Method and water treatment equipment for determining whether softening resin is failed
A water treatment equipment and technology for softening resin, applied in water treatment parameter control, chemical instruments and methods, water/sludge/sewage treatment, etc. It can solve the problem of difficulty in accurately judging the life of resin, and the inability to visualize the replacement or regeneration of softened water cores. Quantitative reminder, resin softening service life is difficult to judge according to unified quantification, etc., to achieve the effect of rapid and timely prediction of failure time
Inactive Publication Date: 2016-06-15
MIDEA GRP CO LTD
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Problems solved by technology
[0002] At present, softening resin is widely used in the field of water treatment and filtration. At present, cation exchange resin technology is often used to soften water. Although the softening effect is good, stable and reproducible, the replacement of softening resin is often only determined according to the approximate replacement cycle. Resin failure, It is difficult to judge the softening service life of different types of resins according to the unified quantification, and it is also difficult to accurately judge the service life of the resin failure under the condition of different hardness water quality of the same resin. In the long run, the softening resin is likely to have failed. or regeneration cannot visualize quantifiable reminders
At present, the method of determining resin failure is to measure the total concentration of calcium ions and magnesium ions in softened water by EDTA chemical titration, but this method is difficult to achieve in industrial production and household appliances
[0003] However, the current method of determining whether the softening resin has failed still needs to be improved
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[0019] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0020] The present invention is accomplished based on the following findings:
[0021] There is a certain correlation between water hardness and total dissolved solids (total dissolved solids, TDS). Specifically, the larger the TDS value, the smaller the content of calcium ions and magnesium ions in the water, the lower the water hardness, and the higher the water quality. Thus, by monitoring the TDS value of the water treated with the softening resin, information on whether the softening resin has failed can be obtained.
[002...
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The invention puts forward a method and water treatment equipment for determining whether softening resin is failed. According to embodiment of the invention, the method for determining whether softening resin is failed comprises: (1) passing a water sample through the softening resin to obtain a water sample subjected to softening treatment; (2) determining the TDS (total dissolved solid) value of the water sample subjected to softening treatment; and (3) based on the TDS value of the water sample subjected to softening treatment, determining whether the softening resin is failed. According to the embodiment of the invention, the method can effectively determine whether the softening resin is failed.
Description
technical field [0001] The invention belongs to the field of water treatment. Specifically, the invention designs a method and water treatment equipment for determining whether a softening resin is invalid. Background technique [0002] At present, softening resin is widely used in the field of water treatment and filtration. At present, cation exchange resin technology is often used to soften water. Although the softening effect is good, stable and reproducible, the replacement of softening resin is often only determined according to the approximate replacement cycle. Resin failure, It is difficult to judge the softening service life of different types of resins according to the unified quantification, and it is also difficult to accurately judge the service life of the resin failure under the condition of different hardness water quality of the same resin. In the long run, the softening resin is likely to have failed. Or the inability to visualize quantifiable reminders of...
Claims
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IPC IPC(8): C02F1/42G01N33/44G01N33/18
CPCC02F1/42C02F2209/10G01N33/18G01N33/442
Inventor 徐前张辉
Owner MIDEA GRP CO LTD