High-Capacity Circulatory Gas Cooled Roots Screw Vacuum System for Phosphorus Chemical Plants

Sep 07, 2026

In pharmaceutical screw drying, skid-mounted vacuum systems provide stable vacuum conditions for low-temperature drying and solvent vapor recovery.

Case Study: Roots Liquid Ring Vacuum System for Pharmaceutical Screw Drying

Project Year & Reference	2024 \| Ref: SHDVW231109-2
System Model	DVBL-550.6121&6110.SFR Roots Liquid Ring Vacuum Unit
Application	Pharmaceutical / vacuum system for screw dryer
Configuration	Two-stage Roots Vacuum Pump + liquid ring backing pump combination with closed-loop circulation

DVBL-550.6121&6110.SFR Roots Liquid Ring Vacuum Unit for Pharmaceutical Drying

Fig 1: DVBL-550.6121&6110.SFR Roots Liquid Ring Vacuum Unit.

System Composition: A skid-mounted package comprising a two-stage Roots Vacuum Pump, liquid ring backing pump, mechanical seals, closed-loop working liquid circulation system, and electrical control panel.
Operating Performance: Provides stable vacuum for low-temperature pharmaceutical powder drying and solvent vapor evacuation.
Key Features: Oil-free vacuum generation, closed-loop liquid circulation for solvent recovery, and skid-mounted design for easy system integration.

Engineering Support & Technical Documentation

DV Vacuum supplies industrial vacuum pumps and engineered skid systems for pharmaceutical, chemical, and vacuum drying applications.

Download documentation from the product catalogs page, or submit your process parameters—including target vacuum level, solvent properties, and drying temperature—for project-specific system sizing.

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