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1.发明授权
公开(公告)号：EP0619866B1
公开(公告)日：1999-02-17
申请号：EP93900167.3
申请日：1992-12-11
发明人： RHOADES, George, David , GYGER, Roger, Frederick , IZQUIERDO, José, Marco, Antonio, Anaya , FERNANDEZ, Emilio, Avedillo
CPC分类号： C01B32/55
摘要： A method and apparatus to automatically produce blocks of solid CO2 at low pressure. The apparatus includes at least one closed mold coupled to a liquid CO2 conditioner and a CO2 gas recovery system, and a control panel for automatic operation. The method consists in supplying liquid CO2 to this mold at a low pressure in order to fill the mold with CO2 snow of low density during a definite period of time, to then raise the pressure inside the mold to an intermediate pressure by supplying liquid CO2 at this pressure (and at a temperature of approximately -40 DEG C.) to form a dense mass of solid CO2 which after a definite time will block the admission of CO2 to the mold, causing a significant pressure drop that is used to create a signal to automatically close off the supply of liquid CO2 and finalize the production cycle of the block.
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2.发明公开METHOD AND APPARATUS FOR AUTOMATIC PRODUCTION OF BLOCKS OF SOLID CO 2? AT LOW PRESSURE 失效方法和设备在低压下块固体碳自动生产。
公开(公告)号：EP0619866A1
公开(公告)日：1994-10-19
申请号：EP93900167.0
申请日：1992-12-11
发明人： RHOADES, George, David , GYGER, Roger, Frederick , IZQUIERDO, José, Marco, Antonio, Anaya , FERNANDEZ, Emilio, Avedillo
CPC分类号： C01B32/55
摘要： A method and apparatus to automatically produce blocks of solid CO2 at low pressure. The apparatus includes at least one closed mold coupled to a liquid CO2 conditioner and a CO2 gas recovery system, and a control panel for automatic operation. The method consists in supplying liquid CO2 to this mold at a low pressure in order to fill the mold with CO2 snow of low density during a definite period of time, to then raise the pressure inside the mold to an intermediate pressure by supplying liquid CO2 at this pressure (and at a temperature of approximately -40 DEG C.) to form a dense mass of solid CO2 which after a definite time will block the admission of CO2 to the mold, causing a significant pressure drop that is used to create a signal to automatically close off the supply of liquid CO2 and finalize the production cycle of the block.
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