan)配(pei)置单(dan)向阀,防(fang)止更换气(qi)瓶时,软管(guan)(guan)(guan)内的(de)气(qi)体外泄,又可防(fang)止外界的(de)空气(qi)混入气(qi)路中(zhong),影响气(qi)体纯度(du)。
2、管(guan)(guan)道系统:所有气(qi)体管(guan)(guan)道均采用B*别(bie)316L不锈钢管(guan)(guan),在管(guan)(guan)路上有过滤杂质和(he)水(shui)分的装置(zhi)。
3、管道的连(lian)接:汇排流、终端均采用卡(ka)套连(lian)接,便于(yu)减压器和(he)阀门的维护管理。
4、终(zhong)(zhong)端:在每台仪器之前(qian),配(pei)置截止(zhi)阀和(he)二级减压(ya)器,截止(zhi)阀控制每个气路的开启和(he)关闭(bi),减压(ya)器用于显示和(he)调整每个终(zhong)(zhong)端的压(ya)力。
5、气体管(guan)道(dao)每间(jian)隔1.5米(mi)采(cai)用管(guan)码支架固定。
6、整个气路安装完毕后,对(dui)整个系统做压(ya)(ya)力测试,压(ya)(ya)力24小(xiao)时(shi)后无下(xia)降视为合(he)格。
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