发明名称 |
Process for concentrating a urea solution and installation for carrying out the process. |
摘要 |
Process for concentrating a urea solution passing as a film along the inside of the tubes (2) of a vertical tube bundle the heat required being substantially generated by condensation of a gas mixture in a area provided around the bundle of tubes, the gas mixture being supplied to the area near one end of the tube bundle (2) and the urea solution to the other end of the tube bundle (2), and being passed substantially upwards through the heating area and it is ensured that the gas mixtureor condensate cannot flow back. Installation for carrying out the process wherein the heating area is divided into compartment by means of horizontal baffles (3) allowing an upwardly directed flow of the gas mixture and the condensate.
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申请公布号 |
EP0266839(A1) |
申请公布日期 |
1988.05.11 |
申请号 |
EP19870202109 |
申请日期 |
1987.11.02 |
申请人 |
STAMICARBON B.V. |
发明人 |
JONCKERS, KEES;BURKS, HENK CHRISTIAAN |
分类号 |
B01D1/22;B01D1/06;C07C67/00;C07C239/00;C07C273/04;C07C273/16;F28F13/04;(IPC1-7):B01D1/06;C07C126/08 |
主分类号 |
B01D1/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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