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Regeneration method and system for softening resin and method for regenerating resin through system

A technology of softening resin and regeneration system, applied in the field of water treatment, which can solve the problems of short running time of softener, large consumption of regeneration liquid, frequent regeneration cycle of softening resin, etc.

Inactive Publication Date: 2017-03-29
WUHU TUNGHSU PHOTOELECTRIC SCI & TECHCO +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the existing water station softening process, the softener runs for a short time, the regeneration cycle of the softened resin is frequent, and a large amount of regeneration solution is consumed in the regeneration process of the softened resin

Method used

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  • Regeneration method and system for softening resin and method for regenerating resin through system
  • Regeneration method and system for softening resin and method for regenerating resin through system
  • Regeneration method and system for softening resin and method for regenerating resin through system

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Embodiment Construction

[0042] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0043] In the present invention, unless otherwise specified, the used orientation words such as "upper and lower" usually refer to the definition based on the drawings of the corresponding drawings, and "inner and outer" refer to the relative to the corresponding Inside and outside of the part outline.

[0044] The invention provides a softening resin regeneration method, which comprises a backwashing stage, a drainage stage, a reduction stage and a flushing stage, wherein the backwashing stage is mainly to backwash the softened resin, such as image 3 As shown, the ultra-filtered water enters from the lower part of the softener 10 and is discharged from the up...

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Abstract

The invention discloses a regeneration method and system for softening resin and a method for regenerating resin through the system. The regeneration method for the softening resin comprises the following steps that a backwashing stage is conducted, specifically, the softening resin is subjected to backwashing, ultra-filtering water enters from the lower portion of a softener (10) and is discharged from the upper portion of the softener (10) so that the softening resin can be in a full-float state; a drainage stage is conducted, specifically, the ultra-filtering water is discharged after the backwashing stage, so that the softening resin is sedimentated; a reduction stage is conducted, specifically, regenerated liquid is directly pumped into the softener (10) through a first booster pump (1) to restore the softening resin; and a washing stage is conducted, specifically, the ultra-filtering water is input into the softener (10) and washes the softening resin. According to the technical scheme, by pumping the regenerated liquid into the softener through the first booster pump, the softening resin is restored, the concentration of the regenerated liquid is increased, reduction efficiency of the regenerated liquid for the softening resin is improved, and waste of the regenerated liquid is avoided.

Description

technical field [0001] The invention relates to the field of water treatment, in particular to a method and system for regenerating softened resin and a method for regenerating resin using the system. Background technique [0002] Softening resin is a kind of special resin specially used for softening hard water. Through ion exchange technology, the hardness of water is less than 50mg / L. Taking sodium ion exchange resin as an example, when the raw water containing hardness ions passes through the softening resin layer in the softener, the calcium and magnesium ions in the water can be absorbed by the softening resin, and at the same time release the same amount of sodium ions, with an effective rate of up to 99%. %, when the sodium ion exchange resin fails, in order to restore its exchange capacity, it is necessary to regenerate the softened resin. In the existing water station softening process, the operating time of the softener is short, the regeneration cycle of the sof...

Claims

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Application Information

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IPC IPC(8): C02F1/42B01J49/60
CPCC02F1/42B01J49/00C02F2303/16
Inventor 张大龙李青李兆廷石志强李赫然李震李俊生田海峰解光辉孙庆春
Owner WUHU TUNGHSU PHOTOELECTRIC SCI & TECHCO
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