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Contact trays for mass transfer columns

A technology of mass transfer and contact tower, which is applied to the valve cover of the contact tray and the field of mist removal device, and can solve problems such as difficult installation

Active Publication Date: 2015-09-23
SULZER MANAGEMENT AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such constructions are difficult to install

Method used

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  • Contact trays for mass transfer columns
  • Contact trays for mass transfer columns
  • Contact trays for mass transfer columns

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0060] see Figure 11 , the tower 10 is arranged on a vertical axis and is constructed in a conventional manner. As noted, the tower 10 comprises a plurality of horizontally arranged contact trays 11 arranged in vertically spaced relation to each other at the height of the tower 10 , and a plurality of downcomers 12 . The downcomer 12 is configured in a conventional manner to communicate one side of the respective contacting tray 11 with the opposite side of the contacting tray 11 directly below so as to direct the liquid stream 13 horizontally through the respective contacting column in a zigzag fashion. plate. In some cases, there may be more than one downcomer per tray 11 .

[0061] see figure 1 with figure 2 , each contacting tray 11 has a tray plate 14, the tray plate 14 has a plurality of orifices 15 for the rising vapor to pass therethrough for mass transfer or heat transfer with the liquid, and for preventing the liquid from passing through the holes. Orifice 15 ...

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PUM

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Abstract

The valve cover has a guide vane extending laterally and downwardly from the central portion towards and in spaced relation to the tray deck for deflecting a majority of the vapor passing upwardly through an orifice downward towards the tray deck. A de-entrainment device with a downwardly angled deflector in vertical alignment with an orifice in the tray deck may be integrated or not with the valve cover below the tray deck.

Description

technical field [0001] The invention relates to a contact tray for a mass transfer column. More specifically, the present invention relates to a valve cover for a contacting tray of a mass transfer column. Still more particularly, the present invention relates to a demisting device for contacting trays of a mass transfer column. Background technique [0002] As is known, various types of mass transfer columns have been constructed having contact trays arranged throughout the height of the column in spaced relation to orifices provided throughout the tray. In most cases, the trays are arranged so that the descending liquid can be led through each tray in a zig-zag fashion from tray to tray over the height of the column via a downcomer on one side of each tray Induction occurs while rising vapor passes through orifices so that liquid and vapor can enter mass transfer or heat transfer operations. In other cases, trays have been fabricated as circular dual-flow trays so that ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D3/16
CPCB01D3/163B01D3/18B01J2219/3221
Inventor M.W.皮林S.T.希尔施M.F.菲舍尔
Owner SULZER MANAGEMENT AG