D‐Velpac® Evaporator
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Your ideal development tool! LCI's D‐Velpac® evaporator system includes a pilot‐ scale thin‐film evaporator with packaged components mounted on a free‐standing support frame. • • • • • • • Sturdy, stainless steel construction Fixed clearance rotor (wiper blade option available upon request) Step‐down sheaves for variable rotor speed Quick disassembly/assembly for ease in cleaning and inspection Counter‐current vapor‐liquid flow operation 150# ANSI Flanges for all process connections Explosion‐proof motor Customize your solution! In addition to the thin film evaporator, the basic D‐ Velpac® system includes a rotor drive, vapor pipe/condenser bonnet, and condenser. Upgrades are also available to add concentrate and distillate tanks, sight glasses, process valves, local instrumentation, and a vacuum pump as needed. Lease or purchase today! LCI's D‐Velpac® system provides an inexpensive means to evaluate thin film evaporation on pilot‐ scale quantities of material for your development or existing products within your own facility. Perfect for Scale‐up! Process data collected from the D‐Velpac® can be used to scale‐up to production‐scale thin‐film evaporators in your existing plant or for new capital project. Samples taken during processing on the D‐ Velpac® can be analyzed and used to validate the process. Pilot‐scale trials enable you to fine‐tune your evaporation/concentration process with minimal product loss and downtime.

D‐Velpac® Thin‐film Evaporator How it works… The feed material is metered into the thin‐film evaporator at a steadily controlled rate by a feed system suitable for the particular feed material. Upon entering the evaporator, the feed is immediately distributed onto the thermal wall by the feed distribution ring. The descending product is maintained in a turbulent, thin liquid film by rotor action. Under these very favorable heat and mass transfer conditions, rapid evaporation occurs. Vapor travels counter‐current to the liquid flow through the open vapor channels of ...