Base for a mass-transfer column

Patent metadata

Field	Value
Publication number	US-11224824-B2
Application number	US-201816496555-A
Country	US
Kind code	B2
Filing date	Mar 15, 2018
Priority date	Mar 22, 2017
Publication date	Jan 18, 2022
Grant date	Jan 18, 2022

Abstract

A tray for a mass-transfer column may allow contact between liquid and gas phases. The tray may include a tray inlet via which the tray is supplied with a liquid phase, a tray outlet via which the liquid phase flows out from the tray, first guide mechanism for guiding the liquid phase where the first guide mechanism forms a first flow path along which the liquid phase flows from the tray inlet to the tray outlet, an inlet for a temperature-control fluid, an outlet for the temperature-control fluid, and second guide mechanism for guiding the temperature-control fluid for heat exchange with the liquid phase. The second guide mechanism forms a second flow path that overlaps with the first flow path and leads from the inlet to the outlet. The temperature-control fluid flows along the second flow path in a direction opposite the flow direction of the liquid phase.

First claim

What is claimed is:

1. A tray for a mass-transfer column, wherein the tray is configured to permit contact between a liquid phase and a gas phase, the tray comprising:
a tray inlet via which the tray is supplied with the liquid phase, the tray inlet comprising a first entrance;
a tray outlet via which the liquid phase runs out of the tray, the tray outlet comprising a first exit;
first guide means for guiding the liquid phase, wherein the first guide means forms a first flow path along which the liquid phase flows from the tray inlet to the tray outlet, wherein the first guide means comprises a spiral guide weir arrangement that in a spiral manner forms the first flow path between the first entrance and the first exit;
an inlet for a temperature-control fluid;
an outlet for the temperature-control fluid; and
second guide means for guiding the temperature-control fluid for heat exchange with the liquid phase, wherein the second guide means forms a second flow path that overlaps with the first flow path and leads from the inlet to the outlet and the temperature-control fluid flows along the second flow path in a direction opposite to a flow direction of the liquid phase.

2. The tray of claim 1 wherein both the inlet for the temperature-control fluid and the outlet for the temperature-control fluid are disposed at a periphery of the tray.

3. The tray of claim 2 wherein the second guide means forms the second flow path in a spiral manner, wherein the second guide means comprises a deflection device that is disposed in a center of the tray, wherein the second guide means forms the second flow path with a first spiral subpath and a second spiral subpath that runs counter to the first spiral subpath.

4. The tray of claim 3 wherein the first spiral subpath leads from the inlet to the deflection device and rotates at least 360°, wherein the second spiral subpath leads from the deflection device to the outlet and rotates at least 360° opposite the rotation of the first spiral subpath.

5. The tray of claim 4 wherein the tray inlet comprises a second entrance, wherein the tray outlet comprises a second exit, wherein the spiral guide weir arrangement forms the first flow path with a first spiral transport path between the first entrance and the first exit and a second spiral transport path, which runs counter to the first spiral transport path, between the second entrance and the second exit, wherein the first spiral transport path leads from the first entrance to the first exit and rotates at least 360° in a first direction of rotation, wherein the second spiral transport path leads from the second entrance to the second exit and rotates at least 360° in a direction of rotation opposite to the first direction of rotation, wherein the second spiral subpath completely overlaps with the first spiral transport path, wherein the first spiral subpath completely overlaps with the second spiral transport path.

6. A tray for a mass-transfer column, wherein the tray is configured to permit contact between a liquid phase and a gas phase, the tray comprising:
a tray inlet via which the tray is supplied with the liquid phase, the tray inlet comprising a first entrance;
a tray outlet via which the liquid phase flows out of the tray, the tray outlet comprising a first exit;
first guide means for guiding the liquid phase, wherein the first guide means forms a first flow path along which the liquid phase flows from the tray inlet to the tray outlet, wherein the first guide means comprises a spiral guide weir arrangement that in a spiral manner forms the first flow path between the first entrance and the first exit; and
a second guide means for guiding a temperature-control fluid for heat exchange with the liquid phase, wherein the second guide means forms a second flow path that overlaps with the first flow path and leads from an inlet to an outlet and the temperature-control fluid flows along the second flow path in a direction opposite to a flow direction of the liquid phase.

7. The tray of claim 6 wherein the tray inlet comprises a second entrance, wherein the tray outlet comprises a second exit, wherein the spiral guide weir arrangement forms the first flow path with a first spiral transport path between the first entrance and the first exit and a second spiral transport path, which runs counter to the first spiral transport path, between the second entrance and the second exit.

8. The tray of claim 7 wherein the spiral guide weir arrangement is configured as a separation weir that separates the first spiral transport path from the second spiral transport path.

9. The tray of claim 7 wherein the first spiral transport path leads from the first entrance to the first exit and rotates at least 360° in a first direction of rotation.

10. The tray of claim 9 wherein the second spiral transport path leads from the second entrance to the second exit and rotates at least 360° in a direction of rotation opposite to the first direction of rotation.

11. The tray of claim 7 wherein a length of the first spiral transport path is equal to a length of the second spiral transport path.

12. The tray of claim 6 wherein the second guide means forms the second flow path in a spiral manner.

13. A mass-transfer column comprising a plurality of superposed trays that are each configured as the tray of claim 6 .

Assignees

• Thyssenkrupp Ind Solutions Ag
• Thyssenkrupp Ag

Inventors

• Minne Pascal
• Honecker Horst

Classifications

• B01D3/324

  Tray constructions · CPC title

• B01D3/166 Primary

  Heating and/or cooling of plates · CPC title

• B01D53/185

  Liquid distributors · CPC title

• B01D3/16 Primary

  Fractionating columns in which vapour bubbles through liquid (packing elements B01J19/30, B01J19/32) · CPC title

• B01D3/22

  with horizontal sieve plates or grids; Construction of sieve plates or grids · CPC title