高纯(chun)气(qi)(qi)(qi)(qi)(qi)(qi)体(ti)控制系统(tong)(tong)(tong)集中供(gong)(gong)(gong)气(qi)(qi)(qi)(qi)(qi)(qi)系统(tong)(tong)(tong)作(zuo)为气(qi)(qi)(qi)(qi)(qi)(qi)体(ti)储存、调压、输送(song)及(ji)供(gong)(gong)(gong)应具(ju)有以下(xia)几个优点：一是集中供(gong)(gong)(gong)气(qi)(qi)(qi)(qi)(qi)(qi)系统(tong)(tong)(tong)将气(qi)(qi)(qi)(qi)(qi)(qi)源（钢瓶(ping)）集中在气(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)储存间(jian)，采用管路系统(tong)(tong)(tong)将气(qi)(qi)(qi)(qi)(qi)(qi)送(song)到所需的(de)工作(zuo)地点，再(zai)将供(gong)(gong)(gong)气(qi)(qi)(qi)(qi)(qi)(qi)终端进(jin)行(xing)分流。因此工作(zuo)地点看(kan)不(bu)到气(qi)(qi)(qi)(qi)(qi)(qi)瓶(ping)，显得规(gui)范(fan)、整洁(jie)。二是结构紧凑、安装方便、操作(zuo)简单；三是集中供(gong)(gong)(gong)气(qi)(qi)(qi)(qi)(qi)(qi)系统(tong)(tong)(tong)更容易进(jin)行(xing)监控。因此采用集中供(gong)(gong)(gong)气(qi)(qi)(qi)(qi)(qi)(qi)系统(tong)(tong)(tong)进(jin)行(xing)供(gong)(gong)(gong)气(qi)(qi)(qi)(qi)(qi)(qi)更安全、更规(gui)范(fan)、更可靠(kao)。
1、系(xi)(xi)(xi)(xi)(xi)统概述 1.1气(qi)路系(xi)(xi)(xi)(xi)(xi)统主要(yao)由气(qi)源切换(huan)系(xi)(xi)(xi)(xi)(xi)统（一级(ji)减压系(xi)(xi)(xi)(xi)(xi)统）、管道及(ji)连接件系(xi)(xi)(xi)(xi)(xi)统、二级(ji)调压系(xi)(xi)(xi)(xi)(xi)统、气(qi)体(ti)过(guo)滤纯化系(xi)(xi)(xi)(xi)(xi)统、气(qi)体(ti)报警系(xi)(xi)(xi)(xi)(xi)统、压力表(biao)、球(qiu)阀等组成(cheng)。对于一些易燃(ran)易爆气(qi)体(ti)，如氢气(qi)、乙炔等，必须(xu)加入气(qi)体(ti)回火防止器，其余惰(duo)性气(qi)体(ti)可根据需要(yao)增加单向阀。 2、设(she)计(ji)(ji)(ji)依(yi)据 2.1甲方提供(gong)的设(she)计(ji)(ji)(ji)需求(qiu)说明 2.2相关专业设(she)计(ji)(ji)(ji)规(gui)范(fan) 《建(jian)筑设(she)计(ji)(ji)(ji)防火规(gui)范(fan)》
R14SL系列小流量捷锐减压(ya)器R14SL 系列膜(mo)片(pian)式(shi)减压(ya)器，其结构(gou)设计和制造选(xuan)用优(you)质的(de)原材(cai)料，输出压(ya)力(li)(li)(li)稳定，特别(bie)适(shi)用于气体(ti)分(fen)析仪器及各(ge)种高(gao)纯气体(ti)。结 构(gou) 特 点 单级式(shi)减压(ya)结构(gou) 膜(mo)片(pian)与母体(ti)采用硬密封形式(shi) 母体(ti)接口螺纹：1/4“ NPT（F） 安全压(ya)力(li)(li)(li)：1.5 倍的(de)Z大输入压(ya)力(li)(li)(li) 输入压(ya)力(li)(li)(li)：500, 3000, 4000 psi 输出压(ya)力(li)(li)(li)：0-25, 0-50
PLC气体管(guan)路控(kong)(kong)制系统(tong)实现(xian)了供气系统(tong)的自动控(kong)(kong)制和监控(kong)(kong)，主要(yao)包括如下功(gong)能： 1） 灵活的操(cao)作(zuo)方式以及大的系统(tong)控(kong)(kong)制功(gong)能：系统(tong)可(ke)以实现(xian)上位(wei)机(ji)操(cao)作(zuo)、控(kong)(kong)制柜触(chu)摸屏操(cao)作(zuo)和就地手动操(cao)作(zuo)； 2） 报警功(gong)能：当压(ya)力(li)(li)超过工艺要(yao)求，可(ke)在现(xian)场(chang)、就地实现(xian)高、低限压(ya)力(li)(li)报警； 3） 简(jian)单、方便的参(can)数设定：压(ya)力(li)(li)调节(jie)阀的压(ya)力(li)(li)设定值、P、•D等参(can)数可(ke)以在上位(wei)机(ji)中设定。
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