Solvent Separation Apparatus and Solvent Separation Method
First Claim
Patent Images
1. A solvent separation apparatus comprising:
- a stripping unit in which a solvent outlet, a polymer outlet and an inlet are formed;
a water tank having a water outlet;
a heat exchange zone;
a mixing zone for mixing water in the water tank with a polymer solution and a piping system, wherein the piping system comprises a first line connecting the water outlet and the mixing zone, a second line connecting the mixing zone and the inlet of the stripping unit; and
a third line configured so that a mixture of a solvent and water can be discharged from the solvent outlet of the stripping unit,wherein in the first line, an oily water outlet and an oily water inlet are formed, the piping system further comprises a fourth line configured so that a part of the water moving through the first line can be discharged through the oily water outlet and then recovered to the first line through the oily water inlet, and the third and fourth lines are configured to cross through via the heat exchange zone such that the water discharged through the oily water outlet can be heat-exchanged with the mixture of the solvent and the water moving through the third line and then recovered to the oily water inlet.
1 Assignment
0 Petitions
Accused Products
Abstract
The present invention relates to a solvent separation apparatus and a solvent separation method, and the solvent separation apparatus and the solvent separation method according to the present application can reduce the used amount of cooling water and the used amount of steam, in a process of separating a polymer and a solvent.
3 Citations
13 Claims
-
1. A solvent separation apparatus comprising:
- a stripping unit in which a solvent outlet, a polymer outlet and an inlet are formed;
a water tank having a water outlet;
a heat exchange zone;
a mixing zone for mixing water in the water tank with a polymer solution and a piping system, wherein the piping system comprises a first line connecting the water outlet and the mixing zone, a second line connecting the mixing zone and the inlet of the stripping unit; and
a third line configured so that a mixture of a solvent and water can be discharged from the solvent outlet of the stripping unit,wherein in the first line, an oily water outlet and an oily water inlet are formed, the piping system further comprises a fourth line configured so that a part of the water moving through the first line can be discharged through the oily water outlet and then recovered to the first line through the oily water inlet, and the third and fourth lines are configured to cross through via the heat exchange zone such that the water discharged through the oily water outlet can be heat-exchanged with the mixture of the solvent and the water moving through the third line and then recovered to the oily water inlet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
- a stripping unit in which a solvent outlet, a polymer outlet and an inlet are formed;
Specification