Patent ID: 7686867
Filing Date: 2010-03-30
Classification: B01D

Abstract:
1. A degasifier, comprising: a decompression chamber including a container and a cover, the container being a tubular body extending along a central axis, and the cover sealing an opening of an end of the tubular body; and a gas-permeable tube that is contained in the decompression chamber in such a manner that a liquid to be degassed that has entered from outside of the decompression chamber flows therethrough and the liquid to be degassed that has flowed therethrough flows out of the decompression chamber, wherein an inner circumference surface in a vicinity of the opening of the container is provided with a first slope that is formed to be tilted at a predetermined angle θ with respect to the central axis and to extend away from the central axis toward an opening side of the container, a portion of the cover that is in contact with the container is provided with a second slope that is formed to be tilted at the predetermined angle θ with respect to the central axis and to extend to approach the central axis toward an inner side of the decompression chamber, with the opening being sealed, and the opening is sealed, with the container and the cover being joined to each other in the state where the first slope and the second slope are in contact with each other.