| 摘要 |
25 APPARATUS FOR PROCESS FOR COOLING HOT GAS ABSTRACT 5 APPARATUS FOR COOLING HOT GAS COMPRISING: (I) A VERTICAL ELONGATED VESSEL (1) PROVIDED WITH AN INLET (3) AND A OUTLET (4) FOR A FIRST COOLING MEDIUM, A GAS INLET (5) AND A GAS OUTLET (6), HEAT EXCHANGE RUBE (7) FLUIDLY CONNECTING THE INLET (5) AND THE OUTLET (6). (II) A VERTICAL AND CENTRALLY POSITIONED OPEN ENDED DOWNCOMER (8) WHEREIN SAID HEAT EXCHANGE TUBE (7) IS POSITIONED IN THE SPACE (9) BETWEEN THE CLOWNCOMER (8) AND THE VESSEL WALL (10), (III) THE HEAT 10 EXCHANGER TUBE (7) IS MOUNTED AT ITS UPSTREAM END (II) IN A RUBE PLATE (12) WHICH IS PROVIDED WITH MEANS (13) TO SUPPLY A SECOND COOLING MEDIUM TO THE UPSTREAM END (I 1) OF THE HEAT EXCHANGER TUBE (7), MEANS (14) TO DISCHARGE THE USED SECOND COOLING MEDIUM, MEANS (15) TO REDUCE THE TEMPERATURE OF THE USED SECOND COOLING MEDIUM AND MEANS TO RECYCLE THE SECOND COOLING MEDIUM. 15 (FIG, 1)
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