Description
液体称量
液体部分称量包括烧碱、泡花碱、水、磺酸、非离子A及非离子B等六种物料.其中,烧碱、泡花碱和水共用一个称量斗,磺酸用一个称量斗,非离子A与非离子B共用一个称量斗,供料采用气动球阀实现.传统的称量控制方式采用称量控制仪(如PHILIPS公司的PR1615)实现,而在本系统中,称量控制是由S7 414完成的.
称量控制原理如下:
若检测重量大于快供值,则球阀开;若检测重量大于慢供值且小于快供值,则球阀点动开关;若检测重量大于提前值且小于慢供值,则球阀关闭.
Spirent SmartMetrics LAN-3201B GBIC Mod SMB-600
90 Day Warranty – Free Shipping!
Netcom Spirent Smartbits WN-3405 WAN V.35 6 MBPS
90 Day Warranty – Free Overnight Shipping!
Nortel NT0H20DJ OCI OC-48/STM-16 1310NM SMF
90 Day Warranty – Free Overnight Shipping!
Cisco MGX-RPM Processor Switch Mod BAC5Z2PDAA MGX8800
90 Day Warranty – Free Shipping!
Redback Networks PIM-1K-8T1 8 Port ATM T1 SMS 1800
90 Day Warranty – Free Overnight Shipping!
GN Nettest Win Pharaoh PXU-600 Expansion Chassis
Rad SPD-E1/115/V35 Rate and Interface Converter
Juniper PWR-M10i-M7i-DC-S M7i/M10i DC power supply
Free Overnight Shipping – 90 Day Warranty!!
