Vacuum pressure controller

Abstract

A vacuum pressure controller for vacuum distillation equipment is controlled to mix a dilution gas with the distillation vapors to control the vacuum pressure to which the distillation equipment is subjected.

1 . A vacuum pressure controller for a vacuum distillation comprising: 
 a manifold having an inlet port for receiving distillation vapor, an intake port for receiving a dilution gas, a chamber for mixing the distillation vapor and the dilution gas, and an outlet port through which the mixed distillation vapor and outlet gas are discharged from the manifold;    a valve controlling the admittance of dilution gas to the intake port of the manifold, the valve being responsive to a sensed pressure.    
   
   
       2 . The system of  claim 1  wherein a pressure transducer is in communication with the manifold.  
   
   
       3 . The improvement of  claim 2  wherein the sensed pressure that the valve is responsive to is the pressure sensed by the pressure transducer.  
   
   
       4 . The system of  claim 1  wherein the controller is disposed within a housing wherein the housing also houses at least part of a vacuum pump.