<p>The present invention relates the use of a pump in a loop reactor for the production of polyethylene, as well as a reactor comprising such pump and methods for producing polyolefin by means of such reactor. The pump according to the invention is characterized in that it is an axial flow impeller circulation pump, wherein the impeller comprises 6 blades and wherein the pump is fixed on a spring supported frame. Use of the pump according to the present invention allows for preparation of homogeneous polyethylene products that meet high quality standards from the complicated ethylene polymerization mixtures while at the same time being produced with low energy consumption.</p>
申请公布号
EP2454014(A1)
申请公布日期
2012.05.23
申请号
EP20110736407
申请日期
2011.07.29
申请人
TOTAL PETROCHEMICALS RESEARCH FELUY
发明人
TIMMERMANS, FRANK;OOMS, WOUTER;DEWACHTER, DAAN;FOUARGE, LOUIS