APPARATUS FOR REMOVING RESIDUAL MONOMERS

Abstract

The present disclosure relates to an apparatus for removing residual monomers and, more specifically, to an apparatus for removing residual monomers, the apparatus being capable of preventing, during the removal of volatile materials by supplying a gas to a flowing distillation material, the formation of dead zones in which the distillation material does not flow or the flow rate thereof decreases. The apparatus for removing residual monomers, of the present disclosure, comprises: a main body capable of supplying a gas to a distillation material accommodated therein; distillation material supply part which is provided at the upper part of the main body and through which the distillation material is injected; a gas inflow part which is provided at the lower part of the main body and through which the gas is injected; a discharge part which is provided at the upper part of the main body, and which discharges volatile materials separated, by means of the gas, from the distillation material; a recovery part, which is provided at the lower part of the main body and recovers the distillation material from which the volatile materials have been removed; a plurality of trays which are provided inside the main body, and each of which has through-holes and a spiral channel; and a downcomer which is provided between the trays, and which is a moving passage through which the distillation material moves downward from the upper part of the main body.

Description

Claims

1. An apparatus for removing residual monomers, comprising: a main body capable of supplying a gas to a distillation material accommodated therein;a distillation material supply part which is provided at the upper part of the main body and through which the distillation material is injected;a gas inflow part which is provided at the lower part of the main body and through which the gas is injected;a discharge part which is provided at the upper part of the main body and discharges volatile materials separated by the gas, from the distillation material;a recovery part, which is provided at the lower part of the main body and recovers the distillation material from which the volatile materials have been removed;a plurality of trays which are provided inside the main body, and each of which has through-holes and a spiral channel; anda downcomer which is provided between the trays, and which is a moving passage through which the distillation material moves downward from an upper part of the main body.

2. The apparatus of claim 1, wherein the tray includes a disk-shaped body which is located in a direction dividing the inside of the main body into upper and lower parts, and a spiral baffle which is located on an upper surface of the body, and rotates and extends from a central portion to an edge of the body to form a spiral channel.

3. The apparatus of claim 2, wherein the downcomer is located at the edge of the tray or the center of the tray, and the position is alternated along a height direction of the main body.

4. The apparatus of claim 2, wherein a width of the spiral channel is constant.

5. The apparatus of claim 1, wherein the supply part is formed in plurality to disperse and inject the distillation material.

6. The apparatus of claim 5, wherein the supply part is spaced at equal intervals along an inner circumference of the main body.

7. The apparatus of claim 1, wherein the plurality of trays are spaced at equal intervals along the height direction of the main body.

8. A method of removing residual monomers through the apparatus for removing residual monomers according to claim 1, the method comprising: injecting the distillation material into the main body;supplying a gas to the distillation material to generate a distillation material from which a gaseous phase containing volatile materials and the volatile materials are removed; andremoving, from the main body, the distillation material from which the gaseous phase and the volatile materials are removed.

9. The method of claim 8, wherein the distillation material includes a polymerization product of suspension polymerization or emulsion polymerization.

10. The method of claim 9, wherein the distillation material includes a distillable vinyl chloride monomer (VCM).