Gas conveying device
The invention provides a gas conveying device, which is used for delivering process gas to a point of use, and comprises a tank car and a connecting tube. A joint extends on the connecting tube, and the joint is connected with the tank car. The gas conveying device also comprises a connecting piece...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides a gas conveying device, which is used for delivering process gas to a point of use, and comprises a tank car and a connecting tube. A joint extends on the connecting tube, and the joint is connected with the tank car. The gas conveying device also comprises a connecting piece and a gas leakage detector. The connecting piece is used for connecting the tank car with the connecting tube, and comprises a first fixed piece, a second fixed piece and two movable pieces, wherein the first fixed piece is connected with the tank car; the second fixed piece is connected with the connecting tube; and the two movable pieces are respectively and detachably fixed between the first fixed piece and the second fixed piece. The gas leakage detector and the first fixed piece are connected to a contact point; when the two movable pieces are fixed between the first fixed piece and the second fixed piece as well as the joint is connected with the tank car, a sealing body is formed among the two movable pieces |
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