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SPM Tank Series
SPM-310 Blending Tank

Process Description

The objective of the SPM-310 Blending Tank Process is to blend the two paraffins hexane (C6) and heptane (C7) to a specific product composition. The mixture is then pumped from the bottom of the mix tank to another unit for further processing.
 


Instrumentation

The hexane feed flow loop is outfitted with a composition analyzer that measures weight percent hexane and heptane (AI-301 and AI-302 respectively). Feed temperature is measured by TI-401 and flow is controlled by flow controller FIC-201.

The heptane feed flow loop is outfitted with a composition analyzer that measures weight percent hexane and heptane (AI-303 and AI-304 respectively). Feed temperature is measured by TI-402 and flow is controlled by flow controller FIC-202.

Blending Tank level is indicated by level indicator LI-301. Product composition is measured by AI-305 (WT % C6) and AI-306 (WT % C7). Product temperature is indicated by TI-403. The Mix Motor is operated by hand switch HS-303.

Product pumps P-301 and P-302 can be turned on and off with the switches HS-301 and HS-302 respectively. Pump suction (PI-301) and pump discharge (PI-302) pressure indicators are provided. Product flow is indicated by flow indicator FI-401. There is a mixture hand valve HV-401.