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Patent Searching and Data


Title:
THE STRIPPING COLUMN AND METHOD FOR STRIPPING SMOKE ENTRAPPED BY REGENERATIVE CATALYST
Document Type and Number:
WIPO Patent Application WO/2001/064307
Kind Code:
A1
Abstract:
The present invention relates to the combined vertical column and method for stripping smoke from regenerative catalyst. Said column mainly includes a stripping tube on the central line for removing smoke, a horizontal tube connected to the end of stripping tube, several groups of inner-annular and outer-annular baffles which are in interlaced along vertical direction. Inner-annular and outer-annular baffles are fixed to the stripping tube and interior surface of column respectively, and the stripping tube has a plurality of apertures below the inner-annular baffle. In the operation of the device, the regenerative catalyst enters into said column from its top and pours out through its bottom after removing the smoke by contacting with countercurrent and crosscurrent vapour from the annular vapour tube. Stripped smoke and excessive vapour pass through said apertures from the underside of each inner-annular baffle, then come into the stripping tube, and finally come out from top of said column under the action of air or vapour from horizontal tube. The smoke entrapped by regenerative catalyst may be stripped to minimum by this kind of column.

Inventors:
Weimin LU. (18 Xueyuan Road, Haidian District, Beijing 3, 10008, CN)
Wang, Xieqing (18 Xueyuan Road, Haidian District, Beijing 3, 10008, CN)
Zhong, Xiaoxiang (18 Xueyuan Road, Haidian District, Beijing 3, 10008, CN)
Songnian LI. (18 Xueyuan Road, Haidian District, Beijing 3, 10008, CN)
Application Number:
PCT/CN2001/000145
Publication Date:
September 07, 2001
Filing Date:
February 26, 2001
Export Citation:
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Assignee:
CHINA PETROLEUM AND CHEMICAL CORPORATION (6A Huixin Dong Street, Chaoyand District, Beijing 9, 10002, CN)
RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC (18 Xueyuan Road, Haidian District, Beijing 3, 10008, CN)
International Classes:
B01D3/24; B01D3/38; B01J8/08; B01J8/12; C10G11/18; (IPC1-7): B01D3/38; B01J8/12; C07C7/05
Foreign References:
US5015363A1991-05-14
US5430222A1995-07-04
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (22/F, Great Eagle Centre 23 Harbour Roa, Wanchai Hong Kong, CN)
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