Patent ID: 11938457
Assignee: LG CHEM, LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 0:
1. An apparatus for preparing an oligomer, the apparatus comprising:
a reactor for oligomerizing a feed stream containing a monomer;
a stirrer inserted into a hole formed in an upper portion of the reactor; and
a solvent transfer line extending inward from a side of the reactor;
wherein the stirrer includes a rotating shaft vertically extending downward from the upper portion of the reactor, and a blade having a conical shape whose vertex is positioned at a lower end of the rotating shaft and an outer diameter of the blade increases from a bottom toward a top,
wherein the solvent transfer line has a plurality of spray nozzles formed in a direction toward the blade,
wherein an outer surface of the blade includes an inclined portion inclined at a predetermined angle from the vertex to the top about the rotating shaft,
wherein the solvent transfer line includes a spray portion in which the plurality of spray nozzles are formed, and
wherein the spray portion has a slope corresponding to the inclined portion and is disposed to be spaced apart from the inclined portion by a predetermined interval.