SYSTEM FOR REMOVING AIR BUBBLES GENERATED IN AQUEOUS SOLUTION SYSTEM OR WATER SYSTEM UNDER MICROGRAVITY

摘要

PROBLEM TO BE SOLVED: To provide an air bubble removing system capable of surely removing the air bubbles in an aq. soln. or water under conditions of microgravity and suppressing the generation of the air bubbles. ;SOLUTION: This air bubble removing system has two systems; an air bubble detecting and expelling system for detecting and expelling the air bubbles in liquid (aq. soln. or water) and an air bubble pressurizing, dissolving and deaerating system for removing air from the liquid prepd. by dissolving the air bubbles by pressurization. The air bubble detecting and expelling system has an air bubble detector D1 which detects the air bubbles in the liquid, flow passage selector valves V1, V2, V3 which discharge the air bubbles to the outside of the system by changing over the flow passages of the liquid when the air bubbles are detected and a controller which controls these valves. The air bubble pressurizing, dissolving and deaerating system has a high-pressure pump PH which pressurizes and delivers the liquid, an air bubble dissolving chamber 8 which dissolves the air bubbles to the liquid under pressurization, a capillary tube RP and reduced pressure regulating valve V5 which execute the pressure reduction adjustment of the liquid and an on-line deaerating device DG which removes the air from the liquid dissolved with the air bubbles by using a deaerating membrane.;COPYRIGHT: (C)1999,JPO