Title:
METHOD FOR PREPARING ETHYLENE PROPYLENE
Document Type and Number:
WIPO Patent Application WO/2022/057807
Kind Code:
A1
Abstract:
The present invention provides a device for mixing at least two granular materials, comprising a first lifting tube used for loading first particles, and a second lifting tube surrounding and coaxial to the first lifting tube and used for loading second particles, the upper part of said first lifting tube extending beyond the top of said second lifting tube, and at least part of said upper part of the first lifting tube and at least part of said upper part of the second lift tube being located inside a fast bed precipitator, allowing the first and second particles to be transported by means of the first and second lifting tubes to the interior of said fast bed precipitator and mixed.
Inventors:
ZONG HONGYUAN (CN)
LI XIAOHONG (CN)
QI GUOZHEN (CN)
WANG HONGTAO (CN)
YU ZHINAN (CN)
ZHENG YIJUN (CN)
WANG LI (CN)
LI XIAOHONG (CN)
QI GUOZHEN (CN)
WANG HONGTAO (CN)
YU ZHINAN (CN)
ZHENG YIJUN (CN)
WANG LI (CN)
Application Number:
PCT/CN2021/118395
Publication Date:
March 24, 2022
Filing Date:
September 15, 2021
Export Citation:
Assignee:
CHINA PETROLEUM & CHEM CORP (CN)
SHANGHAI RES INST PETROCHEMICAL TECH SINOPEC (CN)
SHANGHAI RES INST PETROCHEMICAL TECH SINOPEC (CN)
International Classes:
C07C11/04; C07C1/20; C07C11/06
Domestic Patent References:
| WO2014005997A1 | 2014-01-09 |
Foreign References:
| CN107540497A | 2018-01-05 | |||
| CN107540503A | 2018-01-05 | |||
| CN101279877A | 2008-10-08 | |||
| CN109694294A | 2019-04-30 | |||
| CN101279875A | 2008-10-08 | |||
| US20080039667A1 | 2008-02-14 |
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (CN)
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