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.
Cisco IGX-UXME-8-T1-DB – IGX-UXME with 1 BC-UAI-8-T1-DB
90 Day Warranty – Free Worldwide Shipping!
ADC Cuda 1×6 DOCSIS spm LC 12000 CMTS C12-DM1X6SPM-SF
90 Day Hardware Warranty – Free Overnight Shipping!
Cisco OC48E/POS-LR-SC 1-Port OC-48/STM16 SONET GSR12000
90 Day Warranty – Free Shipping!
Alcatel OS7-GNI-C12 12-port Gig Eth Mod OS7700 OS7800
Juniper NS-500-SK1 Firewall+VPN Netscreen 500 Advanced
Free Shipping – 90 Day Warranty
Juniper Router T320 T640 Series Control Board CB-L-T-S
90 Day Warranty – Free Overnight Shipping!
Quintum Tenor D3200 E1/T1 PRI Digital Multipath Gateway
90 Day Hardware Warranty – Free Shipping!
PRE-L Cisco ONS 15800 Pre Line Amplifier Red and Blue
30 Day Hardware Warranty – Free Shipping!
