高(gao)纯(chun)气(qi)体(ti)控制系(xi)统(tong)集中(zhong)(zhong)供(gong)(gong)气(qi)系(xi)统(tong)作为气(qi)体(ti)储存(cun)(cun)、调(diao)压、输(shu)送及供(gong)(gong)应具有以下几个优(you)点(dian)(dian)：一(yi)是集中(zhong)(zhong)供(gong)(gong)气(qi)系(xi)统(tong)将气(qi)源（钢(gang)瓶(ping)）集中(zhong)(zhong)在气(qi)瓶(ping)储存(cun)(cun)间，采用(yong)管路系(xi)统(tong)将气(qi)送到所需(xu)的工(gong)作地(di)点(dian)(dian)，再将供(gong)(gong)气(qi)终端进行(xing)分流。因此(ci)工(gong)作地(di)点(dian)(dian)看不(bu)到气(qi)瓶(ping)，显得规范、整洁。二是结构紧(jin)凑、安(an)(an)装(zhuang)方便、操作简单；三是集中(zhong)(zhong)供(gong)(gong)气(qi)系(xi)统(tong)更(geng)容易(yi)进行(xing)监控。因此(ci)采用(yong)集中(zhong)(zhong)供(gong)(gong)气(qi)系(xi)统(tong)进行(xing)供(gong)(gong)气(qi)更(geng)安(an)(an)全、更(geng)规范、更(geng)可(ke)靠。
1、系(xi)(xi)(xi)统(tong)(tong)概述 1.1气路系(xi)(xi)(xi)统(tong)(tong)主要由(you)气源切换系(xi)(xi)(xi)统(tong)(tong)（一级减压(ya)(ya)系(xi)(xi)(xi)统(tong)(tong)）、管道及连接件系(xi)(xi)(xi)统(tong)(tong)、二(er)级调压(ya)(ya)系(xi)(xi)(xi)统(tong)(tong)、气体(ti)(ti)(ti)过滤纯化系(xi)(xi)(xi)统(tong)(tong)、气体(ti)(ti)(ti)报警系(xi)(xi)(xi)统(tong)(tong)、压(ya)(ya)力表(biao)、球(qiu)阀等组(zu)成。对于一些易(yi)燃易(yi)爆气体(ti)(ti)(ti)，如氢气、乙炔(gui)等，必(bi)须加(jia)入(ru)气体(ti)(ti)(ti)回(hui)火防(fang)止器，其余惰性气体(ti)(ti)(ti)可(ke)根(gen)据(ju)需(xu)要增加(jia)单向阀。 2、设(she)(she)(she)计依(yi)据(ju) 2.1甲方提供(gong)的设(she)(she)(she)计需(xu)求说明(ming) 2.2相关专业设(she)(she)(she)计规范 《建筑设(she)(she)(she)计防(fang)火规范》
R14SL系列(lie)(lie)小(xiao)流量捷锐减压(ya)器(qi)R14SL 系列(lie)(lie)膜片式(shi)减压(ya)器(qi)，其结(jie)构(gou)设(she)计和制造选用(yong)优质的(de)原材料，输(shu)出压(ya)力(li)稳定(ding)，特(te)别适(shi)用(yong)于(yu)气体(ti)分析仪器(qi)及(ji)各种高纯气体(ti)。结(jie) 构(gou) 特(te) 点(dian) 单级式(shi)减压(ya)结(jie)构(gou) 膜片与母(mu)体(ti)采用(yong)硬密封形式(shi) 母(mu)体(ti)接口螺纹：1/4“ NPT（F） 安全压(ya)力(li)：1.5 倍(bei)的(de)Z大输(shu)入压(ya)力(li) 输(shu)入压(ya)力(li)：500, 3000, 4000 psi 输(shu)出压(ya)力(li)：0-25, 0-50
PLC气体管路控(kong)制(zhi)(zhi)系(xi)统(tong)(tong)实现了(le)供(gong)气系(xi)统(tong)(tong)的(de)自动(dong)控(kong)制(zhi)(zhi)和监控(kong)，主(zhu)要包(bao)括如(ru)下功(gong)能(neng)： 1） 灵(ling)活的(de)操作(zuo)方式(shi)以(yi)及大的(de)系(xi)统(tong)(tong)控(kong)制(zhi)(zhi)功(gong)能(neng)：系(xi)统(tong)(tong)可以(yi)实现上位(wei)机(ji)操作(zuo)、控(kong)制(zhi)(zhi)柜(ju)触摸(mo)屏操作(zuo)和就(jiu)地(di)手动(dong)操作(zuo)； 2） 报警功(gong)能(neng)：当(dang)压(ya)力(li)(li)超(chao)过工艺要求，可在现场(chang)、就(jiu)地(di)实现高、低限压(ya)力(li)(li)报警； 3） 简单、方便的(de)参(can)(can)数设定：压(ya)力(li)(li)调节阀(fa)的(de)压(ya)力(li)(li)设定值、P、•D等(deng)参(can)(can)数可以(yi)在上位(wei)机(ji)中设定。
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