Inferior sulfolane regenerator

Abstract

The invention relates to an inferior sulfolane regenerator which is a vertical tube structure and comprises a tube upper feed inlet and a lower discharge hole. The feed inlet is provided with an upper distributor. The discharge hole is provided with a lower distributor. The inferior sulfolane regenerator is characterized in that the device is also provided with a silk screen distributor which is positioned between the upper distributor and the lower distributor and used for maintaining ion exchange resin at a relatively fixed position, wherein the silk screen distributor is composed of steel ring and wire mesh coated on the steel ring and the wire mesh is provided with an opening used for filling the ion exchange resin. By the adoption of the device provided by the invention, the ion exchange resin can be conveniently and rapidly regenerated, flow velocity of sulfolane is effectively controlled, impurities in inferior sulfolane is better removed to make main quality indexes of sulfolane return to a level of fresh sulfolane, and it is convenient and rapid to regenerate ineffectual ion exchange resin.

Description

technical field [0001] The invention relates to the technical field of regeneration devices, in particular to an inferior sulfolane regeneration device. Background technique [0002] The resin tower is mainly used in the water treatment industry. Because the resin is regenerated with acid or alkali solution, the tower body and internal devices that are in contact with the resin and regeneration solution during use cannot be made of metal. The usual practice is to line the inner wall of the tower. A layer of rubber plate is attached to separate the metal tower body from the resin and regeneration liquid, while the internal device is made of non-metallic material, that is, multiple small plastic distribution components to ensure the flux of the medium. The resin tower used in the water treatment industry only has an upper distributor and a lower distributor to retain the resin when the medium flows downstream (flows from top to bottom) or countercurrent (flows from bottom to t...

AI Technical Summary

Problems solved by technology

[0003] However, the density of inferior sulfolane (about 1.25g / cm3) is greater than that of resin, so during normal operation, the medium flows downstream. If the flow rate is small, the resin will float on the liquid surface of sulfolane and accumulate in the upper part of the resin tower. , and even above the upper distributor, the effect of ion exchange cannot be achieved; when the flow rate is high, the resin will roll with the flow of sulfolane, and the ion exchange effect is not good

[0004] The existing resin tower inlet and outlet have distribution elements, but cannot effectively fix the ion exchange resin

The equipment uses plastic products such as ABS, which has the following disadvantages: it cannot be used in the environment of organic solvents (such as sulfolane); it cannot be used in the environment of higher temperature (such as 60°C); it cannot be used in the environment of higher pressure (such as 0.6MPa). ; Poor strength, easy to damage; small distribution elements have small flux, and in the case of large-scale use, individual distribution elements are damaged and cause ion exchange resin loss; the number of distribution elements is large, and it is not easy to repair and replace

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