发明名称 |
Method for removing spent catalyst from a reactor tower and assembly for facilitating same |
摘要 |
A basket is removably inserted in the upper end of each drain tube in those interbed assemblies of a catalytic tower whose catalyst beds are to be removed upwardly by vacuuming. The basket has a grid for a bottom wall, so that catalyst particles thereabove are retained but fluid being treated in the tower can easily pass therethrough. The provision of the baskets makes it possible to downwardly drain spent catalyst from the lower bed sections while simultaneously vacuuming it upwardly from the upper bed sections.
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申请公布号 |
US4642223(A) |
申请公布日期 |
1987.02.10 |
申请号 |
US19850719208 |
申请日期 |
1985.04.02 |
申请人 |
ALBERTA ENERGY COMPANY LTD.;CANADIAN OCIDENTAL PETROLEUM LTD.;ESSO RESOURCES CANADA LIMITED;GULF CANADA LIMITED;HER MAJESTY THE QUEEN IN RIGHT OF THE PROVINCE OF ALBERTA CANADA, AS REPRESENTED BY THE MINISTER OF ENERGY AND NATURAL RESOURCES;HBOG-OIL SANDS LIMITED PARTNERSHIP;PANCANADIAN PETROLEUM LIMITED;PETRO-CANADA INC. |
发明人 |
AL-SAIGH, ABBAS |
分类号 |
B01J8/00;B01J8/04;(IPC1-7):B01J8/04 |
主分类号 |
B01J8/00 |
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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